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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Detection of covert channel communications based on intentionally corrupted frame check sequences

Najafizadeh, Ali 01 July 2011 (has links)
This thesis presents the establishment of a covert-channel in wireless networks in the form of frames with intentionally corrupted Frame Check Sequences (FCSs). Previous works had alluded to the possibility of using this kind of covert-channel as an attack vector. We modify a simulation tool, called Sinalgo, which is used as a test bed for generating hypothetical scenarios for establishing a covert-channel. Single and Multi-Agent systems have been proposed as behaviour-based intrusion detection mechanisms, which utilize statistical information about network traffic. This utilized statistical information is used to detect covert-channel communications. This work highlights the potential impact of having this attack perpetrated in communications equipment with a low chance of being detected, if properly crafted. / UOIT

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