The Implementation of Passive Covert Channels in the Linux Kern

Abstract

Introduction The goal of this paper is to describe the idea of so called passive covert channels (PCC), which might be used by malware to leak information from the compromised hosts. This idea has been implemented in a proof-of-concept tool, called NUSHU. The primary goal of the PCC is to be as stealth as possible by not generating its own traffic at all. To be actually useful PCC should be combined with some kind of password sniffer or other information gathering software running on the compromised host.

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@inproceedings{Rutkowska2004TheIO, title={The Implementation of Passive Covert Channels in the Linux Kern}, author={Joanna Rutkowska}, year={2004} }