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Detecting protocol switching covert channels
, 2022 S.280-283Network covert channels enable hidden communication and can be used to break security policies. Within the last years, new techniques for such covert channels arose, including protocol switching covert channels (PSCCs).
Wendzel, S., Zander, S.
core +1 more source
, 2016 A fresh perspective on covert channels is presented in this work. A new class, air-gap covert channels, is defined as an unintentional communication channel established between systems that are physically and electronically isolated from one another.
Carrara, Brent
core +2 more sources
Research on Covert Channels Based on Block Coding of MQTT Protocol Commands [PDF]
Jisuanji gongcheng, 2019 The carrier of traditional network covert channels is limited to the Internet protocol.To address this problem,based on the research of the Message Queuing Telemetry Transmission(MQTT) protocol at the application layer of Internet of Things(IoT),this ...
DENG Yuxin, TANG Zhangguo, ZHANG Jian, LI Huanzhou
doaj +1 more source
FF-MR: A DoH-Encrypted DNS Covert Channel Detection Method Based on Feature Fusion
Applied Sciences, 2022 In this paper, in order to accurately detect Domain Name System (DNS) covert channels based on DNS over HTTPS (DoH) encryption and to solve the problems of weak single-feature differentiation and poor performance in the existing detection methods, we ...
Yongjie Wang +4 more
doaj +1 more source
Covert Channel Communication as an Emerging Security Threat in 2.5D/3D Integrated Systems
Sensors, 2023 In this paper, first, a broad overview of existing covert channel communication-based security attacks is provided. Such covert channels establish a communication link between two entities that are not authorized to share data. The secret data is encoded
Ivan Miketic +2 more
doaj +1 more source
A Covert Channel Over VoLTE via Adjusting Silence Periods
IEEE Access, 2018 Covert channels represent unforeseen communication methods that exploit authorized overt communication as the carrier medium for covert messages. Covert channels can be a secure and effective means of transmitting confidential information hidden in overt
Xiaosong Zhang +4 more
doaj +1 more source
Reconnection-Based Covert Channels in Wireless Networks
, 2021 Part 3: Covert Channels and CryptographyInternational audienceIn recent years, malware is increasingly applying means of hidden communication. The emergence of network-capable stegomalware applies such methods to communication networks. In this paper, we
Wendzel, Steffen +3 more
core +1 more source
IEEE Access, 2019 Owing to their hidden natures, covert channels can be utilized such that trojan applications can communicate stealthily with each other or exchange stolen private information without being revealed.
Jun-Won Ho
doaj +1 more source
Delay Normalization Technique to Disrupt Covert Timing Channels Using Active Warden [PDF]
EPJ Web of ConferencesCovert channels exploit existing network resources, such as packet headers and timing information, to transfer information in ways not originally intended for communication, making them undetectable by conventional methods.
Uttarwar Vrushali Uday +1 more
doaj +1 more source
Combating Adversarial Covert Channels in Wi-Fi Networks
IEEE Access, 2022 Physical layer covert channels exploit the characteristics of radio signals to convey secret messages while remaining inconspicuous within wireless channels.
Hoorin Park +4 more
doaj +1 more source