Which of the following terms is used more generally for describing concealment routines in a malicious program?

A. virus

B. worm

C. trojan horse

D. spyware

E. rootkits

F. backdoor

G. None of the choices.

Explanation:

Rootkits can prevent a malicious process from being reported in the process table, or keep its files from being read. Originally, a rootkit was a set of tools installed by a human attacker on a Unix system where the attacker had gained administrator access. Today, the term is used more generally for concealment routines in a malicious program.