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Development of anomalous computer behavior detection method based on probabilistic automaton
(National University of Civil Protection of Ukraine, 2019) Chelak, Viktor; Chelak, E.; Gavrylenko, Svitlana; Semenov, Serhii
This work proposes anomalous computer system behavior detection method based on probabilistic automaton. Main components of the method are automaton structure generation model and its modification procedure. The distinctive feature of the method is the adaptation of the automaton structure generation procedure for detecting attack scenarios of the same type, by restructuring the automaton upon a match and by recalculating the probability of state changes. Proposed method allows to speed up the detection of anomalous computer behavior, as well as to detect anomalies in computer systems, scenario profiles of which only partially match the instances used to generate automaton structure. The obtained results allow us to conclude that the developed meth-od can be used in heuristic analyzers of anomaly detection systems.
Computer system anomalous state detection method based on fuzzy logic
(ФОП Петров В. В., 2019) Chelak, Viktor; Gavrylenko, Svitlana; Chelak, E.
Neural networks as decision-making apparatus in antivirus systems
(Черкаський державний технологічний університет, 2018) Chelak, Viktor; Chelak, E.; Gavrylenko, Svitlana