An end-to-end covert channel via packet dropout for mobile networks

Y Tan, X Xu, C Liang, X Zhang… - International Journal of …, 2018 - journals.sagepub.com
Voice over Long-Term Evolution enables reliable transmission among enormous Internet of
Things devices, by providing end-to-end quality of service for Internet protocol–based …

A robust packet-dropout covert channel over wireless networks

Y Li, X Zhang, X Xu, Y Tan - IEEE Wireless Communications, 2020 - ieeexplore.ieee.org
Wireless communication is the most important carrier for covert channels because
increasing security threats have made covert channels an alternative to transmitting …

A robust packet‐dropping covert channel for mobile intelligent terminals

L Yuanzhang, L Junli, X Xinting… - … Journal of Intelligent …, 2022 - Wiley Online Library
Covert communication in this regard has been widely used for protecting the secrecy of
communication. Voice over Long Term Evolution (VoLTE) is a packet‐switched core network …

Turbo covert channel: An iterative framework for covert communication over data networks

SA Ahmadzadeh, G Agnew - 2013 Proceedings IEEE …, 2013 - ieeexplore.ieee.org
Inspired by the challenges of designing a robust, and undetectable covert channel, in this
paper we introduce a design methodology for timing covert channels that achieve provable …

A packet-reordering covert channel over VoLTE voice and video traffics

X Zhang, L Zhu, X Wang, C Zhang, H Zhu… - Journal of Network and …, 2019 - Elsevier
Covert timing channels hide covert message in some timing behavior of an entity. The most
common entity is the inter-packet delays (IPDs) which are modulated to represent the covert …

Building covert timing channels by packet rearrangement over mobile networks

X Zhang, C Liang, Q Zhang, Y Li, J Zheng, Y Tan - Information Sciences, 2018 - Elsevier
Covert timing channels (CTCs) can transmit covert messages by modulating the timing
behavior of an entity in overt network communication. In majority of existing solutions, the …

Sensing aided covert communications: Turning interference into allies

X Wang, Z Fei, P Liu, JA Zhang, Q Wu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we investigate the realization of covert communication in a general radar-
communication cooperation system, which includes integrated sensing and communications …

Disrupting and preventing late-packet covert communication using sequence number tracking

F Rezaei, M Hempel, D Peng… - MILCOM 2013-2013 …, 2013 - ieeexplore.ieee.org
Modern covert channel communication is the art of hiding secret information in legitimate
network traffic in a way that cannot normally be detected by anyone other than the intended …

A covert channel over volte via adjusting silence periods

X Zhang, YA Tan, C Liang, Y Li, J Li - IEEE Access, 2018 - ieeexplore.ieee.org
Covert channels represent unforeseen communication methods that exploit authorized overt
communication as the carrier medium for covert messages. Covert channels can be a …

Covert communications: A comprehensive survey

X Chen, J An, Z Xiong, C Xing, N Zhao… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Information security has always been a critical issue in wireless networks. Apart from other
secure techniques, covert communication emerges as a potential solution to security for …