Execution of File with One Character in the Name

This query detects execution of files with one character in the name (e.g, a.exe, 7.ps1, g.vbs etc.). Normally files that are executed have more characters in the name and this can indicate a malicious file.

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: securityevents windowssecurityevents
Log source service: securityevent

Detection rules

Execution of File with One Character in the Name

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules