Potentially Suspicious Inline JavaScript Execution through NodeJS Binary (via process_creation)
This rule detects potentially anomalous inline JavaScript execution using Node.js with specific keywords in the command line.
SigmamediumWindowsv1
sigma
potentially-suspicious-inline-javascript-execution-through-nodejs-binary-via-process-creation
title: Potentially Suspicious Inline JavaScript Execution through NodeJS Binary (via process_creation)
id: 25c54364-a0e6-54da-9809-bb344094eb2d
status: stable
description: This rule detects potentially anomalous inline JavaScript execution using Node.js with specific keywords in the command line.
references:
- https://attack.mitre.org/techniques/T1059/007/
- https://www.microsoft.com/en-us/security/blog/2025/04/15/threat-actors-misuse-node-js-to-deliver-malware-and-other-malicious-payloads/
author: Huntrule Team
date: 2026-02-09
tags:
- attack.execution
- attack.t1059.007
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\node.exe'
- OriginalFileName: 'node.exe'
- Product: 'Node.js'
selection_cmd:
CommandLine|contains|all:
- 'http'
- 'execSync'
- 'spawn'
- 'fs'
- 'path'
- 'zlib'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.