Is there a documented case of Oracle suing somebody for using VirtualBox on a company network? They have no way of knowing if it is some private person on a gue

Is there a documented case of Oracle suing somebody for using VirtualBox on a company network? They have no way of knowing if it is some private person on a guest WiFi or if it is used in production. I know Oracle is famously litigious, but I've only heard about this in cases of CAD software. I'm all for being professional and paying for your tools, but it seems VirtualBox is in the class of "haha I'm not paying for that" like TeamViewer and WinRAR.