About
Education
- National Cheng Kung University, Taiwan
- Department of Computer Science and Information Engineering (CSIE)
- Undergraduate | Class of 2026
Professional Roles
- Vice president and cofounder @ NCKUCTF Club
- September, 2023 - Present
- Led 2023 NCKU freshmen cup CTF competition in September and sucessfully recruited 20+ new members
- Hosts B33F H4CK1NG, which is the book club under B33F 50μP CTF team
- Core member @ CTF team B33F 50μP.
- September, 2023 - Present
- Mainly solving pwnable (binary exploitation) challenges in many Capture The Flag competitions
- Gave 3 binary exploitation lectures from basic to advanced, which is open to everyone
- Vulnerability research intern at TeamT5
- February, 2025 - Present
- Member of Taiwan Security Club (TSC)
- September, 2023 - Present
- Member of general affairs division (行政組組員) since 2024
- Created 2 challenges for the 2024 TSC CTF competition and volunteered as a staff at the award ceremony
- Created 3 challenges for the 2025 TSC CTF competition and volunteered as a staff at the award ceremony.
- Teaching Assistance @ AIS3
- July 29th - August 4th, 2024
- Guided 150 participants in advanced cybersecurity courses
- Assisted 36 participants in generating ideas for security projects related to threat intelligence and AI
- Member of UCCU Hacker.
- October, 2023 - Present
- Helped the event in 2024 HITCON UCCU stand
Specialized Training
- Taiwan Holy High Training 台灣好厲駭 - Trainee
- September, 2023 - Present
- Studying with mentor Angelboy
- 2024 TeamT5 Security Camp - Student
- January, 2024
- Selected by pre-exam.
- Project: Deep in ASUS RT Series Routers’ Multiple Vulnerabilities with Taiyou.
- 2023 Advanced Information Security Summer School (AIS3) - Trainee
- July, 2023
- Selected by pre-exam.
- Best Project Award 最佳專題獎 among all 8 software security groups
- Project: pyc/zip file type confusion in latest Cpython
- 2025 Global Cybersecurity Camp - Trainee
- February 10 - 14, 2025
- TBA
Competition and Awards
- 2024 資安技能金盾獎大專院校組
- 2024 AEGIS 神盾盃
- September & November, 2024
- 2nd place in the finals with team
B33F 50μPout of 10 teams / 7th out of 50 teams in qualifier
- 54th National Skills Competition Cyber Security 第54屆全國技能競賽網路安全職類
- July 17-21, 2024
- 2nd Place (Silver Medal 銀牌) among all 14 selected teams from all over Taiwan with ShallowFeather
- 2024 HITCON CTF
- July & November, 2024
- Global 24th out of 1699 teams (Taiwan 1st) in qualification with team
星爆牛炒竹狐(Starburst Beef Stir-Fried BambooFox) and successfully advanced to finals - Final 10th / First in Taiwan
- All pwn challenges solved by our team are solved by me
- 2024 HITCON Cyber Range
- October 30th, 2024
- 2nd place out of 10 teams in student division with team
B33F 50μP
- 2024 AIS3 Pre-exam & My First CTF
- May, 2024
- Created 2 pwnable challenges for more than 400 participants
- 2024 Cybersec Arena 資安競技場 Enterprise Cybersecurity Offense and Defense Competition 企業資安攻防實戰競賽
- May 16th, 2024
- 1st Place among all 60 finalists
- 54th National Skills Competition Southern Division Cyber Security 第54屆全國技能競賽南區分區技能競賽網路安全職類
- March, 2024
- 2nd Place (Silver Medal 銀牌) among all 8 teams and advanced to national skills competition with ShallowFeather
- 2024 國立成功大學 NCKU 工控 ICS CTF
- December 9th, 2024
- 1st Place (Our team is the only team that solved all challenges)
- I scored 1950 points out of total 3000 points
- 2024 Cyber Guardian Grand Challenge 網路守護者挑戰賽
- November - December, 2024
- 1 challenge for qualifier and 1 challenge for final
- Keynote speaker
- 2024 HACKTHEON SEJONG
- April, 2024
- Global 29th (Taiwan 1st) in qualification with team
B33F 50μP
- 2024 AIS3 EOF Final CTF
- February, 2024
- 4th Place in the EOF finals / 10 teams with
不屬於 Kirito 的星爆氣流斬 - Special Award: 麵包超人獎 (Master of Pwn)
- The only team that developed pure binary exploit for “pwn2own” challenge (Given a raspberry pi with vulnerable firmware and there were bugs in web interface and other binary services)
- Got the highest score in the challenge and here is our detailed writeup with Vincent55
- 2024 TSCCTF
- January, 2025
- Created 2 pwnable challenges for more than 500 participants
- CTFtime
- 2023 Cyber Guardian Grand Challenge 網路守護者挑戰賽
- December, 2023
- Created 1 challenge for qualifier and 1 challenge for the final challenge here
- 2023 AIS3 My First CTF
- March 13th, 2023
- 1st Place / 120 people. My ID is
I weak - Accepted to 2023 AIS3 Summer Camp
- 2023 資安技能金盾獎大專院校組
- November, 2023
- 6th (嶄露頭角獎) in the finals with team
ncku/ top 30 out of 240 teams in qualification
- 2023 AEGIS 神盾盃
- November, 2023
- 9th in the finals with team
B33F 50μP/ 5th in qualifier
- 2023 Cyber Guardian Grand Challenge 網路守護者挑戰賽
- December, 2023
- 5th in the finals with team
B33F 50μP/ 3rd in qualifier - Solved all pwnable challenges in the qualifier
Lecture and Speaking
- 2024 NCKUCTF Pwn Courses
- April - May, 2024
- Course Repository
- 9 hours of free and open source lecture about software security including
- Introduction to common bug classes and basic binary exploit like shellcoding and hijack program flow
- Various return oriented programming (ROP) techniques and bypassing modern protection
- Brief introduction to IoT security with hands-on hacking (Command injection on Tenda AC10 router)
- B33F H4CK1NG April
- April, 2024
- Topic: Random AV Bypass Techniques
- B33F H4CK1NG May
- May, 2024
- Topic: How I caught in-the-wild mirai botnet samples?
- 2024 NSYSU ISC Basic Pwn Course
- Common Vulnerabilities
- Program basics and protection
- Stack overflow (ret2win, ret2shellcode)
- Hackmd Link
Project
- Coming soon!
Community Paticipation
- HITCON
- 2023 Attendee
- 2024 Attendee
- SITCON
- 2022 Attendee
- 2024 Attendee
- DEVCORE Conference
- 2024 Attendee
- 2025 Attendee sponsored by DEVCORE
Disclaimer
I’m not affiliated with pwn2own competition. But I hope I can participate in it someday.