Clear it in 3 steps
Start the environment
Investigate the target
Submit the flag
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Find Secret File in Disk Image
Mission
Inspect the ext4 filesystem disk image `disk.img` and read the hidden secret file from the filesystem to recover the flag.
Not started
Hints
Hint 1Show
List files in the image with debugfs -R 'ls -l' disk.img
Hint 2Show
Look for hidden files (starting with .)
Hint 3Show
Read the file with debugfs -R 'cat .secret_flag.txt' disk.img