Ziyi Guo(Roland Guo) (CV) Gallery Northwestern University, USA.

News

• [2024.08] Our Team 42-b3yond-6ug won DARPA's AIxCC SemiFinal at DEFCON 32, awarded $2 million. [link]

• [2024.07] Awarded Student Grant from USENIX Security'24

• [2024.06] Page Spray is accepted by USENIX Security 2024. [link]

• [2024.02] Our Team 42-b3yond-6ug won $1 million from DARPA's Artificial Intelligence Cyber Challenge(AIxCC), top 7 in the world. I learn a lot from Professors and Mates! [link]

About Me

• I love hacking. I'm core member of 42-b3yong-6ug. I play CTF in r3kapig.

• I received my Bachelor Degree from Sichuan University, Aug. 2023. Then started pursuing my CS Ph.D. in Northwestern, since Sept. 2023. Before joining in Northwestern, I was a Research Assistant at NISL, Security Researcher at Xuanwu Lab focusing on Vulnerability Exploitation.

Research Interests

• Vulnerability Exploitation, Hacking Techniques.

• System Security in modern AI infrastructure, like Cloud Container, OS, and etc.

• LLMs for System Security.

Experience

• Security Researcher @ Tencent Xuanwu Lab [2021.11 ~ 2022.3]

• Research Assistant @ Tsinghua University [2022.3 ~ 2023.5]

• Research Assistant @ Northwestern University [2022.6 ~ Now]

Conference Publication

* represents equal contribution/co-first author.


• Take a Step Further: Understanding Page Spray in Linux Kernel Exploitation. [paper]
  Ziyi Guo, Dang K Le, Zhenpeng Lin, Kyle Zeng, Ruoyu Wang, Tiffany Bao, Yan Shoshitaishvili, Adam Doupé, Xinyu Xing
  - USENIX Security 2024.

• CAMP: Compiler and Allocator-based Heap Memory Protection. [paper]
  Zhenpeng Lin, Zheng Yu, Ziyi Guo, Simone Campanoni, Peter Dinda, Xinyu Xing
  - USENIX Security 2024.

• Cross Container Attacks: The Bewildered eBPF on Clouds. [paper]
  Yi He* and Roland Guo*, Yunlong Xing, Xijia Che, Kun Sun, Zhuotao Liu, Ke Xu, Qi Li
  - USENIX Security 2023.

• Guiding LLMs fix realworld vulnerabilities.
  - Under Review.

Media Coverage

Some of my works are reported by media.

• Safeguarding Critical Software Infrastructure through Novel AI Systems

• Advancing Compiler Technology

• Container Breakout Vulnerabilities

• The Evolution and Impact of eBPF

• DEFCON Group 201

• News reports cover 42-b3yond-6ug: UWaterloo , DARPA , InfoSecurity Magazine , MeriTalk , Cyberscoop , Dark Reading , ExecutiveGov , The Readable , Science of Security , The Register

Academic Services

• Artifact Evaluation Program Committee(AEC): USENIX Security 2024, ISSTA 2024

• External Reviewer: IEEE S&P 2024, IEEE S&P 2025

Education

• Northwestern University, Ph.D., Computer Science.

  September 2023 to Present, Evanston, USA

• Sichuan University, B.E., Cyber Security.

  September 2019 to July 2023, Chengdu, China

Competition

• Winner of DARPA's AIxCC SemiFinal at DEFCON 32.

• World Finalist, DEFCON 29 CTF

• World Finalist, DEFCON 30 CTF

MISC

• I wrote some tech blogs for people who want to learn vulnerability exploiation in Kanxue