The page source contained another comment:
<!-- token is stored in the image EXIF -->
The homepage ( / ) returned a simple HTML page that loaded JavaScript from /static/app.js and a handful of images from /static/img/ . The page source revealed a hidden comment:
. The site uses a tag-based system for content categorization and recently experienced accessibility issues requiring specific configurations to access content. Further, it is frequently accessed through specialized image downloaders and tools that require active login credentials. For more details, visit allthefallen.org . GitHub +5 AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 6 sites Booru.allthefallen.moe not working #3524 - GitHub Sep 7, 2025 —
The landing page displayed a list of thumbnails and a search box. No obvious “flag” was visible, but the title “more” hinted that there was “something more” hidden behind the interface.
# 4️⃣ Pull the hidden image URL hidden=$(grep -oP '(?<=src=")/static/img/[^"]+\.jpg' more.html)
boru_block_survive
# 1️⃣ Grab a random thumbnail to extract the token thumb=$(curl -s "$BASE/" | grep -oP '(?<=src=")/static/img/[^"]+\.jpg' | head -n1)
curl -s -o hidden_flag.jpg "https://booru.allthefallen.more/static/img/hidden_flag.jpg"