Link : http://natas1.natas.labs.overthewire.org/
Natas 1 screen :
Here is something interesting , you can't right click the page , an alternative for this is using CTRL+U.
Natas 1 source code :
So the password for Natas 2 is : ZluruAthQk7Q2MqmDeTiUij2ZvWy2mBi