HighSigmaHQ Roberto Rodriguez @Cyb3rWard0g

Potential Remote PowerShell Session Initiated

Detects a process that initiated a network connection over ports 5985 or 5986 from a non-network service account. This could potentially indicates a remote PowerShell connection.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: windows
Log source category: network_connection

Known benign triggers

Legitimate usage of remote PowerShell, e.g. remote administration and monitoring.
Network Service user name of a not-covered localization

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
threathunterplaybook.com/hunts/windows/190511-RemotePwshExecution/notebook.html	Detection test	5

Detection rules

Potential Remote PowerShell Session Initiated

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules