Potential Unquoted Service Path Reconnaissance Via Wmic.EXE — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-06-20 / 2023-09-11.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 97a8477e738c39747b81a777c9326c12b17df8bacf068537d0e3017c041a4984

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: Potential Unquoted Service Path Reconnaissance Via Wmic.EXE
id: 68bcd73b-37ef-49cb-95fc-edc809730be6
related:
    - id: 09658312-bc27-4a3b-91c5-e49ab9046d1b # PowerShell Variant
      type: similar
    - id: 76f55eaa-d27f-4213-9d45-7b0e4b60bbae
      type: similar
status: test
description: Detects known WMI recon method to look for unquoted service paths using wmic. Often used by pentester and attacker enumeration scripts
references:
    - https://github.com/nccgroup/redsnarf/blob/35949b30106ae543dc6f2bc3f1be10c6d9a8d40e/redsnarf.py
    - https://github.com/S3cur3Th1sSh1t/Creds/blob/eac23d67f7f90c7fc8e3130587d86158c22aa398/PowershellScripts/jaws-enum.ps1
    - https://www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-20
modified: 2023-09-11
tags:
    - attack.execution
    - attack.t1047
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - OriginalFileName: 'wmic.exe'
        - Image|endswith: '\WMIC.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' service get '
            - 'name,displayname,pathname,startmode'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_wmic_recon_unquoted_service_search/info.yml

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/nccgroup/redsnarf/blob/35949b30106ae543dc6f2bc3f1be10c6d9a8d40e/redsnarf.py
• https://github.com/S3cur3Th1sSh1t/Creds/blob/eac23d67f7f90c7fc8e3130587d86158c22aa398/PowershellScripts/jaws-enum.ps1
• https://www.absolomb.com/2018-01-26-Windows-Privilege-Escalation-Guide/