Incoming Execution via PowerShell Remotingedit
Identifies remote execution via Windows PowerShell remoting. Windows PowerShell remoting allows for running any Windows PowerShell command on one or more remote computers. This could be an indication of lateral movement.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 43
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Lateral Movement
Version: 1
Added (Elastic Stack release): 7.11.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positivesedit
PowerShell remoting is a dual-use protocol that can be used for benign or malicious activity. It’s important to baseline your environment to determine the amount of noise to expect from this tool.
Rule queryedit
sequence by host.id with maxspan = 30s [network where network.direction == "incoming" and destination.port in (5985, 5986) and network.protocol == "http" and source.address != "127.0.0.1" and source.address != "::1" ] [process where event.type == "start" and process.parent.name : "wsmprovhost.exe" and not process.name : "conhost.exe"]
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
-
Technique:
- Name: Remote Services
- ID: T1021
- Reference URL: https://attack.mitre.org/techniques/T1021/