Adobe Hijack Persistenceedit

Detects writing executable files that will be automatically launched by Adobe on launch.

Rule type: eql

Rule indices:

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

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Persistence

Version: 9 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.13.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule queryedit

file where event.type == "creation" and file.path : ("?:\\Program
Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroCEF\\RdrCEF.exe",
"?:\\Program Files\\Adobe\\Acrobat Reader
DC\\Reader\\AcroCEF\\RdrCEF.exe") and not process.name :
"msiexec.exe"

Threat mappingedit

Framework: MITRE ATT&CKTM

Rule version historyedit

Version 9 (7.13.0 release)
  • Updated query, changed from:

    event.category:file and event.type:creation and file.path:("C:\Program
    Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" or
    "C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe")
    and not process.name:msiexec.exe
Version 8 (7.12.0 release)
  • Formatting only
Version 7 (7.11.2 release)
  • Formatting only
Version 6 (7.11.0 release)
  • Formatting only
Version 5 (7.10.0 release)
  • Formatting only
Version 4 (7.9.1 release)
  • Formatting only
Version 3 (7.9.0 release)
  • Updated query, changed from:

    file.path:("C:\Program Files (x86)\Adobe\Acrobat Reader
    DC\Reader\AcroCEF\RdrCEF.exe" or "C:\Program Files\Adobe\Acrobat
    Reader DC\Reader\AcroCEF\RdrCEF.exe") and event.action:"File created
    (rule: FileCreate)" and not process.name:msiexec.exe
Version 2 (7.6.2 release)
  • Updated query, changed from:

    file.path:("C:\Program Files (x86)\Adobe\Acrobat Reader
    DC\Reader\AcroCEF\RdrCEF.exe" or "C:\Program Files\Adobe\Acrobat
    Reader DC\Reader\AcroCEF\RdrCEF.exe") and event.action:"File created
    (rule: FileCreate)" and not process.name:msiexeec.exe