Challenge

An image of a shipwreck in a river, completely overgrown with mangrove trees.

Approach

  1. Reverse image search (Google Lens / TinEye) immediately surfaces this iconic location.
  2. The ship is the SS Ayrfield, located in Homebush Bay, Sydney, Australia. It became famous as “the floating forest.”
  3. The flag format is boroCTF{vessel_name} in lowercase with underscores.

Flag

boroCTF{ss_ayrfield}