bind_stub.rb

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

module MetasploitModule
  CachedSize = 0

  include Msf::Payload::Single
  include Msf::Sessions::CommandShellOptions

  def initialize(info = {})
    super(
      merge_info(
        info,
        'Name' => 'Unix Command Shell, Bind TCP (stub)',
        'Description' => 'Listen for a connection and spawn a command shell (stub only, no payload)',
        'Author' => 'hdm',
        'License' => MSF_LICENSE,
        'Platform' => 'unix',
        'Arch' => ARCH_CMD,
        'Handler' => Msf::Handler::BindTcp,
        'Session' => Msf::Sessions::CommandShell,
        'PayloadType' => 'cmd_bind_stub',
        'RequiredCmd' => '',
        'Payload' => {
          'Offsets' => {},
          'Payload' => ''
        }
      )
    )
  end

  #
  # Generate an empty payload
  #
  def generate(_opts = {})
    ''
  end
end