We created a portal to check your flag. Make sure you got the right flag!
This challenge is very similar to the Flag Checker v1.0, so let’s dive into main.js again.
Since the code is too long, I will not post it here but you can check it here.
The code is obfuscated with JSFuck. There are lots of online websites that decode JSFuck. I used this one during the competition. After we decode it, we get the following code.