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Newest: 2.0.2
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Active Rule
Potentially Suspicious Inline JavaScript Execution via NodeJS Binary
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potentially Suspicious Inline JavaScript Execution via NodeJS Binary
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Potentially Suspicious Inline JavaScript Execution via NodeJS Binary
id: 8537c866-072e-460d-bfff-aaf39cbd73d3
status: experimental
description: Detects potentially suspicious inline JavaScript execution using Node.js with specific keywords in the command line.
references:
- https://www.microsoft.com/en-us/security/blog/2025/04/15/threat-actors-misuse-node-js-to-deliver-malware-and-other-malicious-payloads/
author: Microsoft (idea), Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-04-21
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:
- Legitimate scripts using Node.js with these modules
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_susp_inline_node_js_execution.yml