WCIS: a prototype for detecting zero-day attacks in web server requests

  • Authors:
  • Melissa Danforth

  • Affiliations:
  • Department of Computer and Electrical Engineering and Computer Science, California State University, Bakersfield

  • Venue:
  • LISA'11 Proceedings of the 25th international conference on Large Installation System Administration
  • Year:
  • 2011

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Abstract

This work presents theWeb Classifying Immune System (WCIS) which is a prototype system to detect zero-day attacks against web servers by examining web server requests. WCIS is intended to work in conjunction with more traditional intrusion detection systems to detect new and emerging threats that are not detected by the traditional IDS database. WCIS is at its core an artificial immune system, but WCIS expands on the concept of artificial immune systems by adding a classifier for web server requests. This gives the system administrator more information about the nature of the detected threat which is not given by a traditional artificial immune system. This prototype system also seeks to improve the efficiency of an artificial immune system by employing back-end, batch processing so that WCIS can detect threats on higher capacity networks. This work shows that WCIS is able to achieve a high rate of accuracy at detecting and classifying attacks against web servers with very few false positives.