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detections/cloud/o365_bec_email_hiding_rule_created.yml

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@@ -7,6 +7,7 @@ author: '0xC0FFEEEE, Github Community'
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status: production
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type: TTP
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description: This analytic detects mailbox rule creation, a common technique used in Business Email Compromise. It uses a scoring mechanism to identify a combination of attributes often featured in mailbox rules created by attackers. This may indicate that an attacker has gained access to the account.
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data_source: []
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search: |-
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`o365_management_activity` Workload=Exchange Operation IN ("New-InboxRule", "Set-InboxRule")
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| stats min(_time) as firstTime, max(_time) as lastTime, values(Operation) as Operation, latest(Name) as Name, latest(MarkAsRead) as MarkAsRead, latest(MoveToFolder) as MoveToFolder by object_id user
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type: signature
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analytic_story:
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- Office 365 Account Takeover
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data_source: []
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asset_type: O365 Tenant
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mitre_attack_id:
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- T1564.008

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