2023

Updating Blog with chatGPT
ReDoS: Attacks using regexp
Android App Reverse Engineering Part 4: Dynamic Analysis with Frida
Android App Reverse Engineering Part 3: Monitoring App Packets
Android App Reverse Engineering Part 2: Modifying Smali Code
Android App Reverse Engineering Part 1: Decompiling and Rebuilding APKs
Preparation Experience for Japan's FE and SG Exams for Zero-Day Japanese Beginners
LINE CTF 2023 Notes
DiceCTF 2023 Notes
Intigriti 0123 Challenge Writeup - Second Order MongoDB JS Injection
Is it meaningful to encrypt passwords when calling APIs on the website frontend?

2022

Summary of CTF Web Frontend and JS Challenges in 2022
RCTF 2022 Notes
Notes on Several CTF Challenges Related to Web and JS
Hack.lu CTF 2022 Notes
SekaiCTF 2022 Notes and Concurrent Limit
SekaiCTF 2022 - safelist writeup
Stealing Data with CSS - CSS Injection (Part 2)
Stealing Data with CSS - CSS Injection (Part 1)
Who pollutes your prototype? Find the libs on cdnjs in an automated way