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Detectionmediumtest

Activity from Anonymous IP Addresses

Detects when a Microsoft Cloud App Security reported when users were active from an IP address that has been identified as an anonymous proxy IP address.

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Austin SongerCreated Mon Aug 23Updated Sun Oct 09d8b0a4fe-07a8-41be-bd39-b14afa025d95cloud
Log Source
Microsoft 365threat_management
ProductMicrosoft 365← raw: m365
Servicethreat_management← raw: threat_management
Detection Logic
Detection Logic1 selector
detection:
    selection:
        eventSource: SecurityComplianceCenter
        eventName: 'Activity from anonymous IP addresses'
        status: success
    condition: selection
False Positives

User using a VPN or Proxy

References
1
Resolving title…
learn.microsoft.com
2
Resolving title…
learn.microsoft.com
MITRE ATT&CK
Rule Metadata
Rule ID
d8b0a4fe-07a8-41be-bd39-b14afa025d95
Status
test
Level
medium
Type
Detection
Created
Mon Aug 23
Modified
Sun Oct 09
Author
Austin Songer
Path
rules/cloud/m365/threat_management/microsoft365_activity_from_anonymous_ip_addresses.yml
Raw Tags
attack.command-and-controlattack.t1573
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