91 lines
2.2 KiB
Ruby
91 lines
2.2 KiB
Ruby
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##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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# Order is important here
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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include Msf::Exploit::Remote::Ftp
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def initialize
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super(
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'Name' => 'FTP Bounce Port Scanner',
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'Version' => '$Revision$',
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'Description' => %q{
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Enumerate TCP services via the FTP bounce PORT/LIST
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method, which can still come in handy every once in
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a while (I know of a server that still allows this
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just fine...).
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},
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'Author' => 'Kris Katterjohn <katterjohn[at]gmail.com>',
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'License' => MSF_LICENSE
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)
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register_options([
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OptString.new('PORTS', [true, "Ports to scan (e.g. 22-25,80,110-900)", "1-10000"]),
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OptAddress.new('BOUNCEHOST', [true, "FTP relay host"]),
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OptPort.new('BOUNCEPORT', [true, "FTP relay port", 21])
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])
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deregister_options('RHOST', 'RPORT')
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end
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def run_host(ip)
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ports = Rex::Socket.portspec_crack(datastore['PORTS'])
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if ports.empty?
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print_status("Error: No valid ports specified")
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return
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end
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datastore['RHOST'] = datastore['BOUNCEHOST']
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datastore['RPORT'] = datastore['BOUNCEPORT']
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return if not connect_login
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ports.each do |port|
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# Clear out the receive buffer since we're heavily dependent
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# on the response codes. We need to do this between every
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# port scan attempt unfortunately.
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while true
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r = self.sock.get(0.25)
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break if not r or r.empty?
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end
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begin
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host = (ip.split('.') + [port / 256, port % 256]).join(',')
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resp = raw_send_recv("PORT #{host}\r\n")
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if resp =~ /^5/
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#print_error("Got error from PORT to #{ip}:#{port}")
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next
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elsif not resp
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next
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end
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resp = raw_send_recv("LIST\r\n")
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if resp =~ /^[12]/
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print_status(" TCP OPEN #{ip}:#{port}")
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report_service(:host => ip, :port => port)
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end
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rescue ::Exception
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print_status("Unknown error: #{$!}")
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end
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end
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end
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end
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