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      <title>BUUCTF hashcat 1</title>
      <link>https://yuexuan521.github.io/zh/posts/buuctf-hashcat-1/</link>
      <pubDate>Mon, 28 Apr 2025 08:30:00 +0000</pubDate>
      <guid>https://yuexuan521.github.io/zh/posts/buuctf-hashcat-1/</guid>
      <description>&lt;p&gt;
&lt;div class=&#34;post-img-view&#34;&gt;
    &lt;a data-fancybox=&#34;gallery&#34; href=&#34;https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185908081.png&#34;&gt;
        &lt;img src=&#34;https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185908081.png&#34; 
             alt=&#34;&#34; 
              
             loading=&#34;lazy&#34;
        /&gt;
    &lt;/a&gt;
&lt;/div&gt;&lt;/p&gt;
&lt;p&gt;&lt;strong&gt;BUUCTF: &lt;a href=&#34;https://buuoj.cn/challenges&#34;target=&#34;_blank&#34; rel=&#34;noopener noreferrer&#34;&gt;https://buuoj.cn/challenges&lt;/a&gt;&lt;/strong&gt;&lt;/p&gt;
&lt;hr&gt;
&lt;p&gt;相关阅读&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://ctf-wiki.org/&#34;target=&#34;_blank&#34; rel=&#34;noopener noreferrer&#34;&gt;CTF Wiki&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://blog.csdn.net/qq_39150356/article/details/135980077&#34;target=&#34;_blank&#34; rel=&#34;noopener noreferrer&#34;&gt;HashCat 恢复Excel、Word、PPT密码保姆教程&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;a href=&#34;https://blog.csdn.net/c868954104/article/details/134599989&#34;target=&#34;_blank&#34; rel=&#34;noopener noreferrer&#34;&gt;buuctf MISC - hashcat&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;
&lt;div class=&#34;post-img-view&#34;&gt;
    &lt;a data-fancybox=&#34;gallery&#34; href=&#34;https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185910079.png&#34;&gt;
        &lt;img src=&#34;https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185910079.png&#34; 
             alt=&#34;在这里插入图片描述&#34; 
              
             loading=&#34;lazy&#34;
        /&gt;
    &lt;/a&gt;
&lt;/div&gt;&lt;/p&gt;
&lt;h3 id=&#34;题目描述&#34;&gt;题目描述：&lt;/h3&gt;
&lt;p&gt;得到的 flag 请包上 flag{} 提交。&lt;/p&gt;
&lt;h3 id=&#34;密文&#34;&gt;密文：&lt;/h3&gt;
&lt;p&gt;下载附件，解压得到What kind of document is this_文件。&lt;/p&gt;</description>
      <content:encoded><![CDATA[<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185908081.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185908081.png" 
             alt="" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p><strong>BUUCTF: <a href="https://buuoj.cn/challenges"target="_blank" rel="noopener noreferrer">https://buuoj.cn/challenges</a></strong></p>
<hr>
<p>相关阅读</p>
<p><a href="https://ctf-wiki.org/"target="_blank" rel="noopener noreferrer">CTF Wiki</a></p>
<p><a href="https://blog.csdn.net/qq_39150356/article/details/135980077"target="_blank" rel="noopener noreferrer">HashCat 恢复Excel、Word、PPT密码保姆教程</a></p>
<p><a href="https://blog.csdn.net/c868954104/article/details/134599989"target="_blank" rel="noopener noreferrer">buuctf MISC - hashcat</a></p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185910079.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185910079.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<h3 id="题目描述">题目描述：</h3>
<p>得到的 flag 请包上 flag{} 提交。</p>
<h3 id="密文">密文：</h3>
<p>下载附件，解压得到What kind of document is this_文件。</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185911867.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185911867.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<hr>
<h3 id="解题思路">解题思路：</h3>
<p>1、文件名提示，需要确定文件类型。在010 Editor中打开，根据文件头 <code>D0 CF 11 E0</code> 确定是MS Office文件。</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="n">MS</span> <span class="n">Office文件</span>      <span class="n">文件头</span><span class="err">：</span><span class="n">D0</span> <span class="n">CF</span> <span class="mi">11</span> <span class="n">E0</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185912963.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185912963.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>但是MS Office文件包括MS Word/Excel/PPT三种文件，随便尝试一种文件，发现有密码。</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185914958.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185914958.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>2、结合题目 <code>hashcat</code> ，我们使用HashCat恢复MS Office文件（Excel、Word、PPT）密码。</p>
<p>首先，使用office2john.py获取文件的hash值。</p>
<p>office2john.py文件下载地址： <a href="https://github.com/magnumripper/JohnTheRipper/blob/bleeding-jumbo/run/office2john.py"target="_blank" rel="noopener noreferrer">https://github.com/magnumripper/JohnTheRipper/blob/bleeding-jumbo/run/office2john.py</a></p>
