ShellNET is a newly disclosed backdoor/malware family attributed to the threat actor group 'Cavalry Werewolf' that targeted the Russian government, signaling a modern espionage operation using bespoke tooling.
ShellNET is a newly disclosed backdoor/malware family attributed to the threat actor group 'Cavalry Werewolf' that targeted the Russian government, signaling a modern espionage operation using bespoke tooling. Its discovery underscores the ongoing use of novel backdoors in state-sponsored cyber campaigns and the persistent threat to governmental networks.
In July 2025, the Cavalry Werewolf group executed a cyberattack on a Russian government organization. The attack utilized a phishing campaign to distribute a new backdoor known as BackDoor, as well as another backdoor…