Identity
st4rlight (aka. Ainsetin)
Think positive, Stay healthy, Be the best.
"Excellence, then, is not an act, but a habit."
I am a security researcher from Republic of Korea,
currently focused on browser exploitation and advanced vulnerability analysis.
Building what nobody tried before is the part I enjoy most.
Profile
- Full Name Wonuk Bae
- Work STEALIEN Mobile Research
- CTF Teams cat :flag_kr: World Wide Flags SaturnX
- Union Team Cold Fusion
School
Sejong University
Dept of Computer and Information Security
Korea Digital Media High School
Hacking Defense
Timeline Highlights
Full timeline
DEFCON 34 (2026)
Cold Fusion International ๐บ๐ธ
-
Quals 3rd
SAS CTF (2025)
thehackerscrew International ๐น๐ญ
-
Finals 10th
DEFCON 33 (2025)
Cold Fusion International ๐บ๐ธ
-
Quals 7thFinals 10th
HITCON CTF (2024)
Cold Fusion International ๐น๐ผ
-
Finals 6th
DEFCON 32 (2024)
Cold Fusion International ๐บ๐ธ
-
Finals 9th
HITCON CTF (2023)
ํ๋ก๊ทธ๋จํธ๋ชจ์ฐ International ๐น๐ผ
-
Finals 4th
Motto
be the special st4rlight in the world
Collecting high-quality and critical bugs is my short-term goal.
Research Direction
- Browser Exploitation
- Mobile Research
- Reverse Engineering
- CTF Pwn & Web
- Math / Foundations
Speaker
- 2021 Hspace HackTheBox Write-Up Seminar
- 2021 TeamH4C Conference for Students (review)
- 2022 Samsung SDS Security Research Seminar
: As a CTF Player, As a Security Researcher - 2026 INCOGNITO Conference
: What Comes After Solving CTF Challenges?
Contributions
- Dreamhack UCC featured problem author
- SSL 4th mentor: Deep Understanding for CTF
- ACS CTF author (2023/2024), administrator (2025)
Contact
Email: bww9641[@]naver.com / bww9643[@]gmail.com
Discord: st4rlight_exp (st4rlight)
GitHub: github.com/bww9641