Mshta Making Network Connectionsedit

Identifies Mshta.exe making outbound network connections. This may indicate adversarial activity as Mshta is often leveraged by adversaries to execute malicious scripts and evade detection.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: medium

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100


  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Defense Evasion

Version: 3 (version history)

Added (Elastic Stack release): 7.10.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

sequence by process.entity_id with maxspan=2h [process where
event.type in ("start", "process_started") and :
"mshta.exe" and not :
"Microsoft.ConfigurationManagement.exe" and not
(process.parent.executable : "C:\\Amazon\\Amazon
Assistant\\amazonAssistantService.exe" or
process.parent.executable : "C:\\TeamViewer\\TeamViewer.exe") and
not process.args : "ADSelfService_Enroll.hta"] [network where : "mshta.exe"]

Threat mappingedit


Rule version historyedit

Version 3 (7.12.0 release)
  • Formatting only
Version 2 (7.11.0 release)
  • Formatting only