Google Workspace Application Access Level Modified

testmedium
log source: gcp · google_workspace.adminauthor Bryan Limdate 2024-01-12
01

description

What this is, in brief.

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.

02

tags

attack.persistenceattack.privilege-escalationattack.t1098.003
03

rule source (YAML)

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
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.