Sigma rule: Data Exfiltration to Unsanctioned Apps

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-2e192bf03b02, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Data Exfiltration to Unsanctioned Apps
Status
test
Level
medium
Author
Austin Songer @austinsonger
Date
2021-08-23
Modified
2022-10-09
File
rules/cloud/m365/threat_management/microsoft365_data_exfiltration_to_unsanctioned_app.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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.

Log source

product
m365
service
threat_management

Detection

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

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.exfiltration
  • attack.t1537

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/m365/threat_management/microsoft365_data_exfiltration_to_unsanctioned_app.yml

Sources and licences

  • SigmaHQ

    "Data Exfiltration to Unsanctioned Apps" by Austin Songer @austinsonger (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/m365/threat_management/microsoft365_data_exfiltration_to_unsanctioned_app.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Data Exfiltration to Unsanctioned Apps",
entity page, dataset version ref-2e192bf03b02, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/2b669496-d215-47d8-bd9a-f4a45bf07cda (accessed 2026-11-03).
Underlying source: SigmaHQ rule 2b669496-d215-47d8-bd9a-f4a45bf07cda, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.