Get the Whitepaper called Polymorph 2.0: Advanced Manipulation of Network Traffic in Real Time.
You can download it from the following link: https://packetstormsecurity.com/files/download/160234/polymorph-manipulate.pdf
Source: https://packetstormsecurity.com/files/160234/Polymorph-2.0-Advanced-Manipulation-Of-Network-Traffic-In-Real-Time.html