> For the complete documentation index, see [llms.txt](https://vulnableone.gitbook.io/vulnableone/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vulnableone.gitbook.io/vulnableone/offensive-treasure/red-team/reconnaissance/search-open-websites-domains/search-engines.md).

# Search Engines

Adversaries may use search engines to collect information about victims that can be used during targeting. Search engine services typically crawl online sites to index context and may provide users with specialized syntax to search for specific keywords or specific types of content (i.e. filetypes).

### Search Engine

```basic
Google:        https://www.google.com/
yandex:        https://yandex.com/
duckduckgo:    https://duckduckgo.com/
baidu:         https://www.baidu.com/
Bing:          https://www.bing.com/
```

### Search Engine Dork

```basic
Bing Search:             https://help.bing.microsoft.com/#apex/bing/en-us/10001/-1

DuckDuckGo:              https://help.duckduckgo.com/duckduckgo-help-pages/results/syntax/
                         
Google Dork:             https://docs.google.com/document/d/1ydVaJJeL1EYbWtlfj9TPfBTE5IBADkQfZrQaBZxqXGs/edit
                         https://www.google.com/advanced_search
                         https://www.stationx.net/google-dorks-cheat-sheet/
                         https://www.googleguide.com/print/adv_op_ref.pdf
                         https://ahrefs.com/blog/google-advanced-search-operators/
                         
Google Hacking DB:       https://www.exploit-db.com/google-hacking-database
```

### Additional Search

* [ivre.rocks](https://ivre.rocks/)
* [zoomeye.hk](https://www.zoomeye.hk/)
* [leakix.net](https://leakix.net/)
* [vulners.com](https://vulners.com/)


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://vulnableone.gitbook.io/vulnableone/offensive-treasure/red-team/reconnaissance/search-open-websites-domains/search-engines.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.