GeekCon International 2024


TuDoor in the DNS Wall - The Fastest DNS Cache Poisoning Attack. Disclosing a Sophisticated Attack Exploiting Unknown Vulnerabilities in Popular Internet Protocols to Hijack Sites (incl. Demo).

May 25, 2024 9:00 AM — May 26, 2024 9:00 PM
OCBC Arena @Singapore Sports Hub
5 Stadium Dr, 397631

In GeekCon International 2024, Prof. Duan and me presented the TuDoor attack and showed a live demo. We got the Extraordinary Hacker honor.



Xiang Li
Xiang Li
Ph.D. Candidate in Cyberspace Security (Tsinghua University)

Xiang Li is a 5th-year Ph.D. candidate at the Institute of Network Science and Cyberspace, Tsinghua University, advised by Professors Qi Li and Haixin Duan. His research interests include network security, protocol security, IPv6 security, DNS security, Internet measurement, network & protocol fuzzing, network vulnerability discovery & attack, and underground economy with 18 research papers. As the first author, he has published many research papers at all top-tier security conferences, including Oakland S&P, USENIX Security, CCS, NDSS, and Black Hat (Asia, USA, and Europe). He applied for 11 patents (1 authorized and 5 in checking as the first author). He has obtained over 200 CVE/CNVD/CNNVD vulnerability numbers, more than $11,600 rewards, 330+ GitHub stars, multiple CERT reports, 100+ news coverage, and RFC acknowledgement. He got multiple prizes, such as 1st prize of IPv6 Technology Application Innovation Competition, 2nd prize of GeekCon 2023 DAF Contest, National Scholarship, Wang Dazhong Scholarship, Tsinghua Outstanding Scholarship, and Extraordinary Hacker of GeekCon International 2024.