Toward an Automatic, Online Behavioral Malware Classification System

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Provided by: Drexel University
Topic: Security
Format: PDF
Malware authors are increasingly using specialized toolkits and obfuscation techniques to modify existing malware and avoid detection by traditional antivirus software. The resulting proliferation of obfuscated malware variants poses a challenge to antivirus vendors, who must create signatures to detect each new malware variant. Although the many variants in a malware family have different static signatures, they share characteristic behavioral patterns resulting from their common function and heritage. The authors describe an automatic classification system that can be trained to accurately identify new variants within known malware families, using observed similarities in behavioral features extracted from sensors monitoring live computers hosts. They evaluate the accuracy of the classifier on a live testbed under a heavy computational load.
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