sigmahighHunting

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

MITRE ATT&CK

T1127

defense-evasion

Detection Query

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_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-09-09

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.t1127

Raw Content

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.defense-evasion
    - 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