Hunting SIP Authentication Attacks Efficiently

Author:

Jansky Tomáš,Čejka Tomáš,Bartoš Václav

Abstract

AbstractExtended flow records with application layer (L7) information allow for detection of various types of malicious traffic. Voice over IP (VoIP) is an example of technology that works on L7 and many attacks against it cannot be reliably detected using just basic flow information. Session Initiation Protocol (SIP), which is commonly used for VoIP signalling, is a frequent target of many types of attacks. This paper proposes and evaluates a novel algorithm for near real time detection of username scanning and password guessing attacks on SIP servers. The detection is based on analysis of L7 extended flow records.

Publisher

Springer International Publishing

Reference6 articles.

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