18ff85ce84
* [Promote] Expired or Revoked Driver Loaded * Update privilege_escalation_expired_driver_loaded.toml
66 lines
1.9 KiB
TOML
66 lines
1.9 KiB
TOML
[metadata]
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creation_date = "2023/06/26"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/10/23"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies an attempt to load a revoked or expired driver. Adversaries may bring outdated drivers with vulnerabilities
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to gain code execution in kernel mode or abuse revoked certificates to sign their drivers.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Expired or Revoked Driver Loaded"
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references = [
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"https://docs.microsoft.com/en-us/previous-versions/windows/hardware/design/dn653559(v=vs.85)?redirectedfrom=MSDN"
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]
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risk_score = 21
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rule_id = "d12bac54-ab2a-4159-933f-d7bcefa7b61d"
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Privilege Escalation", "Tactic: Defense Evasion", "Data Source: Elastic Defend"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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driver where host.os.type == "windows" and process.pid == 4 and
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dll.code_signature.status : ("errorExpired", "errorRevoked")
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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 = "T1068"
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name = "Exploitation for Privilege Escalation"
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reference = "https://attack.mitre.org/techniques/T1068/"
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[rule.threat.tactic]
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id = "TA0004"
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name = "Privilege Escalation"
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reference = "https://attack.mitre.org/tactics/TA0004/"
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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 = "T1036"
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name = "Masquerading"
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reference = "https://attack.mitre.org/techniques/T1036/"
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[[rule.threat.technique.subtechnique]]
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id = "T1036.001"
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name = "Invalid Code Signature"
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reference = "https://attack.mitre.org/techniques/T1036/001/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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