# GCP - Storage Persistence
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## Storage
For more information about Cloud Storage check:
{% content-ref url="../gcp-services/gcp-storage-enum.md" %}
[gcp-storage-enum.md](../gcp-services/gcp-storage-enum.md)
{% endcontent-ref %}
### `storage.hmacKeys.create`
You can create an HMAC to maintain persistence over a bucket. For more information about this technique [**check it here**](../gcp-privilege-escalation/gcp-storage-privesc.md#storage.hmackeys.create).
```bash
# Create key
gsutil hmac create
# Configure gsutil to use it
gsutil config -a
# Use it
gsutil ls gs://[BUCKET_NAME]
```
Another exploit script for this method can be found [here](https://github.com/RhinoSecurityLabs/GCP-IAM-Privilege-Escalation/blob/master/ExploitScripts/storage.hmacKeys.create.py).
### Give Public Access
**Making a bucket publicly accessible** is another way to maintain access over the bucket. Check how to do it in:
{% content-ref url="../gcp-post-exploitation/gcp-storage-post-exploitation.md" %}
[gcp-storage-post-exploitation.md](../gcp-post-exploitation/gcp-storage-post-exploitation.md)
{% endcontent-ref %}
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