Skip to content
View Yayoi-cs's full-sized avatar
💠
No exception,Only known error
💠
No exception,Only known error
19 followers · 16 following
  • GMO Cybersecurity by IERAE
  • Japan
  • 10:42 (UTC +09:00)

Achievements

Achievement: Pull Sharkx2Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: YOLOAchievement: Quickdraw

Organizations

@m01nm01n @kisarazu-big-branch

Block or report Yayoi-cs

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don't include any personal information such as legal names or email addresses. Markdown supported. This note will be visible to only you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
Yayoi-cs/README.md

Q: Why is the username "Yayoi-cs"?

A: It's simply because I was born in March (a.k.a Yayoi in Japan)

Said, Hi!

Hi, I'm tsune.

CTF archive

https://yayoi-cs.github.io/blog/starter.html

  • '25 Midnight Flag CTF Final (Rennes, Jun/2025)
  • '25 CODEGATE Global Hacking Competition Final (Seoul, Jul/2025)
  • '25 TSG CTF Final (Tokyo, Upcoming)

CTF authoring

https://github.com/Yayoi-cs/my-ctf-challenge

  • ICC TOKYO (Tokyo, Nov/2025)
  • '25 IERAE CTF (Online, Jun/2025)
  • Daily Alpaca Hack

Competition

  • 8th APAC HPC-AI Competition / Excellent AI performance award

Pinned Loading

  1. fastDbg fastDbg Public

    x86_64 native/qemu kernel debugger

    Go 4 1

  2. kisarazu-big-branch/kisarazu-big-branch kisarazu-big-branch/kisarazu-big-branch Public

    APAC HPC-AI Competition 2025, Final submittion repogitory of Kisarazu-Big-Branch.

    Shell 3

  3. blog blog Public

  4. my-ctf-challenge my-ctf-challenge Public

    C

  5. findruction findruction Public

    fast and loose instruction finder

    Rust

  6. pwner pwner Public

    pwn utils for gopher

    Go