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System Calls Instrumentation for Intrusion Detection in Embedded Mixed-Criticality Systems

Category: Inproceedings
Author(s)Marine Kadar, Sergey Tverdyshev, Gerhard Fohler
Source4th International Workshop on Security and Dependability of Critical Embedded Real-Time Systems (CERTS2019).
Date Jul 2019


System call relative information such as occurrences, type, parameters, and return values are wellestablished metrics to reveal intrusions in a system software. Many Host Intrusion Detection Systems(HIDS) from research and industry analyze these data for continuous system monitoring at runtime.Despite a significant false alarm rate, this type of defense offers high detection precision for bothknown and zero-day attacks. Recent research focuses on HIDS deployment for desktop computers.Yet, the integration of such run-time monitoring solution in mixed-criticality embedded systemshas not been discussed. Because of the cohabitation of potentially vulnerable non-critical softwarewith critical software, securing mixed-criticality systems is a non trivial but essential issue. Thus,we propose a methodology to evaluate the impact of deploying system call instrumentation in suchcontext. We analyze the impact in a concrete use-case with PikeOS real-time hypervisor.


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