Question

What is the weakness of polymorphism-based solutions?

a.

The antivirus programs might scan for virus signatures in memory.

b.

The decryption code is dynamic.

c.

The decryption code is not required to run the program.

d.

The decryption code is encrypted using a random key.

Posted under Reverse Engineering

Answer: (a).The antivirus programs might scan for virus signatures in memory. Explanation:The weakness of polymorphism-based solutions is that antivirus programs might scan for virus signatures in memory, which means that if the program is present in memory in its original, unencrypted form, the antivirus program won't have a problem matching the running program with the signature it has on file.

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