Lesson 6 Malware

Table of Contents
“License for Use” Information 2
Contributors 4
6.0 Introduction .5
6.1 Viruses (Virii) .5
6.1.1 Introduction .5
6.1.2 Description .5
6.1.2.1 Boot Sector Viruses 5
6.1.2.2 The Executable File Virus .5.
6.1.2.3 The Terminate and Stay Resident (TSR) Virus .6
6.1.2.4 The Polymorphic Virus .6.
6.1.2.5 The Macro Virus .6.
6.2 Worms .7
6.2.1 Introduction 7
6.2.2 Description .7
6.3 Trojans and Spyware 7
6.3.1 Introduction 7
6.3.2 Description .7
6.4 Rootkits and Backdoors 8.
6.4.1 Introduction 8
6.4.2 Description 8
6.5 Logicbombs and Timebombs 8.
6.5.1 Introduction 8
6.5.2 Description 9
6.6 Countermeasures 9
6.6.1 Introduction 9
6.6.2 Anti-Virus .9
6.6.3 NIDS 9
6.6.4 HIDS .1 0
6.6.5 Firewalls .1 0
6.6.6 Sandboxes .1 0
6.7 Good Safety Advice .1.1
Further Reading .1 2