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Experiences in Passively Detecting Session Hijacking Attacks in IEEE 802.11 Networks

Gill, Rupinder, Smith, Jason, & Clark, Andrew (2006) Experiences in Passively Detecting Session Hijacking Attacks in IEEE 802.11 Networks. In Buyya, R., Ma, T., Safavi-Naini, R., Steketee, C, & Susilo, W. (Eds.) Proceedings of 4th Australasian Information Security Workshop (Network Security), Australian Computer Society Inc, Hobart, Tasmania, pp. 221-230.

Abstract

Current IEEE 802.11 wireless networks are vulnerable to session hijacking attacks as the existing standards fail to address the lack of authentication of management frames and network card addresses, and rely on loosely coupled state machines. Even the new WLAN security standard - IEEE 802.11i does not address these issues. In our previous work, we proposed two new techniques for improving detection of session hijacking attacks that are passive, computationally inexpensive, reliable, and have minimal impact on network performance. These techniques utilise unspoofable characteristics from the MAC protocol and the physical layer to enhance confidence in the intrusion detection process. This paper extends our earlier work and explores usability, robustness and accuracy of these intrusion detection techniques by applying them to eight distinct test scenarios. A correlation engine has also been introduced to maintain the false positives and false negatives at a manageable level. We also explore the process of selecting optimum thresholds for both detection techniques. For the purposes of our experiments, Snort-Wireless open source wireless intrusion detection system was extended to implement these new techniques and the correlation engine. Absence of any false negatives and low number of false positives in all eight test scenarios successfully demonstrated the effectiveness of the correlation engine and the accuracy of the detection techniques.

Impact and interest:

1 citations in Scopus
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ID Code: 25301
Item Type: Conference Paper
Keywords: Wireless Intrusion Detection, Session Hijacking , Received Signal Strength, Round Trip Home, Passive Monitoring
ISBN: 1920682368
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > DATA FORMAT (080400) > Data Format not elsewhere classified (080499)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Information Security Institute
Copyright Owner: Copyright 2006 Australian Computer Society Inc
Deposited On: 18 Jun 2009 01:06
Last Modified: 29 Feb 2012 23:18

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