Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
26 lines
815 B
YAML
26 lines
815 B
YAML
title: Microsoft 365 - Potential Ransomware Activity
|
|
id: bd132164-884a-48f1-aa2d-c6d646b04c69
|
|
status: test
|
|
description: Detects when a Microsoft Cloud App Security reported when a user uploads files to the cloud that might be infected with ransomware.
|
|
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: austinsonger
|
|
date: 2021-08-19
|
|
modified: 2022-10-09
|
|
tags:
|
|
- attack.impact
|
|
- attack.t1486
|
|
logsource:
|
|
service: threat_management
|
|
product: m365
|
|
detection:
|
|
selection:
|
|
eventSource: SecurityComplianceCenter
|
|
eventName: 'Potential ransomware activity'
|
|
status: success
|
|
condition: selection
|
|
falsepositives:
|
|
- Unknown
|
|
level: medium
|