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About
Activity from Suspicious IP Addresses
Original Source:
[Sigma source]
Title:
Activity from Suspicious IP Addresses
Status:
test
Description:
Detects when a Microsoft Cloud App Security reported users were active from an IP address identified as risky by Microsoft Threat Intelligence. These IP addresses are involved in malicious activities, such as Botnet C&C, and may indicate compromised account.
References:
-https://learn.microsoft.com/en-us/defender-cloud-apps/anomaly-detection-policy
-https://learn.microsoft.com/en-us/defender-cloud-apps/policy-template-reference
Author:
Austin Songer @austinsonger
Date:
2021-08-23
modified:
2022-10-09
Tags:
-'attack.command-and-control'
-'attack.t1573'
Logsource:
service: threat_detection
product: m365
Detection:
selection:
eventSource
:
'SecurityComplianceCenter'
eventName
:
'Activity from suspicious IP addresses'
status
:
'success'
condition
:
selection
Falsepositives:
-Unknown
Level:
medium