74 lines
1.9 KiB
Ruby
74 lines
1.9 KiB
Ruby
##
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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include Msf::Auxiliary::Scanner
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include Msf::Auxiliary::Report
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def initialize
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super(
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'Name' => 'SSH Version Scanner',
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'Description' => 'Detect SSH Version.',
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'References' =>
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[
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[ 'URL', 'http://en.wikipedia.org/wiki/SecureShell' ],
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],
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'Author' => [ 'Daniel van Eeden <metasploit[at]myname.nl>' ],
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'License' => MSF_LICENSE
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)
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register_options(
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[
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Opt::RPORT(22),
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OptInt.new('TIMEOUT', [true, 'Timeout for the SSH probe', 30])
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], self.class)
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end
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def to
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return 30 if datastore['TIMEOUT'].to_i.zero?
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datastore['TIMEOUT'].to_i
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end
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def run_host(target_host)
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begin
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::Timeout.timeout(to) do
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connect
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resp = sock.get_once(-1, 5)
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if (resp and resp =~ /SSH/)
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ver,msg = (resp.split(/[\r\n]+/))
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# Check to see if this is Kippo, which sends a premature
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# key init exchange right on top of the SSH version without
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# waiting for the required client identification string.
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if msg and msg.size >= 5
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extra = msg.unpack("NCCA*") # sz, pad_sz, code, data
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if (extra.last.size+2 == extra[0]) and extra[2] == 20
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ver << " (Kippo Honeypot)"
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end
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end
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print_status("#{target_host}:#{rport}, SSH server version: #{ver}")
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report_service(:host => rhost, :port => rport, :name => "ssh", :proto => "tcp", :info => ver)
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else
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print_error("#{target_host}:#{rport}, SSH server version detection failed!")
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end
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disconnect
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end
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rescue Timeout::Error
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print_error("#{target_host}:#{rport}, Server timed out after #{to} seconds. Skipping.")
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end
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end
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end
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