Real-Time Detection of Fast Flux Service Networks

  • Authors:
  • Alper Caglayan;Mike Toothaker;Dan Drapeau;Dustin Burke;Gerry Eaton

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • CATCH '09 Proceedings of the 2009 Cybersecurity Applications & Technology Conference for Homeland Security
  • Year:
  • 2009

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Abstract

Here we present the first empirical study of detecting and classifying fast flux service networks (FFSNs) in real time. FFSNs exploit a network of compromised machines (zombies) for illegal activities such as spam, phishing and malware delivery using DNS record manipulation techniques. Previous studies have focused on actively monitoring these activities over a large window (days, months) to detect such FFSNs and measure their footprint. In this paper, we present a Fast Flux Monitor (FFM) that can detect and classify a FFSN in the order of minutes using both active and passive DNS monitoring, which complements long term surveillance of FFSNs.