Justin Ibarra
53 lines
1.6 KiB
TOML
53 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2020/09/01"
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maturity = "production"
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updated_date = "2021/05/10"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies when an Azure Conditional Access policy is modified. Azure Conditional Access policies control access to
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resources via if-then statements. For example, if a user wants to access a resource, then they must complete an action
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such as using multi-factor authentication to access it. An adversary may modify a Conditional Access policy in order to
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weaken their target's security controls.
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"""
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from = "now-25m"
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index = ["filebeat-*", "logs-azure*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Azure Conditional Access Policy Modified"
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note = """## Config
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The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
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references = ["https://docs.microsoft.com/en-us/azure/active-directory/conditional-access/overview"]
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risk_score = 47
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rule_id = "bc48bba7-4a23-4232-b551-eca3ca1e3f20"
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severity = "medium"
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tags = ["Elastic", "Cloud", "Azure", "Continuous Monitoring", "SecOps", "Configuration Audit"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.dataset:(azure.activitylogs or azure.auditlogs) and
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(
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azure.activitylogs.operation_name:"Update policy" or
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azure.auditlogs.operation_name:"Update policy"
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) and
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event.outcome:(Success or success)
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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 = "T1098"
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name = "Account Manipulation"
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reference = "https://attack.mitre.org/techniques/T1098/"
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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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