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.