OverTheWire - Natas - Level 4 → Level 5

Warning: This post contains a solution!

Only continue if:
1.) you want to see a possible alternative solution or
2.) you are stuck and need a hint!

Login using given credentials.

Username: natas5
Password: iX6Ixxxxxxxxxxxxxxxxxxxxxxxxxxxx
URL:      http://natas5.natas.labs.overthewire.org

The message on the page is:

Access disallowed. You are not logged in

Intercepting the request using Burp shows, that there is a cookie value called loggedin=0. Changing this value to 1 and repeating the request is enough to solve this level.

Access granted. The password for natas6 is aGoYxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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