Node Process Executions — Sigma Rule

Rule metadata and linked tags

Author: Max Altgelt (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-04-06 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 2280e5f1b2e8bad3a7314cb85476216653cf485c60115909b4783e8db987b7a4

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Node Process Executions
id: df1f26d3-bea7-4700-9ea2-ad3e990cf90e
status: test
description: Detects the execution of other scripts using the Node executable packaged with Adobe Creative Cloud
references:
    - https://twitter.com/mttaggart/status/1511804863293784064
author: Max Altgelt (Nextron Systems)
date: 2022-04-06
tags:
    - attack.execution
    - attack.stealth
    - attack.t1127
    - attack.t1059.007
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\Adobe Creative Cloud Experience\libs\node.exe'
    filter:
        CommandLine|contains: 'Adobe Creative Cloud Experience\js' # Folder where Creative Cloud's JS resources are located
    condition: selection and not filter
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://twitter.com/mttaggart/status/1511804863293784064