You can read the complete article at: NSA Backdoor Part 2, BULLDOZER: And, Learn How to DIY a NSA Hardware Implant
This is the excerpt:
This article is the second part of a series on NSA BIOS Backdoor internals. This part focuses on BULLDOZER, a hardware implant acting as malware dropper and wireless communication “hub” for NSA covert operations.
Welcome to the dark corner of BIOS reverse engineering, code injection and various modification techniques only deemed by those immensely curious about BIOS