Registry Persistence via AppInit DLLedit

Attackers may maintain persistence by creating registry keys using AppInit DLLs. AppInit DLLs are loaded by every process using the common library, user32.dll.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-windows.*

Severity: medium

Risk score: 47

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: 3 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

registry where registry.path : ("HKLM\\SOFTWARE\\Microsoft\\Windows
NT\\CurrentVersion\\Windows\\AppInit_Dlls") and not
process.executable : ("C:\\Windows\\System32\\msiexec.exe",
"C:\\Program Files\\Commvault\\ContentStore*\\Base\\cvd.exe",
"C:\\Program Files (x86)\\Commvault\\ContentStore*\\Base\\cvd.exe")

Threat mappingedit


Rule version historyedit

Version 3 (7.12.0 release)
  • Formatting only
Version 2 (7.11.2 release)
  • Formatting only