Performing Gcp Penetration Testing With Gcpbucketbrute

---
name: performing-gcp-penetration-testing-with-gcpbucketbrute
description: Perform GCP security testing using GCPBucketBrute for storage bucket enumeration, gcloud IAM privilege escalation path analysis, and service account permission auditing
tags:
- cloud-pentesting
- iam-audit
- gcpbucketbrute
- gcp
- fetih
- privilege-escalation
- cloud-security
- cybersecurity
- siber-güvenlik
- bucket-enumeration
triggers:
- AWS
- Azure
- GCP
- api
- bulut güvenliği
- cloud
- cloud security
- gcpbucketbrute
- incident
- penetration
- performing
- testing
category: cloud-security
source_subdomain: cloud-security
nist_csf:
- PR.IR-01
- ID.AM-08
- GV.SC-06
- DE.CM-01
adapted_for: fetih
---

# Performing Gcp Penetration Testing with Gcpbucketbrute


## Genel Bakış

bu skill covers Google Cloud Platform security testing using GCPBucketBrute for storage bucket enumeration and access permission testing, combined with gcloud CLI IAM enumeration to identify privilege escalation paths. The approach tests for publicly accessible buckets, overly permissive IAM bindings, and service account key exposure.


## Ne Zaman Kullanılır

- conducting yaparken security assessments that involve performing gcp penetration testing with gcpbucketbrute
- following yaparken: incident response procedures for related security events
- performing yaparken scheduled security testing or auditing activities
- validating yaparken security controls through hands-on testing

## Ön Gereksinimler

- Python 3.8+ with google-cloud-storage library
- GCPBucketBrute installed from RhinoSecurityLabs GitHub
- gcloud CLI authenticated with test credentials
- Authorized penetration testing scope for target GCP project
- google-api-python-client and google-auth libraries

## Adımlar

1. **Enumerate Storage Buckets** — Use GCPBucketBrute with keyword permutations to discover accessible GCP storage buckets
2. **Test Bucket Permissions** — Call TestIamPermissions API on each discovered bucket to Belirle: read/write/admin access levels
3. **Audit IAM Bindings** — Enumerate project-level IAM policies to identify overly permissive role bindings
4. **Check Service Account Keys** — Identify service accounts with user-managed keys and test for privilege escalation via impersonation
5. **Test Privilege Escalation Paths** — Check for iam.serviceAccounts.actAs, setIamPolicy, and other privilege escalation vectors
6. **Generate Bul:ings Report** — Produce a structured security assessment with risk severity ratings

## Expected Output

- JSON report of discovered buckets with permission levels
- IAM privilege escalation path analysis
- Service account security assessment
- Risk-scored Bul:ings with remediation recommendations

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