Recent Posts

Space Playwright [RE]

5 minute read

Reverse a program written in Shakespeare Programming Language (SPL). Second RE challenge in STANDCON2021.

Ancient Computing [Forensics]

7 minute read

Study and understand a very old file spreadsheet format (WK1 for Lotus 1-2-3), then retrieve data stored in a cell. First forensics challenge from STANDCON20...

Airlock Breakout [RE]

5 minute read

JavaScript flag checking functions solved using z3-solver. First RE challenge from STANDCON 2021.

Take Control [Pwn]

5 minute read

Simple Return Oriented Programming challenge. Second pwn challenge in CDDC2021.

POP IT [Pwn]

2 minute read

Python code injection attack on an echo server. Third pwn challenge in CDDC2021.