Clear it in 3 steps
-
Start the environment
-
Investigate the target
-
Submit the flag
All challenges
In progress
Programming - Image Steganography
Mission
image.pgm is generated from the FLAG injected at startup. Read pixel LSBs in 8-bit groups until NUL to recover the flag.
Hints
Hint 1 Show
Inspect image.pgm and identify the target record
Hint 2 Show
read pixel LSBs in 8-bit groups until NUL
Hint 3 Show
Verify that the reconstructed value has FLAG{...} format