Justin Ibarra
0e0b2ea1a4
* Update schema for threshold rule type for 7.12 * add downgrade function to drop new fields * update existing threshold rules
51 lines
1.4 KiB
TOML
51 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2020/12/03"
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maturity = "production"
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updated_date = "2021/03/03"
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[rule]
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author = ["Elastic"]
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description = """
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This rule identifies a high number (10) of process terminations (stop, delete, or suspend) from the same host within a
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short time period. This may indicate a defense evasion attempt.
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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 = "kuery"
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license = "Elastic License v2"
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name = "High Number of Process and/or Service Terminations"
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risk_score = 47
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rule_id = "035889c4-2686-4583-a7df-67f89c292f2c"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion"]
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type = "threshold"
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query = '''
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event.category:process and event.type:start and process.name:(net.exe or sc.exe or taskkill.exe) and
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process.args:(stop or pause or delete or "/PID" or "/IM" or "/T" or "/F" or "/t" or "/f" or "/im" or "/pid")
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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 = "T1562"
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name = "Impair Defenses"
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reference = "https://attack.mitre.org/techniques/T1562/"
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[[rule.threat.technique.subtechnique]]
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id = "T1562.001"
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name = "Disable or Modify Tools"
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reference = "https://attack.mitre.org/techniques/T1562/001/"
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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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[rule.threshold]
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field = ["host.id"]
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value = 10
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