About Me

I’m a white-hat hacker who is interested in Binary Analysis. I’m dreaming of the world where all of the classic console games get decompiled, and everyone enjoys ROM hacking without any hardness (Link). And, I wanna be the Master Ball, which can absorb knowledges nearby.


Research Intern (Undergraduate Intern)

Jan. 2021 - Aug. 2021
SoftSec Lab, KAIST
  • Studied Binary Analysis.

Vulnerability Assessment Trainee

Jul. 2020 - Feb. 2021
Best of the Best 9th, KITRI
  • Participated in Virtual Machine Bug Hunting Project (Link).
  • Participated in TOP 30 contest.

Project Intern (Undergraduate Intern)

Jul. 2019 - Feb. 2020
Smart Convergence Group, KIST Europe
  • Developed an end-to-end ML-based OCR framework for shipping labels.
  • A paper accepted to IPIU2020 (Poster Session).


Mar. 2019 - Jun. 2019
Algorithm GURU 1st, Kyung Hee University
  • Studied Competitive Programming as a group.
  • Won a 3rd prize in KHU Algorithm Competition.


Jan. 2017 - Oct. 2018
The 1st Logistic Support Command, Republic of Korea Army
  • Served military service.


Jan. 2007 - Dec. 2010
Hanmaru: Amateur Game Hacking Team
  • Analyzed the structures of games, especially Nintendo console games.


Pokemon Ranger: Fan Translation

Sep. 2020 - Present

Pokemon Card Game: Fan Translation

Mar. 2019 - May. 2020

Coropata: Fan Translation

Jan. 2010 - Feb. 2010



Apr. 2021
Oracle VirtualBox VRDP Heap-based Buffer Overflow Remote Code Execution


Apr. 2021
Oracle VirtualBox VGA Out-Of-Bounds Read Information Disclosure


Feb. 2021
Naver Map Path Traversal Information Leakage


Jan. 2021
Oracle VirtualBox VGA Divide by Zero Denial-of-Service


Jan. 2021
Naver Search Cross-Site Scripting Cookie Stealing