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A sense of self for Unix processes

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4 Author(s)
Forrest, S. ; Dept. of Comput. Sci., New Mexico Univ., Albuquerque, NM, USA ; Hofmeyr, S.A. ; Somayaji, A. ; Longstaff, T.A.

A method for anomaly detection is introduced in which “normal” is defined by short-range correlations in a process' system calls. Initial experiments suggest that the definition is stable during normal behaviour for standard UNIX programs. Further; it is able to detect several common intrusions involving sendmail and 1pr. This work is part of a research program aimed at building computer security systems that incorporate the mechanisms and algorithms used by natural immune systems

Published in:

Security and Privacy, 1996. Proceedings., 1996 IEEE Symposium on

Date of Conference:

6-8 May 1996