Step 1
Search for the flag string in the raw disk image
Try this step on your own first. Reveal more only when you're stuck.
Guided walkthrough
Disk, disk, sleuth!
Solve it yourself, one step at a time. Each step starts with a nudge. Reveal a hint, the full step, or the deeper explanation only when you actually need it.
Step 1 of 1
That's every step. Now go capture the flag yourself.
Want the whole solution at once? View the full writeup.