Potential Arbitrary Code Execution Via Node.EXE


Description

Detects the execution node.exe which is shipped with multiple software such as VMware, Adobe...etc. In order to execute arbitrary code. For example to establish reverse shell as seen in Log4j attacks...etc

Query · sigma

selection_main:
  Image|endswith: \node.exe
  CommandLine|contains:
  - ' -e '
  - ' --eval '
selection_action_reverse_shell:
  CommandLine|contains|all:
  - .exec(
  - net.socket
  - .connect
  - child_process
condition: selection_main and 1 of selection_action_*

Known false positives

  • Unlikely
Raw source Potential Arbitrary Code Execution Via Node.EXE · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Potential Arbitrary Code Execution Via Node.EXE
id: 6640f31c-01ad-49b5-beb5-83498a5cd8bd
status: test
description: Detects the execution node.exe which is shipped with multiple software such as VMware, Adobe...etc. In order to execute arbitrary code. For example to establish reverse shell as seen in Log4j attacks...etc
references:
    - http://blog.talosintelligence.com/2022/09/lazarus-three-rats.html
    - https://www.sprocketsecurity.com/resources/crossing-the-log4j-horizon-a-vulnerability-with-no-return
    - https://www.rapid7.com/blog/post/2022/01/18/active-exploitation-of-vmware-horizon-servers/
    - https://nodejs.org/api/cli.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-09
modified: 2023-02-03
tags:
    - attack.execution
    - attack.stealth
    - attack.t1127
logsource:
    category: process_creation
    product: windows
detection:
    selection_main:
        Image|endswith: '\node.exe'
        CommandLine|contains:
            - ' -e '
            - ' --eval '
    # Add more pattern of abuse as actions
    selection_action_reverse_shell:
        CommandLine|contains|all:
            - '.exec('
            - 'net.socket'
            - '.connect'
            - 'child_process'
    condition: selection_main and 1 of selection_action_*
falsepositives:
    - Unlikely
level: high

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.