Detection based on features is most popular way to prevent malware these days. Current feature abstracting and matching methods are susceptible to obfuscation techniques, and cannot deal with the variants which are emerging quickly.
This paper proposes a malware feature extracting method based on its behaviors. This method can abstract the critical behaviors of malware and the dependencies between them through dynamic analysis, and generate the features to defeat malware obfuscations considering semantic irrelevancy and semantic equivalency to improve the describing capabilities of the malware features. This paper also designs a corresponding detecting method based on these features. The experiment results show that our method is more resilient to malware obfuscation techniques, especially for real world malware
variants.
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