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Stepping-stone attacks are often used by network intruders to hide their identities. In a stepping-stone attack, attacking commands are sent indirectly to the victim through a chain of compromised hosts acting as "stepping stones." In defending against such attacks, it is necessary to detect stepping-stone connections at the compromised hosts. The use of encrypted connections by the attacker...
Malicious use of anonymity techniques makes network attackers difficult to track. The problem is even worse in stepping-stone attacks, where multiple anonymous connections are linked to form an intrusion path. The tracking of a stepping-stone attacker requires the detection of all the connection pairs on the intrusion path. In this paper, we consider the problem of identifying a stepping-stone connection...
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