MalwareChapter ObjectivesAfter read

Malware



Chapter Objectives

After reading this chapter and completing the exercises, you will be able to do the following:

■ Understand viruses (worms) and how they propagate, including the Sobig and Sasser types
■ Have a working knowledge of several specific virus outbreaks
■ Understand how virus scanners operate
■ Understand what a Trojan horse is and how it operates
■ Have a working knowledge of several specific Trojan horse attacks
■ Grasp the concept behind the buffer-overflow attack
■ Have a better understanding of spyware and how it enters a system
■ Defend against each of these attacks through sound practices, antivirus software, and antispyware software