Hi there 👋

I am Le Gai, a graduate of the School of Cyber Engineering, Xidian University, where I majored in cyber engineering.

I am now pursuing my PhD program at the Institute for Network Sciences and Cyberspace(INSC), Tsinghua University. I am a member of the Network Architecture and Measurement Group, advised by Assistant Research Professor Lin He, and under the leadership of Prof. Ying Liu.

My recent work focuses on the following research topics. If you would like to discuss anything, please feel free to contact me. For more new information, you may take a look at my Homepage.

• Tunnel Protocol and IP Source Address Validation
• Feature Engineering-based Ransomware Detection Methods
• Network Space Mapping and Internet Architecture

Research

• [USENIX Security 26] Le Gai, Zedong Jia, Lin He, Daguo Cheng, Chentian Wei, Ying Liu. TED: Abusing Tunnel Hosts and IPv6 Extension Headers for Pulsing DoS Attacks. USENIX Security 26, Baltimore, USA, 12 – 14 August 2026.

• [INFOCOM 26] Daguo Cheng, Zedong Jia, Ying Liu, Lin He, Le Gai, et al. Divide, Predict, Conquer: Adaptive Internet-wide Service Discovery with Limited Seeds. INFOCOM 26, Tokyo, Japan, 18 - 21 May 2026.

• [ChinaSoft 24] Ning Zhang, Le Gai, Pengbin Feng. Fast Calculation of National Commercial Cryptographic Algorithm Based on RISC-V Processing Core. ChinaSoft 24(Oral), Xi’an, China, 15-17 November 2024.

• Pengbin Feng, Le Gai, Li Yang, Qin Wang, Teng Li, Ning Xi, Jianfeng Ma. DawnGNN: Documentation augmented windows malware detection using graph neural network. Computers & Security, 2024: 103788.