shashank-elastic
102 lines
4.0 KiB
TOML
102 lines
4.0 KiB
TOML
[metadata]
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creation_date = "2020/11/15"
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integration = ["endpoint", "windows"]
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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 a persistence mechanism that utilizes the NtSetValueKey native API to create a hidden (null terminated)
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registry key. An adversary may use this method to hide from system utilities such as the Registry Editor (regedit).
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*", "endgame-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via Hidden Run Key Detected"
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references = [
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"https://github.com/outflanknl/SharpHide",
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"https://github.com/ewhitehats/InvisiblePersistence/blob/master/InvisibleRegValues_Whitepaper.pdf",
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]
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risk_score = 73
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rule_id = "a9b05c3b-b304-4bf9-970d-acdfaef2944c"
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setup = """
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2,
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events will not define `event.ingested` and default fallback for EQL rules was not added until version 8.2.
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Hence for this rule to work effectively, users will need to add a custom ingest pipeline to populate
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`event.ingested` to @timestamp.
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For more details on adding a custom ingest pipeline refer - https://www.elastic.co/guide/en/fleet/current/data-streams-pipeline-tutorial.html
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"""
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severity = "high"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence", "Tactic: Defense Evasion", "Tactic: Execution", "Data Source: Elastic Endgame", "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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/* Registry Path ends with backslash */
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registry where host.os.type == "windows" and /* length(registry.data.strings) > 0 and */
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registry.path : ("HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"HKU\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"HKLM\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"HKLM\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\",
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"HKU\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\",
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"\\REGISTRY\\MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\",
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"\\REGISTRY\\USER\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"\\REGISTRY\\MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"\\REGISTRY\\MACHINE\\Software\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\",
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"\\REGISTRY\\USER\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\",
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"\\REGISTRY\\MACHINE\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run\\")
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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 = "T1547"
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name = "Boot or Logon Autostart Execution"
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reference = "https://attack.mitre.org/techniques/T1547/"
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[[rule.threat.technique.subtechnique]]
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id = "T1547.001"
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name = "Registry Run Keys / Startup Folder"
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reference = "https://attack.mitre.org/techniques/T1547/001/"
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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.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1106"
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name = "Native API"
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reference = "https://attack.mitre.org/techniques/T1106/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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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 = "T1112"
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name = "Modify Registry"
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reference = "https://attack.mitre.org/techniques/T1112/"
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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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