Samirbous
419e5c1ad3
* Update persistence_sysmon_wmi_event_subscription.toml * Update non-ecs-schema.json * Update persistence_sysmon_wmi_event_subscription.toml * Update detection_rules/etc/non-ecs-schema.json * Update pyproject.toml --------- Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
68 lines
2.2 KiB
TOML
68 lines
2.2 KiB
TOML
[metadata]
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creation_date = "2023/02/02"
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integration = ["windows", "endpoint"]
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maturity = "production"
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updated_date = "2024/12/23"
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min_stack_version = "8.15.0"
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min_stack_comments = "Elastic Defend WMI events were added in Elastic Defend 8.15.0."
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[rule]
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author = ["Elastic"]
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description = """
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Detects the creation of a WMI Event Subscription. Attackers can abuse this mechanism for persistence or to elevate to
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SYSTEM privileges.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-windows.sysmon_operational-*", "logs-endpoint.events.api-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Suspicious WMI Event Subscription Created"
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references = [
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"https://www.blackhat.com/docs/us-15/materials/us-15-Graeber-Abusing-Windows-Management-Instrumentation-WMI-To-Build-A-Persistent%20Asynchronous-And-Fileless-Backdoor-wp.pdf",
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"https://medium.com/threatpunter/detecting-removing-wmi-persistence-60ccbb7dff96",
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]
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risk_score = 47
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rule_id = "e72f87d0-a70e-4f8d-8443-a6407bc34643"
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severity = "medium"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Persistence",
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"Data Source: Sysmon",
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"Data Source: Elastic Defend"
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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any where
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(
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(event.dataset == "windows.sysmon_operational" and event.code == "21" and
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winlog.event_data.Operation : "Created" and winlog.event_data.Consumer : ("*subscription:CommandLineEventConsumer*", "*subscription:ActiveScriptEventConsumer*")) or
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(event.dataset == "endpoint.events.api" and event.provider == "Microsoft-Windows-WMI-Activity" and process.Ext.api.name == "IWbemServices::PutInstance" and
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process.Ext.api.parameters.consumer_type in ("ActiveScriptEventConsumer", "CommandLineEventConsumer"))
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)
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1546"
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name = "Event Triggered Execution"
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reference = "https://attack.mitre.org/techniques/T1546/"
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[[rule.threat.technique.subtechnique]]
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id = "T1546.003"
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name = "Windows Management Instrumentation Event Subscription"
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reference = "https://attack.mitre.org/techniques/T1546/003/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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