Detection of Covert Channels in TCP Retransmissions. - Sebastian Zillien; Steffen Wendzel (NordSec, 2018)

WoDiCoF - A Testbed for the Evaluation of (Parallel) Covert Channel Detection Algorithms. - Ralf Keidel; Steffen Wendzel; Sebastian Zillien; Eric S. Conner; Georg Haas (J. Univers. Comput. Sci., 2018)

Reset- and Reconnection-based Covert Channels in CoAP. - Laura Hartmann; Sebastian Zillien; Steffen Wendzel (EICC, 2021)

Reconnection-Based Covert Channels in Wireless Networks. - Sebastian Zillien; Steffen Wendzel (SEC, 2021)

Derivatives in Proton CT. - Max Aehle; Johan Alme; Gergely Gábor Barnaföldi; Johannes Blühdorn; Tea Bodova; Vyacheslav Borshchov; Anthony van den Brink; Mamdouh Chaar; Viljar Eikeland; Gregory Feofilov; Christoph Garth; Nicolas R. Gauger; et al. (CoRR, 2022)

Did You See That? A Covert Channel Exploiting Recent Legitimate Traffic. - Steffen Wendzel; Tobias Schmidbauer; Sebastian Zillien; Jörg Keller 001 (CoRR, 2022)

Weaknesses of Popular and Recent Covert Channel Detection Methods and a Remedy. - Sebastian Zillien; Steffen Wendzel (IEEE Trans. Dependable Secur. Comput., 2023)

Look What's There! Utilizing the Internet's Existing Data for Censorship Circumvention with OPPRESSION. - Sebastian Zillien; Tobias Schmidbauer; Mario Kubek; Jörg Keller 001; Steffen Wendzel (AsiaCCS, 2024)

A Development Framework for TCP/IP Network Steganography Malware Detection. - Sebastian Zillien; Denis Petrov; Pascal Ruffing; Friedrich Gross (IH&MMSec, 2024)

Domainator: Detecting and Identifying DNS-Tunneling Malware Using Metadata Sequences. - Denis Petrov; Pascal Ruffing; Sebastian Zillien; Steffen Wendzel (ARES (1), 2025)

DYST (Did You See That?): An Amplified Covert Channel That Points To Previously Seen Data. - Steffen Wendzel; Tobias Schmidbauer; Sebastian Zillien; Jörg Keller 001 (IEEE Trans. Dependable Secur. Comput., 2025)

A Survey of Internet Censorship and its Measurement: Methodology, Trends, and Challenges. - Steffen Wendzel; Simon Volpert; Sebastian Zillien; Julia Lenz; Philip Rünz; Luca Caviglione (CoRR, 2025)

A Generic Taxonomy for Steganography Methods. - Steffen Wendzel; Luca Caviglione; Wojciech Mazurczyk; Aleksandra Mileva; Jana Dittmann; Christian Krätzer; Kevin Lamshöft; Claus Vielhauer; Laura Hartmann; Jörg Keller 001; Tom Neubert; Sebastian Zillien (ACM Comput. Surv., 2025)