Username: natas2
Password: h4ubbcXrWqsTo7GGnnUMLppXbOogfBZ7
URL: <http://natas2.natas.labs.overthewire.org>
There seems to be nothing in this page. Lets search.
<img src="files/pixel.png">
We find that the files folder not only had pixel.png file but also users.txt file
When we visit users.txt our password for the level 3 is one of the user.
Password: G6ctbMJ5Nb4cbFwhpMPSvxGHhQ7I6W8Q