Researchers Create Undetectable Rootkit

Security researchers have developed a new type of malicious rootkit software that hides itself in an obscure part of a
computer's chip, undetected by today's antivirus products.

Called a System Management Mode (SMM) rootkit, the
runs in a protected part of a computer's memory software that can be locked and rendered invisible to the operating system, but which can give attackers a picture of what's happening in a computer's memory. ...