CTF (en)
K3RN3LCTF 2021 Writeup
A brief writeup from K3RN3LCTF 2021 — an eccentric CTF that distributed actual malware in its Rev challenges.
ReadWaniCTF 2021 Autumn Writeup [Rev/Web/Forensic]
Writeups for interesting and educational challenges from WaniCTF 2021 Autumn.
ReadKiller Queen CTF 2021 WriteUp
Writeups for interesting and educational challenges from Killer Queen CTF 2021.
Read[OSINT CTF] xINT CTF 2021 Writeup (AVTOKYO 2021)
A writeup covering the interesting problems and the ones I learned the most from at xINT CTF 2021.
Read[Reversing Writeup] Infinity Gauntlet (ångstromCTF 2021)
This time, I'm writing a writeup for Infinity Gauntlet, the challenge I learned the most from among the problems I managed to solve.
ReadTruth about Pi Writeup and Notes [TSG LIVE! 6 CTF]
The web challenge Truth about Pi from TSG LIVE! 6 CTF taught me a lot, so I wrote up both the solution and the notes I took while learning from it.
ReadLearning ARM Assembly through CTF
Learning ARM assembly through the ARMssembly series of Reversing challenges in picoCTF 2021.
Readfirmware Writeup (Reversing) [SECCON Beginners CTF 2021]
From among the Reversing challenges, I will write a brief writeup for the problem called "firmware."
ReadNotes on Solving a Reversing Challenge with angr Symbolic Execution [WaniCTF2021]
Through the Very Hard reversing challenge "licence," I learned how to use angr, a tool that analyzes complex processing with symbolic execution, so this article looks back on that experience and summarizes how to use angr.
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