<p>CMD中打开，命令如下：</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="n">python</span> <span class="n">office2john</span><span class="o">.</span><span class="n">py</span> <span class="s2">&#34;What kind of document is this_&#34;</span> <span class="o">&gt;</span> <span class="nb">hash</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185916686.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185916686.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>得到文件的hash值如下：</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185917937.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185917937.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>去掉文件名 <code>What kind of document is this_:</code> ，保留 <code>$office$</code> 及之后的数据。（从 <code>$office$*2010*</code> 可以得到该文件使用的是 <strong>Office2010</strong> 版本，后面要用到！）</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="err">$</span><span class="n">office</span><span class="err">$</span><span class="o">*</span><span class="mi">2010</span><span class="o">*</span><span class="mi">100000</span><span class="o">*</span><span class="mi">128</span><span class="o">*</span><span class="mi">16</span><span class="o">*</span><span class="mi">265</span><span class="n">c4784621f00ddb85cc3a7227dade7</span><span class="o">*</span><span class="n">f0cc4179b2fcc2a2c5fa417566806249</span><span class="o">*</span><span class="n">b5ad5b66c0b84ba6e5d01f27ad8cffbdb409a4eddc4a87cd4dfbc46ad60160c9</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185919283.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185919283.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>最后，使用HashCat根据hash值去解析密码。</p>
<p>HashCat官方网站： <a href="https://hashcat.net/hashcat/"target="_blank" rel="noopener noreferrer">https://hashcat.net/hashcat/</a></p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185920623.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185920623.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>将hash文件放到hashcat文件夹下，CMD打开，命令如下：</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="n">hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9500</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span> <span class="o">-</span><span class="n">O</span>
</span></span></code></pre></td></tr></table>
</div>
</div><blockquote>
<p>破解 Office 加密 Offcie 版本对应哈希类型
Office97-03(MD5+RC4,oldoffice$0,oldoffice$1)：-m 9700
Office97-03($0/$1, MD5 + RC4, collider #1)：-m 9710
Office97-03($0/$1, MD5 + RC4, collider #2)：-m 9720
Office97-03($3/$4, SHA1 + RC4)：-m 9800
Office97-03($3, SHA1 + RC4, collider #1)：-m9810
Office97-03($3, SHA1 + RC4, collider #2)：-m9820
Office2007：-m 9400
<strong>Office2010：-m 9500</strong>
Office2013：-m 9600</p>
</blockquote>
<blockquote>
<p>Hashcat 中自定义破解含义值：
?l = abcdefghijklmnopqrstuvwxyz，代表小写字母。
?u = ABCDEFGHIJKLMNOPQRSTUVWXYZ，代表大写字母。
?d = 0123456789，代表数字。
?s = !&quot;#$%&amp;&rsquo;()*+,-./:;&lt;=&gt;?@[]^_`{|}~，代表特殊字符。
?a = ?l?u?d?s，大小写数字及特殊字符的组合。
?b = 0x00 - 0xff</p>
</blockquote>
<p>出现下图所示内容，表示成功运行。

<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185922895.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185922895.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>在上条命令的后面加上 <code>--show</code> 参数，显示密码为 <code>9919</code> 。</p>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="n">hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9500</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span> <span class="o">-</span><span class="n">O</span> <span class="o">--</span><span class="n">show</span>
</span></span></code></pre></td></tr></table>
</div>
</div><p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185925153.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185925153.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>3、使用密码尝试Excel、Word、PPT文件，直到后缀为 <code>.ppt</code> 的PPT文件，才正常显示内容。</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185926521.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185926521.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185927923.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185927923.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185928981.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185928981.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>存在7张空白的幻灯片，全选之后，到“设计”选项卡，选择“设置背景格式”，选择黑色纯色填充。</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185931258.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185931258.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<p>在第七张幻灯片中，得到flag。</p>
