Possible Google Cloud Storage Buckets Enumeration (via gcp.audit)
This rule detects when storage bucket is enumerated in Google Cloud.
SigmalowCloudv1
sigma
possible-google-cloud-storage-buckets-enumeration-via-gcp-audit
title: Possible Google Cloud Storage Buckets Enumeration (via gcp.audit)
id: 6f041954-5e33-5694-a3d1-4719c8f0e516
status: stable
description: This rule detects when storage bucket is enumerated in Google Cloud.
references:
- https://cloud.google.com/storage/docs/json_api/v1/buckets
author: Huntrule Team
date: 2026-05-31
tags:
- attack.discovery
- attack.t1619
logsource:
product: gcp
service: gcp.audit
detection:
selection:
gcp.audit.method_name:
- storage.buckets.list
- storage.buckets.listChannels
condition: selection
falsepositives:
- Unknown
level: low
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.