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Task: find a flag hidden on the 404 error page of a website, which contains a Chrome dino-style jumping game. Solution: analyze the Nuxt.js JavaScript bundle to extract flag characters from the game's collectible items array and reconstruct the flag using CSS ordering rules.

javascript source_code_analysis client_side game 404_page vue nuxt html5_canvas

404_page_inspectionjs_bundle_analysisflag_extraction_from_frontend_code

$ ls tags/ techniques/

javascript source_code_analysis client_side game 404_page vue nuxt html5_canvas

404_page_inspectionjs_bundle_analysisflag_extraction_from_frontend_code

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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