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25 lines
856 B
YAML
25 lines
856 B
YAML
title: Suspicious Inbox Forwarding
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id: 6c220477-0b5b-4b25-bb90-66183b4089e8
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status: experimental
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description: Detects when a Microsoft Cloud App Security reported suspicious email forwarding rules, for example, if a user created an inbox rule that forwards a copy of all emails to an external address.
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author: Austin Songer @austinsonger
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date: 2021/08/22
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references:
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- https://docs.microsoft.com/en-us/cloud-app-security/anomaly-detection-policy
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- https://docs.microsoft.com/en-us/cloud-app-security/policy-template-reference
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logsource:
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category: ThreatManagement
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service: m365
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detection:
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selection:
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eventSource: SecurityComplianceCenter
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eventName: "Suspicious inbox forwarding"
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status: success
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condition: selection
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falsepositives:
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- Unknown
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level: low
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tags:
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- attack.exfiltration
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- attack.t1020
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