Bandit11
Website URL: http://overthewire.org/wargames/bandit/bandit11.html
Log in to the game server using credentials of bandit10.

Our task for bandit11 says:
The password for the next level is stored in the file data.txt, which contains base64 encoded data
Something new! Let’s have a look inside the file.
cat data.txt

The string we see here is base64 encoded. We can decode it in multiple ways. I’ll use python here.
Let’s open up a python interpreter
python

Using the base64 module, we can decode the given string to obtain the relevant information.
Task completed!