A framework for detection and measurement of phishing attacks

  • Authors:
  • Sujata Garera;Niels Provos;Monica Chew;Aviel D. Rubin

  • Affiliations:
  • Johns Hopkins University, Baltimore, MD;Google Inc., Mountain View, CA;Google Inc., Mountain View, CA;Johns Hopkins University, Baltimore, MD

  • Venue:
  • Proceedings of the 2007 ACM workshop on Recurring malcode
  • Year:
  • 2007

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Abstract

Phishing is form of identity theft that combines social engineering techniques and sophisticated attack vectors to harvest financial information from unsuspecting consumers. Often a phisher tries to lure her victim into clicking a URL pointing to a rogue page. In this paper, we focus on studying the structure of URLs employed in various phishing attacks. We find that it is often possible to tell whether or not a URL belongs to a phishing attack without requiring any knowledge of the corresponding page data. We describe several features that can be used to distinguish a phishing URL from a benign one. These features are used to model a logistic regression filter that is efficient and has a high accuracy. We use this filter to perform thorough measurements on several million URLs and quantify the prevalence of phishing on the Internet today