Khodjaeva, Yulduz, Nur Zincir-Heywood, and Ibrahim Zincir. “Can We Detect Malicious Behaviours in Encrypted DNS Tunnels Using Network Flow Entropy?”. Journal of Cyber Security and Mobility 11, no. 03 (August 14, 2022): 461–496. Accessed September 1, 2024. https://journals.riverpublishers.com/index.php/JCSANDM/article/view/14789.