Halt & Catch Fire:/x00/ --> Since the dawn of computing in the '80s and '90s, hackers—once simply known as developers and coders—have pursued the ultimate bootkit/rootkit subversion method. The approach proposed here represents only a fragment of the broader concept. Can we craft specialized shellcode capable of embedding itself into the OS layer, then tunneling indirectly down into the BIOS, ultimately resurfacing within the kernel?