Georges Bossert

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The purpose of this paper is the modelization and simulation of zombie machines for the evaluation of Network Intrusion Detection Systems (NIDS), used to detect botnets. We propose an automatic method to infer zombies behaviours through the analysis of messages exchanged with their masters. Once computed, a model provides a way to generate realistic and(More)
Network security products, such as NIDS or application firewalls, tend to focus on application level communication flows. However, adding support for new proprietary and often undocumented protocols, implies the reverse engineering of these protocols. Currently, this task is performed manually. Considering the difficulty and time needed for manual reverse(More)
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