shashank-elastic
55 lines
1.7 KiB
TOML
55 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2022/09/14"
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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 = "2022/09/14"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies multiple consecutive login failures targeting an user account from the same source address and within a
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short time interval. Adversaries will often brute force login attempts across multiple users with a common or known
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password, in an attempt to gain access to accounts.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-system.auth-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential SSH Brute Force Detected"
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risk_score = 47
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rule_id = "1c27fa22-7727-4dd3-81c0-de6da5555feb"
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severity = "medium"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Credential Access"]
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type = "eql"
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query = '''
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sequence by host.id, source.ip, user.name with maxspan=10s
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[authentication where event.action in ("ssh_login", "user_login") and
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event.outcome == "failure" and source.ip != null and source.ip != "0.0.0.0" and source.ip != "::" ] with runs=10
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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 = "T1110"
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name = "Brute Force"
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reference = "https://attack.mitre.org/techniques/T1110/"
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[[rule.threat.technique.subtechnique]]
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id = "T1110.001"
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name = "Password Guessing"
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reference = "https://attack.mitre.org/techniques/T1110/001/"
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[[rule.threat.technique.subtechnique]]
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id = "T1110.003"
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name = "Password Spraying"
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reference = "https://attack.mitre.org/techniques/T1110/003/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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