Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
All challenges
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Extract Secrets from Docker Image Layers
Mission
The startup-generated `image/` directory is a `docker save`-style image layer layout. Analyze its `layer.tar` files and recover the secret file that a later-layer whiteout removed from the final filesystem view.
Hints
Hint 1 Show
Inspect each layer.tar of the docker save-style image one by one
Hint 2 Show
A later layer contains a .wh. whiteout (deletion marker); the file appears gone in the flattened image
Hint 3 Show
That deleted file still physically exists in an earlier layer's layer.tar, and holds the flag