Windows Subsystem for Linux 2 (WSL2) presents a significant detection gap for cybersecurity professionals, as malicious actions initiated within the Linux environment can be obscured from traditional Windows telemetry. When a WSL2 process writes to the Windows filesystem via the /mnt/c mount, the event is logged under a legitimate system process (DllHost.exe), creating an indirect command execution scenario. This highlights the need for detection logic that focuses on the outcome of suspicious actions rather than solely on the originating process, especially in hybrid environments.
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