<p>
<div class="post-img-view">
    <a data-fancybox="gallery" href="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185933091.png">
        <img src="https://cdn.jsdelivr.net/gh/yuexuan521/image/20251228185933091.png" 
             alt="在这里插入图片描述" 
              
             loading="lazy"
        />
    </a>
</div></p>
<h3 id="flag">flag：</h3>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt">1
</span></code></pre></td>
<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">flag<span class="o">{</span>okYOUWIN<span class="o">}</span>
</span></span></code></pre></td></tr></table>
</div>
</div><h3 id="hashcat常用实例">HashCat常用实例</h3>
<div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-python" data-lang="python"><span class="line"><span class="cl"><span class="mi">8</span> <span class="n">位数字破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat64</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span> <span class="err">–</span><span class="n">O</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">1</span><span class="o">-</span><span class="mi">8</span> <span class="n">位数字破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="o">--</span><span class="n">increment</span> <span class="o">--</span><span class="n">increment</span><span class="o">-</span><span class="nb">min</span> <span class="mi">1</span><span class="err">–</span><span class="n">increment</span><span class="o">-</span><span class="nb">max</span> <span class="mi">8</span> <span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span><span class="err">?</span><span class="n">d</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">1</span> <span class="n">到</span> <span class="mi">8</span> <span class="n">位小写字母破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="o">--</span><span class="n">increment</span> <span class="o">--</span><span class="n">increment</span><span class="o">-</span><span class="nb">min</span> <span class="mi">1</span><span class="err">–</span><span class="n">increment</span><span class="o">-</span><span class="nb">max</span> <span class="mi">8</span> <span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">8</span> <span class="n">位小写字母破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span><span class="err">?</span><span class="n">l</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span> <span class="err">–</span><span class="n">O</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">1</span><span class="o">-</span><span class="mi">8</span> <span class="n">位大写字母破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="o">--</span><span class="n">increment</span> <span class="o">--</span><span class="n">increment</span><span class="o">-</span><span class="nb">min</span> <span class="mi">1</span><span class="err">–</span><span class="n">increment</span><span class="o">-</span><span class="nb">max</span> <span class="mi">8</span> <span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">8</span> <span class="n">位大写字母破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span><span class="err">?</span><span class="n">u</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span> <span class="err">–</span><span class="n">O</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="mi">5</span> <span class="n">位小写</span><span class="o">+</span><span class="n">大写</span><span class="o">+</span><span class="n">数字</span><span class="o">+</span><span class="n">特殊字符破解</span>
</span></span><span class="line"><span class="cl">
</span></span><span class="line"><span class="cl"><span class="n">Hashcat</span> <span class="o">-</span><span class="n">m</span> <span class="mi">9700</span> <span class="nb">hash</span> <span class="o">-</span><span class="n">a</span> <span class="mi">3</span> <span class="err">?</span><span class="n">b</span><span class="err">?</span><span class="n">b</span><span class="err">?</span><span class="n">b</span><span class="err">?</span><span class="n">b</span><span class="err">?</span><span class="n">b</span> <span class="o">-</span><span class="n">w</span> <span class="mi">3</span>
</span></span></code></pre></td></tr></table>
</div>
</div><blockquote>
<p>破解时采取先易后难的原则，建议如下：</p>
<ul>
<li>
<p>使用 1-8 位数字进行破解。</p>
</li>
<li>
<p>使用 1-8 位小写字母进行破解。</p>
</li>
<li>
<p>使用 1-8 位大写字母进行破解。</p>
</li>
<li>
<p>使用 1-8位混合大小写+数字+特殊字符进行破解。</p>
</li>
<li>
<p>利用收集的公开字典进行破解。</p>
</li>
</ul>
</blockquote>
]]></content:encoded>
    </item>
  </channel>
</rss>
