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HoneyMyte APT Campaign Deploys ToneShell via Kernel-Mode Rootkit

HoneyMyte APT Campaign Deploys ToneShell via Kernel-Mode Rootkit

First seen 29 Dec 2025, 18:23 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

The HoneyMyte APT group has developed a new cyberespionage campaign utilizing a malicious kernel-mode driver to deploy the ToneShell backdoor. This driver, signed with a stolen digital certificate, operates as a rootkit to hide the attacker's presence and injects the backdoor into system processes.

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