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Defeating pharming attacks at the client-side

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2 Author(s)
Gastellier-Prevost, S. ; Inst. Telecom, Telecom SudParis, Evry, France ; Laurent, M.

With the deployment of “always-connected” broadband Internet access, personal networks are a privileged target for attackers and DNS-based corruption. Pharming attacks - an enhanced version of phishing attacks - aim to steal users' credentials by redirecting them to a fraudulent login website, using DNS-based techniques that make the attack imperceptible to the end-user. In this paper, we define an advanced approach to alert the end-user in case of pharming attacks at the client-side. With a success rate over 95%, we validate a solution that can help differentiating legitimate from fraudulent login websites, based on a dual-step analysis (IP address check and webpage content comparison) performed using multiple DNS servers information.

Published in:

Network and System Security (NSS), 2011 5th International Conference on

Date of Conference:

6-8 Sept. 2011