Network Covert Channels

Covert Channels in the HTTP Network Protocol: Channel Characterization and Detecting Man-in-the-Middle Attacks

Abstract

Network covert channels allow two entities to communicate stealthily. Hypertext Transfer Protocol (HTTP), accounting for approximately half of all traffic on the Internet (Burke, 2007), has become the de facto standard for hiding network covert channels. Proliferation of covert channels throughout the World Wide Web has brought both challenges and enhancements to the area of Information Warfare. This paper defines a set of common characteristics, then classifies and analyzes several known and new covert channels in HTTP with respect to these characteristics. Lastly, this paper proposes that there are beneficial applications of network covert channels, such as detecting Man-in-the-Middle attacks.

Published In

Volume 9, Issue 3

Journal of Information Warfare

The definitive publication for the best and latest research and analysis on information warfare, information operations, and cyber crime. Available in traditional hard copy or online.

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The definitive publication for the best and latest research and analysis on information warfare, information operations, and cyber crime. Available in traditional hard copy or online.

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