"Sliver v4.2.2 Windows" typically refers to an older version of the Sliver iCloud Bypass tool developed by Apple Tech 752 . While the modern Sliver framework is an open-source red-team platform by Bishop Fox

The SOC lead reviewed the alerts. "Weird—print server rebooted at 2 AM. Probably a patch."

: Sliver was primarily developed for macOS. The Windows versions are often less stable and may require specific environments (like Windows 7 or older .NET frameworks) to function at all.