sigma-rules/rules_building_block/execution_wmi_wbemtest.toml

[metadata]
creation_date = "2023/08/24"
integration = ["endpoint", "windows", "system"]
maturity = "production"
updated_date = "2025/03/20"

[rule]
author = ["Elastic"]
building_block_type = "default"
description = """
Adversaries may abuse the WMI diagnostic tool, wbemtest.exe, to enumerate WMI object instances or invoke methods against
local or remote endpoints.
"""
from = "now-119m"
index = [
    "endgame-*",
    "logs-endpoint.events.process-*",
    "logs-system.security*",
    "logs-windows.*",
    "winlogbeat-*",
]
interval = "60m"
language = "eql"
license = "Elastic License v2"
name = "WMI WBEMTEST Utility Execution"
risk_score = 21
rule_id = "d3551433-782f-4e22-bbea-c816af2d41c6"
severity = "low"
tags = [
    "Domain: Endpoint",
    "OS: Windows",
    "Use Case: Threat Detection",
    "Tactic: Execution",
    "Data Source: Elastic Defend",
    "Rule Type: BBR",
    "Data Source: Elastic Endgame",
    "Data Source: Windows Security Event Logs",
]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where host.os.type == "windows" and event.type == "start" and process.name : "wbemtest.exe"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1047"
name = "Windows Management Instrumentation"
reference = "https://attack.mitre.org/techniques/T1047/"


[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"