Friday, 27 November 2009

Computer Software Viruses

Three Types of Virus

Worms - copy themsevlve, wriggle through security holes in network
Trojan Horse - poses as a safe program (key logger)
Virus - replicate themsevlves, contact - USB, internet, downloads, emails, msn

Virus Actions
REpliation
Camouflage
Watching
Delivery

Detection Techniques
Check Sum
Virus Signature
heuristic detection
memory resident monitoring

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