Most of the servers use either different XOR keys or different encryption functions. Unless you work on it yourself, or at least tell which one do you want to unpack, you won't get much.
This one still works perfectly for old, not modified clients.
Actually, that one is modified by me years ago (with some minor updates regarding one-lining XORs and skipping saweet's editor.
I got offered a single beer for my knowledge, and I still didn't get one /s
In any other case, you have to spare a few more braincells than just run the same script for 10+ years straight and expect it to work everywhere with no updates at all.
edit: my bad, didn't notice the link with 0 B/s transfer and suspicious cryptobullshit. The rest of the post is still on point.