Visual Studio NodejsTools PressAnyKey Renamed Execution — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems). Source status: test; severity: medium. Source dates: 2023-04-11 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 044c4ee09bb62fa498516c6f481c7103ee9446f6e35af0b8da448080c323815b

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Visual Studio NodejsTools PressAnyKey Renamed Execution
id: 65c3ca2c-525f-4ced-968e-246a713d164f
related:
    - id: a20391f8-76fb-437b-abc0-dba2df1952c6
      type: similar
status: test
description: Detects renamed execution of "Microsoft.NodejsTools.PressAnyKey.exe", which can be abused as a LOLBIN to execute arbitrary binaries
references:
    - https://twitter.com/mrd0x/status/1463526834918854661
    - https://gist.github.com/nasbench/a989ce64cefa8081bd50cf6ad8c491b5
author: Nasreddine Bencherchali (Nextron Systems), Florian Roth (Nextron Systems)
date: 2023-04-11
tags:
    - attack.execution
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        OriginalFileName: 'Microsoft.NodejsTools.PressAnyKey.exe'
    filter_main_legit_name:
        Image|endswith: '\Microsoft.NodejsTools.PressAnyKey.exe'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://twitter.com/mrd0x/status/1463526834918854661
• https://gist.github.com/nasbench/a989ce64cefa8081bd50cf6ad8c491b5