GCP - App Engine Unauthenticated Enum

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App Engine

For more information about App Engine check:

GCP - App Engine Enum

Brute Force Subdomains

As mentioned the URL assigned to App Engine web pages is <project-uniq-name>.appspot.com and if a service name is used it'll be: <servicename>-dot-<project-uniq-name>.appspot.com.

As the project-uniq-name can be set by the person creating the project, they might be not that random and brute-forcing them could find App Engine web apps exposed by companies.

You could use tools like the ones indicated in:

GCP - Unauthenticated Enum & Access

Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE) Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)

Support HackTricks

• Check the subscription plans!

• Join the 💬 Discord group or the telegram group or follow us on Twitter 🐦 @hacktricks_live.

• Share hacking tricks by submitting PRs to the HackTricks and HackTricks Cloud github repos.