sigmamediumHunting

Data Exfiltration to Unsanctioned Apps

Detects when a Microsoft Cloud App Security reported when a user or IP address uses an app that is not sanctioned to perform an activity that resembles an attempt to exfiltrate information from your organization.

MITRE ATT&CK

T1537

exfiltration

Detection Query

selection:
  eventSource: SecurityComplianceCenter
  eventName: Data exfiltration to unsanctioned apps
  status: success
condition: selection

Author

Austin Songer @austinsonger

Created

2021-08-23

Data Sources

m365threat_management

Platforms

m365

References

Tags

attack.exfiltrationattack.t1537

Raw Content

title: Data Exfiltration to Unsanctioned Apps
id: 2b669496-d215-47d8-bd9a-f4a45bf07cda
status: test
description: Detects when a Microsoft Cloud App Security reported when a user or IP address uses an app that is not sanctioned to perform an activity that resembles an attempt to exfiltrate information from your organization.
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.exfiltration
    - attack.t1537
logsource:
    service: threat_management
    product: m365
detection:
    selection:
        eventSource: SecurityComplianceCenter
        eventName: 'Data exfiltration to unsanctioned apps'
        status: success
    condition: selection
falsepositives:
    - Unknown
level: medium