MediumSigmaHQ Nasreddine Bencherchali (Nextron Systems)

WSL Child Process Anomaly

Detects uncommon or suspicious child processes spawning from a WSL process. This could indicate an attempt to evade parent/child relationship detections or persistence attempts via cron using WSL

Detection logic

Detection requirements

Platform: Linux macOS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: windows
Log source category: process_creation

Known benign triggers

Unknown

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
lolbas-project.github.io/lolbas/OtherMSBinaries/Wsl/	Tool	2from 2 sources
twitter.com/nas_bench/status/1535431474429808642	Social post	Only this detection cites it

Detection rules

WSL Child Process Anomaly

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules