some years ago a server (maybe a name or signing server) went missing and popped up months or years later in Russia, it was a really strange thing that did some

some years ago a server (maybe a name or signing server) went missing and popped up months or years later in Russia, it was a really strange thing that did some rounds in some security circles and I cannot remember any details or where I would find more information, I'm posting here, once again to see if anyone has any recollection.