ECW 2023: kaleidoscope (write-up)
kaleidoscope was a hard reverse engineering challenge created for the European Cyber Week CTF 2023 qualifiers, with a focus on Windows-specific mechanisms and VM-based obfuscation.
For the European Cyber Week CTF 2021 Thalium created some challenges in our core competencies: reverse and exploitation. This blog post presents some of the write-ups:
Thalium’s challenges have been less resolved than others. They were not that difficult, but probably a bit more unexpected. A few additional challenges designed by Thalium are: