Hardware Model Reconnaissance Via Wmic.EXE — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: medium. Source dates: 2023-02-14 / not supplied.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 361d378f270b4eaafc6aacb256100faa0b42b0bc57bac3a4413ffa6729db6ed6

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: Hardware Model Reconnaissance Via Wmic.EXE
id: 3e3ceccd-6c06-48b8-b5ff-ab1d25db8c1d
status: test
description: Detects the execution of WMIC with the "csproduct" which is used to obtain information such as hardware models and vendor information
references:
    - https://jonconwayuk.wordpress.com/2014/01/31/wmic-csproduct-using-wmi-to-identify-make-and-model-of-hardware/
    - https://www.uptycs.com/blog/kuraystealer-a-bandit-using-discord-webhooks
author: Florian Roth (Nextron Systems)
date: 2023-02-14
tags:
    - attack.execution
    - attack.t1047
    - car.2016-03-002
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\wmic.exe'
        - OriginalFileName: 'wmic.exe'
    selection_cli:
        CommandLine|contains: 'csproduct'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_wmic_recon_csproduct/info.yml

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://jonconwayuk.wordpress.com/2014/01/31/wmic-csproduct-using-wmi-to-identify-make-and-model-of-hardware/
• https://www.uptycs.com/blog/kuraystealer-a-bandit-using-discord-webhooks