HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

PSEXEC Remote Execution File Artefact

Detects creation of the PSEXEC key file. Which is created anytime a PsExec command is executed. It gets written to the file system and will be recorded in the USN Journal on the target system

Detection logic

Detection requirements

Platform: ESXi Linux macOS Windows
The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.
Log source product: windows
Log source category: file_event

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
aboutdfir.com/the-key-to-identify-psexec/	Unclassified	Only this detection cites it
twitter.com/davisrichardg/status/1616518800584704028	Social post	Only this detection cites it

Detection rules

PSEXEC Remote Execution File Artefact

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules