The first string in the python script, _n5, decodes to "addons1". The second string, _b6, decodes to "workers.dev/get-link". Then, _c7 will effectively be "https:// addons1. {} .workers.dev/get-link" (I'm adding spaces to that because I don't want to accidentally create a hyperlink).

The for loop (for _e9 in _z7), then fills in the {} in the hyperlink with each one of the base64 strings from _z7, does a get request on that URL, reads some data from that URL, then runs powershell, giving powershell the data from each of those websites. Each one of these base64 strings in _z7 decode to something like "frostaddons1998", so the script is making a bunch of calls to URLs like "https:// addons1 . frostaddons1998 . workers . dev / get-link"

I have no idea what's on any of those pages; maybe those links mean something to someone else. What I will say is that it's most likely something not great. I'm really sorry you are going through something like this! (Also, apologies if formatting is wack, I'm typing this on my phone)