metasploit-framework/modules/auxiliary/fuzzers/smb/smb_tree_connect.rb

81 lines
1.9 KiB
Ruby

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
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
))
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