What is Oligomorphic Malware
This antidetection procedure is for the most part considered a poor man's polymorphic engine. It self chooses a decryptor from a set number of predefined choices. This being stated, these predefined choices can be recognized and identified with a fixed set of limited decryptors. In the following diagram, you can see the constraints of an oligomorphic engine and its viability for use in genuine malware dispatches.
What is Polymorphism Malware
What is Metamorphism Malware
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