Detectionmediumexperimental
Potentially Suspicious Inline JavaScript Execution via NodeJS Binary
Detects potentially suspicious inline JavaScript execution using Node.js with specific keywords in the command line.
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Launch
Microsoft, Swachchhanda Shrawan Poudel (Nextron Systems)Created Mon Apr 218537c866-072e-460d-bfff-aaf39cbd73d3windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
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_*False Positives
Legitimate scripts using Node.js with these modules
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
8537c866-072e-460d-bfff-aaf39cbd73d3
Status
experimental
Level
medium
Type
Detection
Created
Mon Apr 21
Path
rules/windows/process_creation/proc_creation_win_susp_inline_node_js_execution.yml
Raw Tags
attack.executionattack.t1059.007