/openctf-challenges

Challenges written for OpenCTF @ Defcon 26.

Primary LanguageCOBOL

This repository contains some challenges written for the OpenCTF competition, hosted at DEFCON.

  • Absence: Polyglot source code challenge.
  • Solenya: Python web challenge.
  • Waldo's Retort: Network and privilege escalation challenge.
  • PC Load Letter: Network and privilege escalation challenge.
  • Rosetta Stone: Obfuscation challenge containing three interlocking puzzles:
    1. Upper: Programmable logic array (PLA) circuit diagrams.
    2. Middle: x86 ASM.
    3. Lower: COBOL.

Some of the documentation could be better, particularly for Rosetta Stone.