777 B
777 B
Oreo
The main idea finding the flag is just tweaking the cookies.
Step-1:
After I visited the URL: http://chall.csivit.com:30243/, this web page was shown:
Step-2:
I tried inspecting the element, but it wasn't helpful. So I checked the cookie and got a cookie flavour with value c3RyYXdiZXJyeQ%3D%3D.
Step-3:
It was simple Base64 and I decoded it to get strawberry.
Step-4:
So I got to change the flavor to chocolate as in description. So I encoded chocolate accordingly, to get:
Step-5:
I loaded that base64 encoding Y2hvY29sYXRl as a cookie and refreshed the page to get the flag.
Step-6:
Finally the flag becomes:
csictf{1ick_twi5t_dunk}