Welcome to the forum rento
I have moved your post which to tagged on to a 3 year old archive. Please start a new thread when asking a new question.
Unless your stb is flashed with modified non manufacturers firmware it is unlikely you will be able to do what you are proposing. You need to find someone who can do this to your stb, he will of course probably charge you.
What is it you are proposing to watch using this method as there is very little open these days?