Beckhoff TwinCAT versions 2.11.0.2004 and below can be brought down by sending a crafted UDP packet to port 48899 (TCATSysSrv.exe).
47a8fbcae615cfd77bd78922f54ca50e6c686e7627deeb269b32a102f239001e
The 7-Technologies SCADA IGSS Data Server (IGSSdataServer.exe) versions 9.0.0.10306 and below can be brought down by sending a crafted TCP packet to port 12401.
e6cfee02aa9314fcc28746ee6fe6c5a89ca530a6f75e6ee5d8766a45a34e95d8