Creation or Modification of a new GPO Scheduled Task or Serviceedit

Detects the creation or modification of a new Group Policy based scheduled task or service. These methods are used for legitimate system administration, but can also be abused by an attacker with domain admin permissions to execute a malicious payload remotely on all or a subset of the domain joined machines.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: low

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
  • Persistence

Version: 6 (version history)

Added (Elastic Stack release): 7.10.0

Last modified (Elastic Stack release): 7.16.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

file where event.type != "deletion" and file.path : ("?:\\Windows\\S
duledTasks.xml", "?:\\Windows\\SYSVOL\\domain\\Policies
\\*\\MACHINE\\Preferences\\Preferences\\Services\\Services.xml") and
not : "dfsrs.exe"

Threat mappingedit


Rule version historyedit

Version 6 (7.16.0 release)
  • Formatting only
Version 5 (7.13.0 release)
  • Updated query, changed from:

    event.category:file and not event.type:deletion and file.path:(C\:\\Wi
    ks\\ScheduledTasks.xml or C\:\\Windows\\SYSVOL\\domain\\Policies\\*\\M
    ACHINE\\Preferences\\Preferences\\Services\\Services.xml) and not
Version 4 (7.12.0 release)
  • Formatting only
Version 3 (7.11.2 release)
  • Formatting only
Version 2 (7.11.0 release)
  • Formatting only