Pointeroverflowctf
2025
Writeup — PointerOverflow CTF: A Micromachine (exploit / writeup)
**Challenge:** A Micromachine — read-only device/OTP/flag combined challenge (web / queuer helper). **Target:** get `/app/public/playlist.txt` to contain `/flag/flag.txt` content.
#pwn #crypto
POCTF — Through a Glass Darkly (rev300-1) — Write-up
Goal: recover the correct flag string.
#rev
Challenge Overview
**Name:** rev200-1.apk **Category:** Reverse Engineering **Platform:** Android (Kotlin / Java)
#rev #android #crypto