A new paradigm hidden in steganography
Proceedings of the 2000 workshop on New security paradigms
Information Hiding Techniques for Steganography and Digital Watermarking
Information Hiding Techniques for Steganography and Digital Watermarking
SSH, The Secure Shell: The Definitive Guide
SSH, The Secure Shell: The Definitive Guide
Proceedings of the Second International Workshop on Information Hiding
Proceedings of the Second International Workshop on Information Hiding
Proceedings of the Third International Workshop on Information Hiding
IH '99 Proceedings of the Third International Workshop on Information Hiding
Proceedings of the 4th International Workshop on Information Hiding
IHW '01 Proceedings of the 4th International Workshop on Information Hiding
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Hiding Data in the OSI Network Model
Proceedings of the First International Workshop on Information Hiding
Information Hiding Terminology - Results of an Informal Plenary Meeting and Additional Proposals
Proceedings of the First International Workshop on Information Hiding
An Information-Theoretic Approach to Steganography and Watermarking
IH '99 Proceedings of the Third International Workshop on Information Hiding
Eliminating Steganography in Internet Traffic with Active Wardens
IH '02 Revised Papers from the 5th International Workshop on Information Hiding
A Practical Approach to Identifying Storage and Timing Channels: Twenty Years Later
ACSAC '02 Proceedings of the 18th Annual Computer Security Applications Conference
Hide and Seek: An Introduction to Steganography
IEEE Security and Privacy
IPSOFACTO: a visual correlation tool for aggregate network traffic data
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
New covert channels in HTTP: adding unwitting Web browsers to anonymity sets
Proceedings of the 2003 ACM workshop on Privacy in the electronic society
On the limits of steganography
IEEE Journal on Selected Areas in Communications
Digital Watermarking and Steganography
Digital Watermarking and Steganography
Embedding a covert channel in active network connections
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
PET'05 Proceedings of the 5th international conference on Privacy Enhancing Technologies
Steganography in streaming multimedia over networks
Transactions on Data Hiding and Multimedia Security VII
VoIP steganography and its Detection—A survey
ACM Computing Surveys (CSUR)
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Protocol steganography allows users who wish to communicate secretly to embed information within other messages and network control protocols used by common applications. This form of unobservable communication can be used as means to enhance privacy and anonymity as well as for many other purposes, ranging from entertainment to protected business communication or national defense. In this paper, we describe our approach to application-layer protocol steganography, describing how we can embed messages into a commonly used TCP/IP protocol. We also introduce the notions of syntax and semantics preservation, which ensure that messages after embedding still conform to the host protocol. Based on those concepts, we attempt to produce reasonably secure and robust stegosystems. To demonstrate the efficacy of our approach, we have implemented protocol steganography within the Secure Shell (SSH) protocol. Findings indicate that protocol steganographic system is reasonably secure if the statistical profile of the covermessages and the statistical profile of its traffic match their counterparts after embedding.