From dankwiki

Yes, it still runs as of 2022, on both amd64 and aarch64 (I have it running on a Raspberry Pi). Grab sources from my fork, which has a few necessary updates.

In xscreensaver

Edit $HOME/.xscreensaver (if no such file exists, generate it by running xscreensaver-demo). Add the path to the electricsheep binary to the list, terminated by the literal sequence "\n\", i.e.:

/usr/local/bin/electricsheep \n\

yes, that's a literal space, backslash, 'n', backslash at the end of the line. don't ask me, mang; i didn't do it.