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 [8.8] ›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:

  • logs-endpoint.events.*

Severity: high

Risk score: 73

Runs every: 5m

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

Maximum alerts per execution: 100

References:

Tags:

  • Domain: Endpoint
  • OS: macOS
  • Use Case: Threat Detection
  • Tactic: Privilege Escalation
  • Use Case: Vulnerability
  • Data Source: Elastic Defend

Version: 105

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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event.category:process and host.os.type:macos 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 or
                           /usr/bin/csrutil)

Framework: MITRE ATT&CKTM

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