Sigma rule: Google Workspace Application Access Level Modified

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-d62f7df52ce3, updated 2024-01-12T00:00:00.000Z.

Rule

Title
Google Workspace Application Access Level Modified
Status
test
Level
medium
Author
Bryan Lim
Date
2024-01-12
File
rules/cloud/gcp/gworkspace/admin/gcp_gworkspace_application_access_levels_modified.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects when an access level is changed for a Google workspace application.
An access level is part of BeyondCorp Enterprise which is Google Workspace's way of enforcing Zero Trust model.
An adversary would be able to remove access levels to gain easier access to Google workspace resources.

Log source

product
gcp
service
google_workspace.admin

Detection

selection:
    eventService: 'admin.googleapis.com'
    eventName: 'CHANGE_APPLICATION_SETTING'
    setting_name|startswith: 'ContextAwareAccess'
condition: selection

False positives (as the rule lists them)

  • Legitimate administrative activities changing the access levels for an application

Tags

  • attack.persistence
  • attack.privilege-escalation
  • attack.t1098.003

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/gcp/gworkspace/admin/gcp_gworkspace_application_access_levels_modified.yml

Sources and licences

  • SigmaHQ

    "Google Workspace Application Access Level Modified" by Bryan Lim (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/gcp/gworkspace/admin/gcp_gworkspace_application_access_levels_modified.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: Google Workspace Application Access Level Modified",
entity page, dataset version ref-d62f7df52ce3, updated 2024-01-12T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/22f2fb54-5312-435d-852f-7c74f81684ca (accessed 2026-11-03).
Underlying source: SigmaHQ rule 22f2fb54-5312-435d-852f-7c74f81684ca, 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.