Match Each of the Following Terms to Its Definition

Match each of the following terms to its definition:
I. worm
II. Trojan horse
III. multipartite virus
IV. packet sniffer
V. polymorphic virus
A. a program that examines the contents of all network traffic
B. attempts to travel between systems through network connections to spread an infection
C. a virus that changes its own code to avoid detection
D. attempts to infect computers through multiple methods
E. appears to be useful but does something malicious in the background