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Stepping-stone attacks in network intrusion detection are attackers who use a sequence of stepping-stone hosts to initiate attacks in order to hide their origins. The goal of this paper is to find algorithms to correctly detect the attacks and have the ability to tolerate the clock skew or/and chaff while exhibiting low time complexity. We propose three novel algorithms for detecting correlation and...
Stepping-stone attack in network intrusion detection are attackers who use a sequence of intermediate (or so called stepping-stone) hosts to initiate attacks in order to hide their origins. We investigate a number of dynamic programming based pattern recognition approaches and our novel algorithm for detecting correlation and similarity of two connections not only into and out of a single stepping...
We consider scheduling packet transmissions in a network so that the efficiency of stepping-stone attacks can be severely restrained with the help of stepping-stone monitors. We allow the attacker to encrypt and pad the packets, perturb the timing of packets, and insert chaff packets, but the timing perturbation is subject to a maximum delay constraint. We show that if we randomize packet transmissions,...
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