IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Google Workspace Admin Role Assigned to a User

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Google Workspace Admin Role Assigned to a User

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Assigning the administrative role to a user will grant them access to the Google Admin console and grant them administrator privileges which allow them to access and manage various resources and applications. An adversary may create a new administrator account for persistence or apply the admin role to an existing user to carry out further intrusion efforts. Users with super-admin privileges can bypass single-sign on if enabled in Google Workspace.

Rule type: query

Rule indices:

filebeat-*
logs-google_workspace*

Severity: high

Risk score: 73

Runs every: 10m

Searches indices from: now-130m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

https://support.google.com/a/answer/172176?hl=en

Tags:

Elastic
Cloud
Google Workspace
Continuous Monitoring
SecOps
Identity and Access
Persistence

Version: 102

Rule authors:

Elastic

Rule license: Elastic License v2

Investigation guide

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### Important Information Regarding Google Workspace Event Lag Times
- As per Google's documentation, Google Workspace administrators may observe lag times ranging from minutes up to 3 days between the time of an event's occurrence and the event being visible in the Google Workspace admin/audit logs.
- This rule is configured to run every 10 minutes with a lookback time of 130 minutes.
- To reduce the risk of false negatives, consider reducing the interval that the Google Workspace (formerly G Suite) Filebeat module polls Google's reporting API for new events.
- By default, `var.interval` is set to 2 hours (2h). Consider changing this interval to a lower value, such as 10 minutes (10m).
- See the following references for further information:
  - https://support.google.com/a/answer/7061566
  - https://www.elastic.co/guide/en/beats/filebeat/current/filebeat-module-google_workspace.html

Rule query

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event.dataset:"google_workspace.admin" and event.category:"iam" and event.action:"ASSIGN_ROLE"
  and google_workspace.event.type:"DELEGATED_ADMIN_SETTINGS" and google_workspace.admin.role.name : *_ADMIN_ROLE

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Account Manipulation
- ID: T1098
- Reference URL: https://attack.mitre.org/techniques/T1098/
Sub-technique:
- Name: Additional Cloud Roles
- ID: T1098.003
- Reference URL: https://attack.mitre.org/techniques/T1098/003/

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