what the blog says and what the code does are two different things.

For all I know the blog itself is a honey pot. I need to know what the code does before I run it.

>I need to know what the code does before I run it.

its literally code meant to exploit your system. you should be running it in an environment built for that already.

you dont test exploit pocs on your daily driver.

While your at it you can enter your credit card details to see if they've been leaked.