Jonhnathan
64 lines
1.7 KiB
TOML
64 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2022/08/29"
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integration = ["system", "windows"]
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maturity = "production"
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updated_date = "2025/05/09"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies first-time modifications to scheduled tasks by user accounts, excluding system activity and machine accounts.
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"""
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false_positives = ["Legitimate scheduled tasks may be created during installation of new software."]
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from = "now-9m"
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index = ["logs-system.security*", "logs-windows.forwarded*", "winlogbeat-*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Unusual Scheduled Task Update"
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references = ["https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4698"]
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risk_score = 21
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rule_id = "a02cb68e-7c93-48d1-93b2-2c39023308eb"
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severity = "low"
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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: Windows Security Event Logs"
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]
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timestamp_override = "event.ingested"
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type = "new_terms"
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query = '''
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event.category: "iam" and event.code: "4702" and
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not winlog.event_data.SubjectUserSid: ("S-1-5-18" or "S-1-5-19" or "S-1-5-20") and
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not user.name : *$
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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 = "T1053"
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name = "Scheduled Task/Job"
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reference = "https://attack.mitre.org/techniques/T1053/"
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[[rule.threat.technique.subtechnique]]
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id = "T1053.005"
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name = "Scheduled Task"
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reference = "https://attack.mitre.org/techniques/T1053/005/"
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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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[rule.new_terms]
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field = "new_terms_fields"
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value = ["host.id", "winlog.event_data.TaskName"]
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[[rule.new_terms.history_window_start]]
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field = "history_window_start"
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value = "now-14d"
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