This challenge is part of the web section of the RingZer0 CTF and can be found here.
This challenge’s page shows the following:
First thing I did was check the site’s source page but sadly it didn’t give out any flag or any interesting information. So I then took a look at Firefox’s Web Developer Tools.
There I found a flag cookie with a value of 0
(Storage->Cookies->https://ringzer0ctf.com). I then changed its value to 1 and reloaded the page…and voilà the flag is now displayed instead of the previous text!
If you have any questions or remarks don’t hesitate to reach out on discord to therokdaba#9872.
Go back to the homepage of this website.