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📄 chap7-4-10.htm.primary

📁 加密与解密,软件加密保护技术与解决方案,看雪文档!
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<p> <span class="p9"><font face="宋体" color="#000000">你将看到上面许多</font> <font face="Times New Roman" color="#000000">&nbsp;__vbaStrCmp</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">&nbsp;</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">在</font> <font face="Times New Roman" color="#000000">Hex$&nbsp;</font> 
  <font face="宋体" color="#000000">上一行，你将看到：</font> </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaStrCmp(String:&quot;*&quot;,&nbsp;String:&quot;*&quot;)&nbsp;returns&nbsp;DWORD:0</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">呵呵</font> <font face="Times New Roman" color="#000000">...&nbsp;</font> 
  <font face="宋体" color="#000000">比较</font> <font face="Times New Roman" color="#000000">...</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">看到字符</font> <font face="Times New Roman" color="#000000">&quot;*'</font> 
  <font face="宋体" color="#000000">吗，这是乘的表示方法。</font> </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">这里，有点象什么东西相乘结果为</font> <font face="Times New Roman" color="#000000">245...</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">试试</font> <font face="Times New Roman" color="#000000">49*5=245</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">哪里得到</font> <font face="Times New Roman" color="#000000">5</font> 
  <font face="宋体" color="#000000">个</font> <font face="Times New Roman" color="#000000">49</font> 
  <font face="宋体" color="#000000">呢？</font> </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">如果你向上滚动一点，你会看到</font> <font face="Times New Roman" color="#000000">5</font> 
  <font face="宋体" color="#000000">是你输入的序列号的长度，</font> <font face="Times New Roman" color="#000000">49</font> 
  <font face="宋体" color="#000000">是第一个字符的</font> <font face="Times New Roman" color="#000000">Asicii</font> 
  <font face="宋体" color="#000000">的十进制。</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">在</font> <font face="Times New Roman" color="#000000">Hex$</font> 
  <font face="宋体" color="#000000">下面一行，你会看到：</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaStrMove(String:&quot;F5&quot;,...)...</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">这里</font> <font face="Times New Roman" color="#000000">F5</font> 
  <font face="宋体" color="#000000">哪里来？</font> </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">试试转换一下</font> <font face="Times New Roman" color="#000000">245</font> 
  <font face="宋体" color="#000000">到十六进制</font> <font face="Times New Roman" color="#000000">....</font> 
  <font face="宋体" color="#000000">你会得到</font> <font face="Times New Roman" color="#000000">F5!!!!!</font> 
  </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">**</font> <font face="宋体" color="#000000">转换进制可用</font> 
  <font face="Times New Roman" color="#000000">windows</font> <font face="宋体" color="#000000">下的附件中的计算器完成。</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">在这里重复了几次，再没有什么有用的东西了</font> 
  <font face="Times New Roman" color="#000000">...</font> <font face="宋体" color="#000000">要记住刚才的神奇数字</font> 
  <font face="Times New Roman" color="#000000">245</font> <font face="宋体" color="#000000">和</font> 
  <font face="Times New Roman" color="#000000">F5.</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">现在，返回刚才的模式</font> <font face="Times New Roman" color="#000000">&quot;Show&nbsp;Errors&nbsp;and&nbsp;Specific&nbsp;Events&quot;&nbsp;</font> 
  </span></p>
<p> </p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">定位于第二个是</font> <font face="Times New Roman" color="#000000">245</font> 
  <font face="宋体" color="#000000">的</font> <font face="Times New Roman" color="#000000">Hex$</font> 
  <font face="宋体" color="#000000">的：</font> <font face="Times New Roman" color="#000000">Hex$(VARIANT:Long:245)</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">3</font> <font face="宋体" color="#000000">行后，你将看到：</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:2,VARIANT:Integer:1)</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Asc(String:&quot;2&quot;)&nbsp;returns&nbsp;Integer:50</font> 
  </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">点击</font> <font face="Times New Roman" color="#000000">Asc</font> 
  <font face="宋体" color="#000000">这一行，再次选择</font> <font face="Times New Roman" color="#000000">&quot;Show&nbsp;All&nbsp;Events&quot;</font> 
  </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">在</font> <font face="Times New Roman" color="#000000">Asc</font> 
  <font face="宋体" color="#000000">这行下面：</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaVarAdd(VARIANT:Integer:49,VARIANT:Integer:50)...</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">**49</font> 
  <font face="宋体" color="#000000">＋</font> <font face="Times New Roman" color="#000000">50</font> 
  <font face="宋体" color="#000000">；我希望你们还记得</font> <font face="Times New Roman" color="#000000">49</font> 
  <font face="宋体" color="#000000">是字符</font> <font face="Times New Roman" color="#000000">&quot;1&quot;</font> 
  <font face="宋体" color="#000000">的</font> <font face="Times New Roman" color="#000000">Ascii</font> 
  <font face="宋体" color="#000000">的十进制，</font> <font face="Times New Roman" color="#000000">50</font> 
