PsExec Network Connectionedit

Identifies use of the SysInternals tool PsExec.exe making a network connection. This could be an indication of lateral movement.

Rule type: query

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


  • Elastic
  • Windows

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

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 and event.action:"Network connection detected
(rule: NetworkConnect)"

Threat mappingedit


Rule version historyedit

Version 2 (7.7.0 release)

Updated query, changed from: and event.action:"Network connection detected
(rule: NetworkConnect)"