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Adobe Hijack Persistence

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Adobe Hijack Persistence

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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 query

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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 mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Hijack Execution Flow
- ID: T1574
- Reference URL: https://attack.mitre.org/techniques/T1574/

Rule version history

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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

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