Clear it in 3 steps
Start the environment
Investigate the target
Submit the flag
All challengesIn 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.
Not started
Hints
Hint 1Show
Inspect image.pgm and identify the target record
Hint 2Show
read pixel LSBs in 8-bit groups until NUL
Hint 3Show
Verify that the reconstructed value has FLAG{...} format