Russia-Aligned Gorbag Hackers Exploit WinRAR Flaw to Deploy Data-Stealing Malware
Summary
A Russia-aligned hacking group named Gorbag has been actively targeting Ukrainian organizations since February 2025, primarily focusing on law enforcement, justice entities, local administrations, and the defense sector. The group has been observed deploying simple information-stealer malware in its attacks.
IFF Assessment
The identified threat actor is engaging in malicious activities against specific targets, posing a risk to cybersecurity defenders.
Defender Context
This activity highlights the ongoing threat of nation-state-aligned actors targeting critical infrastructure and government entities, particularly in conflict zones. Defenders should remain vigilant for campaigns leveraging information-stealer malware and prioritize the security of sensitive data within Ukrainian organizations.