Monotonic models for real-time dynamic malware detectionDownload PDF

12 Feb 2018 (modified: 04 Jun 2018)ICLR 2018 Workshop SubmissionReaders: Everyone
  • Keywords: Deep learning, Applications, Malware detection
  • TL;DR: We propose to modify the dynamic detection techniques by making them monotonic in the sense that the addition of new lines into the log may only increase the probability of the file being found malicious.
  • Abstract: In dynamic malware analysis, programs are classified as malware or benign based on their execution logs. We propose a concept of applying monotonic classification models to the analysis process, to make the trained model's predictions consistent over execution time and provably stable to the injection of any noise or `benign-looking' activity into the program's behavior. The predictions of such models change monotonically through the log in the sense that the addition of new lines into the log may only increase the probability of the file being found malicious, which make them suitable for real-time classification on a user's machine. We evaluate monotonic neural network models based on the work by Chistyakovet al. (2017) and demonstrate that they provide stable and interpretable results.
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