IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [8.4] ›Detections and alerts ›Prebuilt rule reference

Suspicious Child Process of Adobe Acrobat Reader Update Service

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Suspicious Child Process of Adobe Acrobat Reader Update Service

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Detects attempts to exploit privilege escalation vulnerabilities related to the Adobe Acrobat Reader PrivilegedHelperTool responsible for installing updates. For more information, refer to CVE-2020-9615, CVE-2020-9614 and CVE-2020-9613 and verify that the impacted system is patched.

Rule type: query

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: high

Risk score: 73

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
  • macOS
  • Threat Detection
  • Privilege Escalation

Version: 2 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 8.4.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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Trusted system or Adobe Acrobat Related processes.

Rule query

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event.category:process and event.type:(start or process_started) and
process.parent.name:com.adobe.ARMDC.SMJobBlessHelper and
user.name:root and not process.executable:
(/Library/PrivilegedHelperTools/com.adobe.ARMDC.SMJobBlessHelper or
/usr/bin/codesign or
/private/var/folders/zz/*/T/download/ARMDCHammer or
/usr/sbin/pkgutil or /usr/bin/shasum or
/usr/bin/perl* or /usr/sbin/spctl or
/usr/sbin/installer)

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 2 (8.4.0 release)
  • Formatting only
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