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detectionlint / library / spl

O365 Email Receive and Hard Delete Takeover Behavior

splApache-2.0from splunk/security_content

The following analytic identifies when an O365 email recipient receives and then deletes emails related to password or banking/payroll changes within a short period. This behavior may indicate a compromised account where the threat actor is attempting to redirect the victims payroll to an attacker controlled bank account.

02
quality3
fp risk—
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