Mika Ayenson
a52751494e
* Convert config header to setup in note field * Parse note field into separate setup and note field with marko gfm * only validate and parse note on elastic authored rules and add CLI description for new DR_BYPASS_NOTE_VALIDATION_AND_PARSE environment variable Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
55 lines
1.9 KiB
TOML
55 lines
1.9 KiB
TOML
[metadata]
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creation_date = "2020/08/13"
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maturity = "production"
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updated_date = "2022/03/31"
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[rule]
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author = ["Elastic"]
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description = """
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Detects the creation or modification of a new Group Policy based scheduled task or service. These methods are used for
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legitimate system administration, but can also be abused by an attacker with domain admin permissions to execute a
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malicious payload remotely on all or a subset of the domain joined machines.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Creation or Modification of a new GPO Scheduled Task or Service"
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note = """## Setup
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
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"""
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risk_score = 21
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rule_id = "c0429aa8-9974-42da-bfb6-53a0a515a145"
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severity = "low"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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file where event.type != "deletion" and
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file.path : ("?:\\Windows\\SYSVOL\\domain\\Policies\\*\\MACHINE\\Preferences\\ScheduledTasks\\ScheduledTasks.xml",
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"?:\\Windows\\SYSVOL\\domain\\Policies\\*\\MACHINE\\Preferences\\Preferences\\Services\\Services.xml") and
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not process.name : "dfsrs.exe"
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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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