  <font face="宋体" color="#000000">是字符</font> <font face="Times New Roman" color="#000000">&quot;2&quot;</font> 
  <font face="宋体" color="#000000">的</font> <font face="Times New Roman" color="#000000">Ascii</font> 
  <font face="宋体" color="#000000">的十进制</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">下面一行：</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaVarMove(VARIANT:Integer:99,VARIANT:Integer:49)...</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">用</font> <font face="Times New Roman" color="#000000">99</font> 
  <font face="宋体" color="#000000">替代内存的</font> <font face="Times New Roman" color="#000000">49</font> 
  <font face="宋体" color="#000000">；</font> <font face="Times New Roman" color="#000000">99</font> 
  <font face="宋体" color="#000000">是</font> <font face="Times New Roman" color="#000000">49&nbsp;+&nbsp;50</font> 
  <font face="宋体" color="#000000">的和。</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">再次选择</font> <font face="Times New Roman" color="#000000">&quot;Show&nbsp;Errors&nbsp;and&nbsp;Specific&nbsp;Events&quot;&nbsp;</font> 
  <font face="宋体" color="#000000">。</font> </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">OK.</font> <font face="宋体" color="#000000">我们己看了</font> 
  <font face="Times New Roman" color="#000000">CrackMe</font> <font face="宋体" color="#000000">把第</font> 
  <font face="Times New Roman" color="#000000">1</font> <font face="宋体" color="#000000">和第</font> 
  <font face="Times New Roman" color="#000000">2</font> <font face="宋体" color="#000000">个字符转换的过程，它们是把它转换成十进制再相加。</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">我们用同样方法需要继续寻找第</font> <font face="Times New Roman" color="#000000">3</font> 
  <font face="宋体" color="#000000">、</font> <font face="Times New Roman" color="#000000">4</font> 
  <font face="宋体" color="#000000">、</font> <font face="Times New Roman" color="#000000">5</font> 
  <font face="宋体" color="#000000">个字符。</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">要第</font> <font face="Times New Roman" color="#000000">3</font> 
  <font face="宋体" color="#000000">个是</font> <font face="Times New Roman" color="#000000">245</font> 
  <font face="宋体" color="#000000">的</font> <font face="Times New Roman" color="#000000">Hex$</font> 
  <font face="宋体" color="#000000">下面，你会看到：</font> </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:3,VARIANT:Integer:1)</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">它大约在这一行的</font> <font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:2,VARIANT:Integer:1)</font> 
  <font face="宋体" color="#000000">下面</font> <font face="Times New Roman" color="#000000">29</font> 
  <font face="宋体" color="#000000">行处。</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:3,VARIANT:Integer:1)</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">**</font> <font face="宋体" color="#000000">从</font> 
  <font face="Times New Roman" color="#000000">12121</font> <font face="宋体" color="#000000">得到第</font> 
  <font face="Times New Roman" color="#000000">3</font> <font face="宋体" color="#000000">个字符。</font> 
  </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Asc(String:&quot;1&quot;)&nbsp;returns&nbsp;Integer:49</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">点击</font> <font face="Times New Roman" color="#000000">Asc</font> 
  <font face="宋体" color="#000000">这行，并再次选择</font> <font face="Times New Roman" color="#000000">&nbsp;&quot;Show&nbsp;All&nbsp;Events&quot;&nbsp;</font> 
  </span></p>
<p> <span class="p9"><font face="宋体" color="#000000">两行下面：</font> </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaVarAdd(VARIANT:99,&nbsp;VARIANT:Integer:49)...</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">**49</font> 
  <font face="宋体" color="#000000">（</font> <font face="Times New Roman" color="#000000">&quot;1&quot;</font> 
  <font face="宋体" color="#000000">字符十进制）加上</font> <font face="Times New Roman" color="#000000">50</font> 
  <font face="宋体" color="#000000">（</font> <font face="Times New Roman" color="#000000">&quot;2&quot;</font> 
  <font face="宋体" color="#000000">字符十进制）</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">__vbaVarMove(VARIANT:Integer:148,&nbsp;VARIANT:99)...</font> 
  </span></p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">**</font> <font face="宋体" color="#000000">和上面作用一样</font> 
  </span></p>
<p> </p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">再次选择</font> <font face="Times New Roman" color="#000000">&nbsp;&quot;Show&nbsp;Errors&nbsp;and&nbsp;Specific&nbsp;Events&quot;&nbsp;</font> 
  </span></p>
<p> </p>
<p> <span class="p9"><font face="宋体" color="#000000">在第</font> <font face="Times New Roman" color="#000000">4</font> 
  <font face="宋体" color="#000000">个是</font> <font face="Times New Roman" color="#000000">245</font> 
  <font face="宋体" color="#000000">的</font> <font face="Times New Roman" color="#000000">Hex$</font> 
  <font face="宋体" color="#000000">下面，也就是</font> <font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:3,VARIANT:Integer:1)29</font> 
  <font face="宋体" color="#000000">行后，你会看到：</font> </span></p>
<p> </p>
<p> <span class="p9"><font face="Times New Roman" color="#000000">Mid$(String:&quot;12121&quot;,long:4,VARIANT:Integer:1)</font> 
  </span></p>
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