stegoPromedium

Skeleton (Скелет времени)

hackerlab

Task: Animated GIF with 100 frames and a hint about 'skeleton'. Solution: Frame timing analysis revealed frame 52 with delay=0; image enhancement (contrast stretch, inversion) exposed hidden low-contrast text containing the flag in leetspeak.

imagemagick hidden_text gif_animation frame_extraction image_enhancement contrast_manipulation leetspeak timing_analysis

GIF frame extractionImage enhancement (contrast, scaling, inversion)Frame timing analysisVisual inspection of animation frames

$ ls tags/ techniques/

imagemagick hidden_text gif_animation frame_extraction image_enhancement contrast_manipulation leetspeak timing_analysis

GIF frame extractionImage enhancement (contrast, scaling, inversion)Frame timing analysisVisual inspection of animation frames

Analysis

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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