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

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    Najafizadeh_Ali.pdf (1.279Mb)
    Date
    2011-07-01
    Author
    Najafizadeh, Ali
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    Abstract
    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.
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    https://hdl.handle.net/10155/169
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    • Master Theses & Projects [427]

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