Intrusion Detection with Support Vector Machines and Generative Models

  • Authors:
  • John S. Baras;Maben Rabi

  • Affiliations:
  • -;-

  • Venue:
  • ISC '02 Proceedings of the 5th International Conference on Information Security
  • Year:
  • 2002

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Abstract

This paper addresses the taskof detecting intrusions in the form of malicious attacks on programs running on a host computer system by inspecting the trace of system calls made by these programs. We use 'attack-tree' type generative models for such intrusions to select features that are used by a Support Vector Machine Classifier. Our approach combines the ability of an HMM generative model to handle variable-length strings, i.e. the traces, and the non-asymptotic nature of Support Vector Machines that permits them to workw ell with small training sets.