[TUTORIAL] 404 Not Found Download Private Shell

Hello when we got the admin access we need to upload shell. After uploading shell we can index deface of a website, server rooting, cpanel cracking etc. There are manyphp shell like C99, R57 etc. One of the best and secure shell is 404 not found private shell. Without password you can't open it. So if you upload shell in a server without you none can use it.
So what is it?

You can find this shell from here.

TUTORIAL

How To Use Shell?

After uploading shell when you open the shell link you can find a page like this:

After move your mouse cursor and fix it when it get a box for giving a password.

After giving the password you will get the shell access.

You can change the password from shell. Find out a line like $auth_pass = "900150983cd24fb0d6963f7d28e17f72"; and from here you can change the password and it must be in hash form.

By default password: abc