Possible Computer System Recon Through Wmic.EXE (via process_creation)
This rule detects execution of wmic utility with the "computersystem" flag to obtain information about the machine such as the domain, username, model, etc.
SigmamediumWindowsv1
sigma
possible-computer-system-recon-through-wmic-exe-via-process-creation
title: Possible Computer System Recon Through Wmic.EXE (via process_creation)
id: df9f9206-2560-5c01-b8e0-d414b68cfe86
status: stable
description: This rule detects execution of wmic utility with the "computersystem" flag to obtain information about the machine such as the domain, username, model, etc.
references:
- https://attack.mitre.org/techniques/T1047/
- https://www.microsoft.com/security/blog/2022/09/07/profiling-dev-0270-phosphorus-ransomware-operations/
author: Huntrule Team
date: 2026-04-05
tags:
- attack.discovery
- attack.execution
- attack.t1047
logsource:
product: windows
category: process_creation
detection:
selection_img:
- Image|endswith: '\wmic.exe'
- OriginalFileName: 'wmic.exe'
selection_cli:
CommandLine|contains: 'computersystem'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_wmic_recon_computersystem/info.yml
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.