Security

Towards Network Containment in Malware Analysis Systems

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Executive Summary

This paper focuses on the containment and control of the network interaction generated by malware samples in dynamic analysis environments. A currently unsolved problem consists in the existing dependency between the execution of a malware sample and a number of external hosts (e.g. C&C servers). This dependency affects the repeatability of the analysis, since the state of these external hosts influences the malware execution but it is outside the control of the sandbox. This problem is also important from a containment point of view, because the network traffic generated by a malware sample is potentially of malicious nature and, therefore, it should not be allowed to reach external targets.

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