NDLI: Network steganography based on traffic behavior in dynamically changing wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Xiangyu Niu Jinyuan Sun Husheng Li
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. Eng. & Comput. Sci., Univ. of Tennessee, Knoxville, TN, USA (Xiangyu Niu; Jinyuan Sun; Husheng Li)
Abstract	Previous work on network steganography mainly focused on which field(s) in the cover packet should be used to embed secret information, while largely ignoring how to generate the cover packet in the first place to make it hard to detect. As a result, the cover packet itself may raise suspicions which would defeat the purpose of network steganography. In this paper, we propose a novel traffic behavior learning scheme that can be leveraged to construct hard-to-detect cover packets even if the network traffic is analyzed at a deeper level (i.e., traffic patterns or behaviors). An unsupervised learning method based on the topic model is adopted to discover network traffic behavior. Previously captured network traces in a given network environment are used to train the topic model to learn traffic behavior. The results serve as reference to generate typical network traffic in any given environment and adapt to the network even if it is dynamically changing. In addition to traffic behavior, our model is able to capture network nodes' behavior. This is useful in that both traffic information (what packets to mimic) and node information (which nodes to mimic) can be taken into account when crafting cover packets. Our extensive simulation results show the effectiveness of the proposed scheme learning traffic behavior, indicating that the scheme can potentially be applied to other applications where traffic behavior is needed, besides network steganography.
Starting Page	7304
Ending Page	7309
File Size	473296
Page Count	6
File Format	PDF
e-ISBN	9781467364324
DOI	10.1109/ICC.2015.7249493
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Security Continuous wavelet transforms Protocols Information systems Adaptation models Companies Wireless sensor networks wireless sensor networks network steganography traffic behavior topic model
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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