IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
PsExec Network Connectionedit
Identifies use of the SysInternals tool PsExec.exe making a network
connection. This could be an indication of lateral movement.
Rule indices:
- winlogbeat-*
Severity: low
Risk score: 21
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum signals per execution: 100
Tags:
- Elastic
- Windows
Rule version: 1
Added (Elastic Stack release): 7.6.0
Potential false positivesedit
PsExec is a dual-use tool 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
process.name:PsExec.exe and event.action:"Network connection detected (rule: NetworkConnect)"
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Service Execution
- ID: T1035
- Reference URL: https://attack.mitre.org/techniques/T1035/
-
Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
-
Technique:
- Name: Service Execution
- ID: T1035
- Reference URL: https://attack.mitre.org/techniques/T1035/