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Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Galaxy BrainAchievement: QuickdrawAchievement: YOLO

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Galaxy BrainAchievement: QuickdrawAchievement: YOLO

Organizations

@hansei-hsoc @hanowwl @hansei-hanum @HSshell @hanseithon2bakjuhan @hansei31th @EatClock @PAISL-lab

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hsnyus-09/README.md

Hi there ๐Ÿ‘‹

YuSung Han / T00th1ess

High school student focused CTF and Computer Science Research.


GitHub Email


About Me

  • interested in vulnerability analysis, reverse engineering, and binary exploitation.
  • currently focusing on Linux kernel security, eBPF, Android internals, and CTF challenges.
  • CTF and Security Research with TeamH4C
  • also known a | hsnyus / hhhhhh / hhhhhh / hanyu

Tech Stack

Language

Frontend / App

Backend / Infra / DB


Activity

Period Activity
2026.04 ~ TeamH4C :: C4C / TOOR
2025.09 ~ 2026.04 Fermion CTF Team
2025.06 ~ 2025.11 ํ˜„๋Œ€์˜คํ† ์—๋ฒ„ ํ™”์ดํŠธํ•ด์ปค ์–‘์„ฑ๊ต์œก

Awards / Achievements

CTF Result
DEF CON 34 Quals 14th (TeamH4C)
boroCTF 2026 (HS Division) 11th (HSDO X PAISL)
Codegate CTF Quals Junior Finalist
MidnightFlag CTF 2026 24th (โ€œnullbyteโ€ looking for a GF)
Cyberguardians CMX 2026 Finalist
Coss CTF 2026 Fianlist (Final 4th)

Other than that, on portfolio


Research

TLBํžˆํŠธ ๋ชจ๋ธ ๊ธฐ๋ฐ˜์˜ 3๊ณ„์ธต eBPFํŒŒ์ดํ”„๋ผ์ธ์„ ํ™œ์šฉํ•œ ์ดˆ์ €๋ถ€ํ•˜ MCP์—์ด์ „ํŠธ ํ–‰๋™ ํ†ต์ œ ํ”„๋ ˆ์ž„์›Œํฌ
ํ•œ๊ตญ์ •๋ณด๊ณผํ•™ํšŒ (KIISE) 2026 ํ•œ๊ตญ์ปดํ“จํ„ฐ์ข…ํ•ฉํ•™์ˆ ๋Œ€ํšŒ (KCC2026)


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