An immunological model for detecting bot activities

Md E. Karim; Vir V. Phoha; Md A. Sultan

doi:10.1117/12.819073

19 May 2009 An immunological model for detecting bot activities

Md E. Karim, Vir V. Phoha, Md A. Sultan

Proceedings Volume 7352, Intelligent Sensing, Situation Management, Impact Assessment, and Cyber-Sensing; 73520U (2009) https://doi.org/10.1117/12.819073
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

We develop a hierarchical immunological model to detect bot activities in a computer network. In the proposed model antibody (detector)-antigen (foreign object) reactions are defined using negative selection based approach and negative systems-properties are defined by various temporal as well as non-temporal systems features. Theory of sequential hypothesis testing has been used in the literature for identifying spatial-temporal correlations among malicious remote hosts and among the bots within a botnet. We use it for combining multiple immunocomputing based decisions too. Negative selection based approach defines a self and helps identifying non-selves. We define non-selves with respect to various systems characteristics and then use different combinations of non-selves to design bot detectors. Each detector operates at the client sites of the network under surveillance. A match with any of the detectors suggests presence of a bot. Preliminary results suggest that the proposed model based solutions can improve the identification of bot activities.

Citation Download Citation

Md E. Karim, Vir V. Phoha, and Md A. Sultan "An immunological model for detecting bot activities", Proc. SPIE 7352, Intelligent Sensing, Situation Management, Impact Assessment, and Cyber-Sensing, 73520U (19 May 2009); https://doi.org/10.1117/12.819073

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