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Check origin GCP project

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carlospolop
2025-06-10 14:33:27 +02:00
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34
src/pentesting-cloud/gcp-security/gcp-unauthenticated-enum-and-access/gcp-api-keys-unauthenticated-enum.md
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@@ -18,9 +18,39 @@ The regex is: **`AIza[0-9A-Za-z_-]{35}`**
Search it for example in Github following: [https://github.com/search?q=%2FAIza%5B0-9A-Za-z\_-%5D%7B35%7D%2F\&type=code\&ref=advsearch](https://github.com/search?q=%2FAIza%5B0-9A-Za-z_-%5D%7B35%7D%2F&type=code&ref=advsearch)
### Check origin GCP project - `apikeys.keys.lookup`
### Check origin GCP project
This is extremely useful to check to **which GCP project an API key that you have found belongs to**:
This is extremely useful to check to **which GCP project an API key that you have found belongs to**. We have different options:
- Contact `https://www.googleapis.com/identitytoolkit/v3/relyingparty/getProjectConfig?key=<api-key`
For the sake of brevity the output was truncated, but in the complete output the project ID appears more than 5 times
```bash
curl -s "https://www.googleapis.com/identitytoolkit/v3/relyingparty/getProjectConfig?key=AIzaSyD[...]uE8Y"
{
"error": {
"code": 403,
"message": "Identity Toolkit API has not been used in project 943955951114 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/identitytoolkit.googleapis.com/overview?project=943955951114 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.",
[...]
```
- Contact `https://www.googleapis.com/identitytoolkit/v3/relyingparty/getProjectConfig?key=<api-key`
For the sake of brevity the output was truncated, but in the complete output the project ID appears more than 5 times
```bash
curl -s "https://identitytoolkit.googleapis.com/v1/projects?key=AIzaSyD[...]uE8Y"
{
"error": {
"code": 403,
"message": "Identity Toolkit API has not been used in project 943955951114 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/identitytoolkit.googleapis.com/overview?project=943955951114 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.",
[...]
```
- [This one no longer works!] `apikeys.keys.lookup`
```bash
# If you have permissions