LowSigmaHQ frack113

PowerShell Script Dropped Via PowerShell.EXE

Detects PowerShell creating a PowerShell file (.ps1). While often times this behavior is benign, sometimes it can be a sign of a dropper script trying to achieve persistence.

Detection logic

Detection requirements

Log source product: windows
Log source category: file_event

Known benign triggers

False positives will differ depending on the environment and scripts used. Apply additional filters accordingly.

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
www.zscaler.com/blogs/security-research/onenote-growing-threat-malware-distribution	Unclassified	6

Detection rules

PowerShell Script Dropped Via PowerShell.EXE

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules