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Stepping-stone is the most popular way used to attack other computers. Some insiders use stepping-stone to launch their attacks pretending to be outsiders. In this paper, we propose a novel algorithm to detect stepping-stone insider attacks through comparing outgoing and incoming connections. We modify the existing packet matching algorithm by introducing sliding window to make the algorithm more...
Most network intruders launch their attacks through stepping-stones to reduce the risks of being discovered. To uncover such intrusions, one prevalent, challenging, and critical way is to compare an incoming connection with outgoing connections to determine if a computer is used as a stepping-stone. In this paper, we present a way by using signal processing technology-correlation coefficient, such...
DDoS attack is one of the major threads of todaypsilas Internet. Defense against spoofed IP addresses is an efficiency way to mitigate the damage caused by DDoS attacks. HCF proposed by Haining Wang et al. can throttle most attacks while the filter being trained entirely. However, due to the growing of applications current network carried, the network trafficpsilas behavior has taken much more changes...
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