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
• 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
• 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

• 8th 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) - Participant
  • 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

Competition and Awards

• 2024 AEGIS 神盾盃
  • September & November, 2024
  • 7th in qualifier with B33F 50UP
• 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 and successfully advanced to finals
  • All pwn challenges solved by us are solved by me
  • .
• 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 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, 2024
  • Created 2 pwnable challenges for more than 160 participants
• 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 lecture about software security including
    • Introduction to bug classes and basic binary exploit like shellcoding and hijack program flow
    • Return oriented programming (ROP) and how to bypass modern exploit mitigation
    • Brief introduction to IoT security with hacking real-world products
• 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?

Project

• Coming soon!

Community Paticipation

• HITCON
  • 2023 Attendee
  • 2024 Attendee
• SITCON
  • 2022 Attendee
  • 2024 Attendee
• DEVCORE Conference
  • 2024 Attendee

Disclaimer

I’m not affiliated with pwn2own competition. But I hope I can participate in it someday.