Transport traffic analysis for abusive infrastructure characterization
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We investigate a promising approach that identifies discriminating features of likely communications involving abusive hosts from per-packet TCP header and timing information. These features identify congestion, flow-control, and other low-level network and system characteristics indicative of an abusive network host. Our approach is IP address and content agnostic, and therefore privacy-preserving to permit wider deployment than previously possible. Importantly, the modeled characteristics are inherent to the poorly connected, under-provisioned, low-end, and overloaded hosts or links typical of abusive infrastructure making them difficult for an adversary to manipulate. In contrast to existing network-centric approaches reliant on flow-level records, fine-grained per-packet features yield superior performance with negligible processing impact. On real-world traces from accessing 40,000 Alexa and 30,000 known-abusive web sites, we achieve a classification accuracy of 94% with a 3% false positive rate using only transport features.
NPS Report NumberNPS-CS-12-005
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Nolan, Le E. (Monterey, California. Naval Postgraduate School, 2012-09);This thesis investigates a novel approach to identifying discriminating features of communications involving abusive hosts. The technique uses per-packet TCP header and timing features to identify congestion, flow-control, ...
Kakavelakis, Georgios; Beverly, Robert; Young, Joel (2011);Botnets are a significant source of abusive messaging (spam, phishing, etc) and other types of malicious traffic. A promising approach to help mitigate botnet-generated traffic is signal analysis of transport-layer (\ie ...
Nichols, Tony (Monterey, California. Naval Postgraduate School, 2013-03);This thesis investigates the ability for recently devised packet-level Transmission Control Protocols (TCP) transport classifiers to discover abusive traffic flows, especially those not found via traditional methods, e.g., ...