LoFP LoFP / trusted system or adobe acrobat related processes.

Techniques

Sample rules

Suspicious Child Process of Adobe Acrobat Reader Update Service

Description

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.

Detection logic

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)