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Google Dorking Guide
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⚠️ Legal Notice
Google Dorking is legal as long as you're only passively viewing public search results.
However:
- Accessing, exploiting, or modifying resources without permission is illegal
- Always use it within a bug bounty, authorized pentest, or your own infrastructure
Google Dorking, also known as Google Hacking, is the practice of using advanced search operators on Google to extract specific or sensitive information from public web resources.
This technique can reveal:
- Exposed confidential files
- Public admin interfaces
- Leaked credentials
- Misconfigured servers
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Why is Google Dorking powerful?
Because Google indexes everything it can access: PDFs, logs, databases, admin panels, backups… If it's public, it can be found.
For example:
intitle:"index of" "backup.zip"
This will look for directory listings containing a file named backup.zip.
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Key Google Operators
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Real-world Dork Examples
- Exposed environment files:
filetype:env "DB_PASSWORD"
- Admin interfaces:
intitle:"login" inurl:admin
- Open directories:
intitle:"index of" "backup"
- Public logs:
ext:log site:example.com
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Use my tool
To make dorking easier and more accessible, I built a tool: dork.julez.cat
The code is open-source and available on GitHub
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Features:
- Pre-built dorks presets
- Instant query preview
- Search by filetype, keywords, and domain
- Easy copy & paste
- No login, no tracking
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Defensive Measures
If you maintain a website, here’s how to reduce your exposure:
- Block indexing via
robots.txt:
User-agent: *
Disallow: /admin/
Disallow: /config/
Disallow: /backup/
⚠️ Note: While
robots.txttells search engines not to index certain paths, it is publicly accessible and can unintentionally expose the structure of your site.
For example, listing/backup/or/admin/inrobots.txtmay reveal sensitive directories to attackers.
Avoid disclosing private paths unless strictly necessary, and always combine this with proper access controls (e.g., authentication, IP filtering).
- Never store sensitive credentials in publicly accessible files
- Protect internal folders with strong authentication
- Regularly audit your domain using your own dorks
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📌 Conclusion
Google Dorking is a powerful recon technique for both red teamers and defenders.
It allows you to:
- Uncover misconfigurations,
- Reveal exposed assets,
- Audit your own infrastructure.
Always stay ethical and legal.