MediumSigmaHQ Nasreddine Bencherchali (Nextron Systems) +2

Use of Pcalua For Execution

Detects execition of commands and binaries from the context of The program compatibility assistant (Pcalua.exe). This can be used as a LOLBIN in order to bypass application whitelisting.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite SaaS 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

Legitimate use by a via a batch script or by an administrator.

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/Binaries/Pcalua/	Tool	2from 2 sources
pentestlab.blog/2020/07/06/indirect-command-execution/	Unclassified	3

Detection rules

Use of Pcalua For Execution

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules