Sophisticated backdoor mimicking secure networking software updates

April 22, 2025, 10:50 p.m.

Description

A sophisticated backdoor targeting Russian organizations in government, finance, and industry sectors was discovered masquerading as updates for ViPNet secure networking software. The malware, distributed in LZH archives, exploits a path substitution technique to execute a malicious loader that deploys a versatile backdoor. This backdoor can connect to a C2 server, steal files, and launch additional malicious components. The attack highlights the increasing complexity of APT group tactics and emphasizes the need for multi-layered security defenses to protect against such sophisticated threats.

Date

  • Created: April 22, 2025, 6:02 p.m.
  • Published: April 22, 2025, 6:02 p.m.
  • Modified: April 22, 2025, 10:50 p.m.

Attack Patterns

  • HEUR:Trojan.Win32.Loader.gen

Additional Informations

  • Finance
  • Government
  • Russian Federation