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LowSigmaHQAustin Songer @austinsonger

Google Cloud Storage Buckets Enumeration

Detects when storage bucket is enumerated in Google Cloud.

Detection logic

Detection requirements

Log source product
gcp
Log source service
gcp_audit

Known benign triggers

  • Storage Buckets being enumerated 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 enumerated from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.

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