Add skeleton for VNC lgoinscanner

Add skeleton and specs for the VNC Loginscanner

MSP-9686

lib/metasploit/framework/login_scanner/vnc.rb

@@ -0,0 +1,21 @@
+require 'metasploit/framework/tcp/client'
+require 'metasploit/framework/login_scanner/base'
+require 'metasploit/framework/login_scanner/rex_socket'
+
+module Metasploit
+  module Framework
+    module LoginScanner
+      # This is the LoginScanner class for dealing with the VNC RFB protocol.
+      # It is responsible for taking a single target, and a list of credentials
+      # and attempting them. It then saves the results.
+      class VNC
+        include Metasploit::Framework::LoginScanner::Base
+        include Metasploit::Framework::LoginScanner::RexSocket
+        include Metasploit::Framework::Tcp::Client
+
+
+      end
+
+    end
+  end
+end

spec/lib/metasploit/framework/login_scanner/vnc_spec.rb

@@ -0,0 +1,11 @@
+require 'spec_helper'
+require 'metasploit/framework/login_scanner/vnc'
+
+describe Metasploit::Framework::LoginScanner::VNC do
+
+  subject(:login_scanner) { described_class.new }
+
+  it_behaves_like 'Metasploit::Framework::LoginScanner::Base'
+  it_behaves_like 'Metasploit::Framework::LoginScanner::RexSocket'
+
+end