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Google Workspace Application Access Level Modified

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.

MITRE ATT&CK

T1098.003

persistenceprivilege-escalation

Detection Query

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

Author

Bryan Lim

Created

2024-01-12

Data Sources

gcpgoogle_workspace.admin

Platforms

gcp

References

Tags

attack.persistenceattack.privilege-escalationattack.t1098.003

Raw Content

title: Google Workspace Application Access Level Modified
id: 22f2fb54-5312-435d-852f-7c74f81684ca
status: test
description: |
    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.
references:
    - https://developers.google.com/admin-sdk/reports/v1/appendix/activity/admin-application-settings
    - https://support.google.com/a/answer/9261439
author: Bryan Lim
date: 2024-01-12
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.t1098.003
logsource:
    product: gcp
    service: google_workspace.admin
detection:
    selection:
        eventService: 'admin.googleapis.com'
        eventName: 'CHANGE_APPLICATION_SETTING'
        setting_name|startswith: 'ContextAwareAccess'
    condition: selection
falsepositives:
    - Legitimate administrative activities changing the access levels for an application
level: medium