HighSigmaHQ Nasreddine Bencherchali (Nextron Systems)

Potentially Suspicious Office Document Executed From Trusted Location

Detects the execution of an Office application that points to a document that is located in a trusted location. Attackers often used this to avoid macro security and execute their malicious code.

Detection logic

Detection requirements

Platform: 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

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
techcommunity.microsoft.com/t5/microsoft-365-blog/new-security-hardening-policies-for-trusted-documents/ba-p/3023465	Unclassified	Only this detection cites it
twitter.com/Max_Mal_/status/1633863678909874176	Social post	Only this detection cites it
twitter.com/_JohnHammond/status/1588155401752788994	Social post	Only this detection cites it

Detection rules

Potentially Suspicious Office Document Executed From Trusted Location

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules