Kaiwen Shen (沈凯文)

Tsinghua University, Network and Information Security Lab, Ph.D.17, PhD candidate
Tsinghua University FIT Building 1-213
[email protected]
Network and Information Security Lab (NISL)
Institute for Network Science and Cyberspace
CTFer in #Redbud#, #Bluelotus# and #Tea Deliverers#

Research Interests

  • Protocol security
  • Data Security
  • Web Security

CTF Career

I collect interesting web challenges in my github repo.

I’d like to write technical posts and ctf write-ups on my blog.


Conferences Papers

  1. [CCS’ 20] Talking with Familiar Strangers: An Empirical Study on HTTPS Context Confusion Attacks. Mingming Zhang, Xiaofeng Zheng, Kaiwen Shen, Ziqiao Kong, Chaoyi Lu, Yu Wang, Haixin Duan, Shuang Hao, Baojun Liu, Min Yang. In Proceedings of the ACM SIGSAC Conference on Computer and Communications Security, Orlando, USA, November 2020.

  2. [DSN’20] CDN Backfired: Amplification Attacks Based on HTTP Range Requests. Weizhong Li, Kaiwen Shen, Run Guo, Baojun Liu, Jia Zhang, Haixin Duan, Shuang Hao, Xiarun Chen, and Yao Wang. Accepted by the 50th IEEE/IFIP International Conference on Dependable Systems and Networks, Valencia, Spain, July 2020.

  3. [NDSS’20] CDN Judo: Breaking the CDN DoS Protection with Itself. Ruo Guo, Weizhong Li, Baojun Liu, Shuang Hao, Haixin Duan, Jia Zhang, Kaiwen Shen, Jianjun Chen and Ying Liu. Accepted by the ISOC Network and Distributed System Security Symposium (NDSS), San Diego, CA, Feb. 2020.

    Slides Download [PDF Version].