MediumSigmaHQ Nasreddine Bencherchali (Nextron Systems)

ADS Zone.Identifier Deleted By Uncommon Application

Detects the deletion of the "Zone.Identifier" ADS by an uncommon process. Attackers can leverage this in order to bypass security restrictions that make use of the ADS such as Microsoft Office apps.

Detection logic

Detection requirements

Platform: ESXi 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: file_delete

Known benign triggers

Other third party applications not listed.

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
securityliterate.com/how-malware-abuses-the-zone-identifier-to-circumvent-detection-and-analysis/	Unclassified	Only this detection cites it

Detection rules

ADS Zone.Identifier Deleted By Uncommon Application

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules