Anti-worm immunization of web system based on normal model and BP neural network

  • Authors:
  • Tao Gong;Zixing Cai

  • Affiliations:
  • College of Information Science and Engineering, Central South University, Changsha, Hunan, China;College of Information Science and Engineering, Central South University, Changsha, Hunan, China

  • Venue:
  • ISNN'06 Proceedings of the Third international conference on Advances in Neural Networks - Volume Part III
  • Year:
  • 2006

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Abstract

Pattern recognition and learning of unknown worms have become a bottleneck of network security since a lot of variants of old worms and new worms occurred. To overcome this bottleneck, many traditional approaches were tested but failed. In this paper, a normal model of a web system was proposed to detect all selfs and all non-selfs, especially all unknown worms. The normal model was built on the 2-dimension attributes of space and time of the system. Moreover, a BP neural network was used to design an adaptive learning mechanism of the immunized web system. The non-self learning was utilized to recognize most unknown worms through the trained BP network, which was trained with the feature data in the worm database. Besides, the innate non-self selection was designed to recognize all known worms. Experiments validated effectiveness of this approach on the BP network and the normal model.