LIGHTRAIL (Malware Family) By Fraunhofer FKIE Archived: 2026-04-05 18:17:08 UTC According to Mandiant, this is a tunneler, likely based on an open-source Socks4a proxy, that communicates using Azure cloud infrastructure. [TLP:WHITE] win_lightrail_auto (20251219 | Detects win.lightrail.) Source: https://malpedia.caad.fkie.fraunhofer.de/details/win.lightrail https://malpedia.caad.fkie.fraunhofer.de/details/win.lightrail Page 1 of 1