#crypto

6 writeups

stacked
ImaginaryCTF · 2025
Reverse Engineering

Return oriented programming is one of the paradigms of all time. The garbled output is `94 7 d4 64 7 54 63 24 ad 98 45 72 35`

#rev #crypto
Midnight Relay - BITSCTF Pwn Writeup
BITS CTF · 2025
Binary Exploitation

---

#pwn #rop #heap #crypto
Writeup — PointerOverflow CTF: A Micromachine (exploit / writeup)
Pointeroverflowctf · 2025
Binary Exploitation

**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
Challenge Overview
Pointeroverflowctf · 2025
Reverse Engineering

**Name:** rev200-1.apk **Category:** Reverse Engineering **Platform:** Android (Kotlin / Java)

#rev #android #crypto
Root-Me – Root-Me's Xmas List (Rev/Crypto) – Write-up
XMAS CTF · 2025
Cryptography

* **Category:** Reverse Engineering / Cryptography * **Target Binary:** `listviewer` (Linux ELF, GTK GUI) * **Extra File:** `dump.pcapng` (Captured network traffic) * **Goal:** Rec

#crypto #ghidra
Favorite Potato — REV CTF Writeup
B01lersctf · 2025
Binary Exploitation

**Flag:** `bctf{Nev3r_underst00d_why_we_n33d_TSX_and_TXS_unt1l_n0w..:D}`

#pwn #crypto