102 lines
2.6 KiB
Ruby
102 lines
2.6 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < 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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'Description' => %q{
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Enumerate TCP services via the FTP bounce PORT/LIST
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method.
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},
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'Author' => 'kris katterjohn',
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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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OptInt.new('DELAY', [true, "The delay between connections, per thread, in milliseconds", 0]),
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OptInt.new('JITTER', [true, "The delay jitter factor (maximum value by which to +/- DELAY) in milliseconds.", 0])
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])
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deregister_options('RHOST', 'RPORT')
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end
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# No IPv6 support yet
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def support_ipv6?
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false
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end
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def rhost
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datastore['BOUNCEHOST']
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end
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def rport
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datastore['BOUNCEPORT']
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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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raise Msf::OptionValidateError.new(['PORTS'])
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end
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jitter_value = datastore['JITTER'].to_i
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if jitter_value < 0
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raise Msf::OptionValidateError.new(['JITTER'])
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end
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delay_value = datastore['DELAY'].to_i
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if delay_value < 0
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raise Msf::OptionValidateError.new(['DELAY'])
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end
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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 = sock.get_once(-1, 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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# Add the delay based on JITTER and DELAY if needs be
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add_delay_jitter(delay_value,jitter_value)
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host = (ip.split('.') + [port / 256, port % 256]).join(',')
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resp = send_cmd(["PORT", host])
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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 = send_cmd(["LIST"])
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if resp =~ /^[12]/
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print_good(" 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_error("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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