HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

AppX Located in Known Staging Directory Added to Deployment Pipeline

Detects an appx package that was added to the pipeline of the "to be processed" packages that is located in a known folder often used as a staging directory.

Detection logic

Detection requirements

Log source product: windows
Log source service: appxdeployment_server

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
learn.microsoft.com/en-us/windows/win32/appxpkg/troubleshooting	Product documentation	9from 2 sources
news.sophos.com/en-us/2021/11/11/bazarloader-call-me-back-attack-abuses-windows-10-apps-mechanism/	Threat report	6
www.sentinelone.com/labs/inside-malicious-windows-apps-for-malware-deployment/	Security research	9

Detection rules

AppX Located in Known Staging Directory Added to Deployment Pipeline

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules