Encrypted worms and polymorphic worms

1 Recall that a worm is a type of malware similar to a virus except that a worm propagates by itself.

a. Write your own worm, where the “malicious” activity is completely harmless.

b. Explain how your worm could be modified to do something malicious.

2 Virus writers use encryption, polymorphism, and metamorphism to evade signature detection.

a. What are the significant differences between encrypted worms and polymorphic worms?

b. What are the significant differences between polymorphic worms and metamorphic worms?

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