SekaiCTF 2023: A Hackable Unity Implementation of Project Sekai’s Gacha Systemunitygame-hackingreverse-engineeringI created a fully functional, hackable replica of Project Sekai's gacha system for SekaiCTF 2023. This was my design process.Published on views・August 15, 2023
AmateursCTF 2023: Chinese Remainder Theorem, Carnival Games and 2048-bit IntegersprogrammingalgorithmEver wanted to guess an integer that's 617 digits long? Well, I did. Here's how I did it using ancient abacus math (Chinese Remainder Theorem).Published on views・July 24, 2023
WolvCTF 2023: Hunting Down a Flag-Stealing Ransomware Group with OSINTosintcompilationHunting down a flag-stealing ransomware group with the power of OSINT——from Ethereum breadcrumbs to TF2 workshop maps.Published on views・March 17, 2023
MHSCTF 2023: Edmonds’ Blossom Algorithm for Maximum Weighted Matchingprogrammingalgorithmgraph-theoryUtilizing Edmonds’ beautifully crafted “Blossom algorithm” alongside graph theory to maximize weighted matchings.Published on views・February 14, 2023
idekCTF 2022*: “No Moving, Panning, or Zooming”, a GeoGuessr-style OSINT Challengegeointosint"No moving, panning, or zooming" — a GeoGuessr-esque OSINT challenge testing geographical literacy.Published on views・January 15, 2023
SekaiCTF 2022: Forensics Writeup CompilationcompilationforensicsAn organizer-written writeup compilation for selected forensics challenges from the SekaiCTF 2022 capture-the-flag competition.Published on views・November 28, 2022
Hacky Holidays 2022: “Port Authority”, a WebSocket Strategy GameprogrammingwebsocketPlay a JSON-controlled strategy game through WebSocket—this is my writeup for the Hackazon Unlock the City programming challenge "Port Authority."Published on views・July 27, 2022
PicoCTF 2022: Beginner’s Writeup CompilationcompilationLearn how to capture-the-flag with this compilation of in-depth writeups from picoCTF 2022. Covers introductory-level challenges in all categories!Published on views・July 25, 2022
PicoCTF 2022: Buffer Overflow Seriespwnbuffer-overflowLearn how to exploit vulnerable C functions to "stack-smash" executables—this is my writeup for the picoCTF 2022 binary/pwn series "Buffer overflow".Published on views・June 16, 2022
BYUCTF 2022: OSINT CompilationosintcompilationDiscover various pertinent aspects of digital open-source intelligence. This is my OSINT writeup compilation for the BYUCTF 2022 capture-the-flag competition.Published on views・May 28, 2022
Space Heroes CTF: Writeup CompilationcompilationLearn brute-forced format string attacks, blind buffer overflows, and return-oriented programming in this writeup compilation from Space Heroes CTF.Published on views・April 6, 2022