IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Persistence via Login or Logout Hook Persistence via Microsoft Outlook VBA »
Elastic Docs ›Elastic Security Solution [7.11] ›Detections and Alerts ›Prebuilt rule reference

Persistence via Microsoft Office AddIns

edit

Persistence via Microsoft Office AddIns

edit

Detects attempts to establish persistence on an endpoint by abusing Microsoft Office add-ins.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*
  • winlogbeat-*

Severity: high

Risk score: 71

Runs every: 5 minutes

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

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Persistence

Version: 2 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.11.2

Rule authors: Elastic

Rule license: Elastic License

Rule query

edit
file where event.type != "deletion" and
wildcard(file.extension,"wll","xll","ppa","ppam","xla","xlam") and
wildcard(file.path,
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Word\\Startup\\*",
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\AddIns\\*",
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*")

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 2 (7.11.2 release)
  • Formatting only
« Persistence via Login or Logout Hook Persistence via Microsoft Outlook VBA »