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blue-team-tools/rules/cloud/gcp/gcp_bucket_modified_or_deleted.yml
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2021-11-14 10:54:14 +01:00

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YAML

title: Google Cloud Storage Buckets Modified or Deleted
id: 4d9f2ee2-c903-48ab-b9c1-8c0f474913d0
description: Detects when storage bucket is modified or deleted in Google Cloud.
author: Austin Songer @austinsonger
status: experimental
date: 2021/08/14
references:
- https://cloud.google.com/storage/docs/json_api/v1/buckets
logsource:
product: gcp
service: gcp.audit
detection:
selection:
gcp.audit.method_name:
- storage.buckets.delete
- storage.buckets.insert
- storage.buckets.update
- storage.buckets.patch
condition: selection
level: medium
tags:
- attack.impact
falsepositives:
- Storage Buckets being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
- Storage Buckets modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.