Brent Murphy
627610401c
* update azure indicies * remove . in index to match prior cloud rules * update o365 indicies * add event.dataset:google_workspace.admin to existing google workspace rules * gcp syntax * add gcp index * update gcp index * update index patterns for google workspace rules * update gcp index2 * update updated_date * update event outcome for azure Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
50 lines
1.5 KiB
TOML
50 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2020/09/01"
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maturity = "production"
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updated_date = "2020/12/15"
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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"
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name = "Azure Conditional Access Policy Modified"
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note = "The Azure Filebeat module must be enabled to use 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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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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