Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

Meta¬morphism Related Publications

1 Advanced Polymorphic Techniques

Authors: Philippe Beaucamps

Abstract:

Nowadays viruses use polymorphic techniques to mutate their code on each replication, thus evading detection by antiviruses. However detection by emulation can defeat simple polymorphism: thus metamorphic techniques are used which thoroughly change the viral code, even after decryption. We briefly detail this evolution of virus protection techniques against detection and then study the METAPHOR virus, today's most advanced metamorphic virus.

Keywords: Polymorphism, Metaphor, obfuscation, Computer virus, Viral mutation, Meta¬morphism, Virus history, Viral genetic techniques

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