GCP Pub/Sub Subscription Creation
Elastic Stack Serverless Security
Identifies the creation of a subscription in Google Cloud Platform (GCP). In GCP, the publisher-subscriber relationship (Pub/Sub) is an asynchronous messaging service that decouples event-producing and event-processing services. A subscription is a named resource representing the stream of messages to be delivered to the subscribing application.
Rule type: query
Rule indices:
- filebeat-*
- logs-gcp*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: None (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- GCP
- Continuous Monitoring
- SecOps
- Log Auditing
Version: 6
Rule authors:
- Elastic
Rule license: Elastic License v2
The GCP Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.dataset:(googlecloud.audit or gcp.audit) and event.action:google.pubsub.v*.Subscriber.CreateSubscription and event.outcome:success
Framework: MITRE ATT&CKTM
Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
Technique:
- Name: Data from Cloud Storage Object
- ID: T1530
- Reference URL: https://attack.mitre.org/techniques/T1530/