Research on Construction Methods for Network Covert Channels Based on HTTP

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Abstract:

Network covert channel is a steganography technology that uses network traffic data as a carrier to transfer the secret data. This paper analyzes the working principle of network covert channels, and summarizes the commonly used construction technology of network covert channels. Then it analyzes the characteristics of the HTTP header lines and gives some methods of constructing network covert channels with these characteristics. Network covert channels based on the HTTP header lines are simple, flexible, and difficult to be detected and shielded.

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2528-2533

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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