Potential Arbitrary Code Execution Via Node.EXE
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
Detection logic
selection_main
Image|endswith: \node.exe
CommandLine|contains:
- " -e "
- " --eval "selection_action_reverse_shell
CommandLine|contains|all:
- .exec(
- net.socket
- .connect
- child_processCondition
selection_main and 1 of selection_action_*Raw YAML
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: highFalse positives
- Unlikely