HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

Dllhost.EXE Execution Anomaly

Detects a "dllhost" process spawning with no commandline arguments which is very rare to happen and could indicate process injection activity or malware mimicking similar system processes.

Detection logic

Detection requirements

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

Known benign triggers

Unlikely

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
nasbench.medium.com/what-is-the-dllhost-exe-process-actually-running-ef9fe4c19c08	Unclassified	Only this detection cites it
redcanary.com/blog/child-processes/	Security research	3from 2 sources
www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/goofy-guineapig/NCSC-MAR-Goofy-Guineapig.pdf	Unclassified	3

Detection rules

Dllhost.EXE Execution Anomaly

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules