Suspicious WMIC XSL Script Executionedit

Identifies WMIC allowlist bypass techniques by alerting on suspicious execution of scripts. When WMIC loads scripting libraries it may be indicative of an allowlist bypass.

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): 8.1.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

sequence by process.entity_id with maxspan = 2m [process where
event.type in ("start", "process_started") and ( :
"WMIC.exe" or : "wmic.exe") and
process.args : ("format*:*", "/format*:*", "*-format*:*") and not
process.command_line : "* /format:table *"] [library where event.type
== "start" and : ("jscript.dll", "vbscript.dll")]

Threat mappingedit


Rule version historyedit

Version 3 (8.1.0 release)
  • Formatting only
Version 2 (7.12.0 release)
  • Updated query, changed from:

    sequence by process.entity_id with maxspan=2m [process where
    event.type in ("start", "process_started") and ( :
    "WMIC.exe" or == "wmic.exe") and
    wildcard(process.args, "format*:*", "/format*:*", "*-format*:*") and
    not wildcard(process.command_line, "* /format:table *")] [library
    where event.type == "start" and in ("jscript.dll",