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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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module MetasploitModule
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  CachedSize = 8
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  include Msf::Payload::Single
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  include Msf::Sessions::CommandShellOptions
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  def initialize(info = {})
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    super(
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      merge_info(
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        info,
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        'Name' => 'Windows Command, Generic Command Execution',
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        'Description' => 'Executes the supplied command',
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        'Author' => 'juan vazquez',
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        'License' => MSF_LICENSE,
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        'Platform' => 'win',
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        'Arch' => ARCH_CMD,
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        'Handler' => Msf::Handler::None,
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        'Session' => Msf::Sessions::CommandShell,
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        'PayloadType' => 'cmd',
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        'RequiredCmd' => 'generic',
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        'Payload' => {
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          'Offsets' => {},
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          'Payload' => ''
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        }
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      )
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    )
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    register_options(
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      [
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        OptString.new('CMD', [ true, 'The command string to execute' ]),
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      ]
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    )
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  end
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  #
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  # Constructs the payload
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  #
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  def generate(_opts = {})
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    return super + command_string
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  end
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  #
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  # Returns the command string to use for execution
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  #
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  def command_string
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    return datastore['CMD'] || ''
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  end
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end
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