The Russian state-sponsored APT28 threat group is using a custom variant of the open-source Covenant post-exploitation framework for long-term espionage operations. Researchers at cybersecurity ...

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Ransomware threat actors tracked as Velvet Tempest are using the ClickFix technique and legitimate Windows utilities to deploy the DonutLoader malware and the CastleRAT backdoor.

Dubbed InstallFix by Push Security, the scheme inserts instructions to download malware during the Claude Code install process on cloned websites.