#android
2 writeups
Challenge Overview
Pointeroverflowctf · 2025
**Name:** rev200-1.apk **Category:** Reverse Engineering **Platform:** Android (Kotlin / Java)
#rev #android #crypto
weird-app
ImaginaryCTF 2025 · 2025 · Jul 5, 2025
Android APK that applies a position-dependent substitution over letters/digits/specials. Invert it in Python.
#android #apk #jadx #substitution
easy