Early last week, the final results for the Magnet Weekly CTF were revealed on a Zoom call, and by pure luck I leapt to the top of the list. I guess those 6 custom artifacts helped a bit in the last few days of 2020. Sidenote, the Custom Artifact challenge just recently started, so partake if you can!
A big shout out to all the competitors that battled for 12 weeks across many different OS platforms, it was truly a great learning experience. And it came with some awesome first place swag too, check it out!
As a grand prize gesture, the fine folks at Magnet had one last challenge up their sleeve for me. One of the prizes was a cryptex. If you've never seen one it was prominently feature in the Tom Hank's movie The Da Vinci Code.
- "what-do-you-think.jpg" file didn't have a preview and wouldn't open in a regular image viewer
- "One Last Step" file didn't have an extension and was 500 MB large, much bigger than everything else on the drive
Using ExifTool we can see that there was a text layer added, as found in the XMP metadata for the picture: