Flag is in the working directory
http://35.194.175.80:8000
update: You don't need to use fuzzing tools to guess file names, The flag file name is unguessable.
Author: ysc
I love next.js! http://my-first-web.balsnctf.com:3000/
Solidity Automatic Exploit Generation?
try it:
nc aab2596ac4a422a9f803ed317089c399b818bb72.balsnctf.com 30731
Be a King
* Give you a contract bytecode, give me transaction data to be a king.
* Timeout = 10 seconds per challenge.
* You can call isKing() to verify it.