Estudio Sobre Virus Informáticos

Norman Book on Computer Viruses

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Last revised February 2003.

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Contents
Contents........................................................................................................v Introduction .................................................................................................7 What is a virus? ...........................................................................................8 What is a program ................................................................................ 8 What is residency................................................................................. 9 Malware classes overview.................................................................... 9 Virus ..................................................................................................... 9 Worm.................................................................................................. 10 Trojans, backdoors,security risks ...................................................... 10 Denial-of-service tools, nukers, mail bombers .................................. 10 Hacking tools, virus creation kits....................................................... 11 Bugs, logic bombs, time bombs ......................................................... 12 Hoax................................................................................................... 12 Virus/worm types overview ....................................................................12 Boot virus ........................................................................................... 14 Multipartite virus................................................................................ 14 Binary file virus......................................................................................14 Script file viruses ....................................................................................17 Macro virus .............................................................................................19 How it works ...................................................................................... 19 Why it’s such a...