Utilizing the search engine

The Kali Linux tools grouped in this category can be used to collect domain, e-mail address, and document metadata information from the target. These tools use a search engine to do their actions. The advantage of these tools is that they use search engine sites. So, you don't access the target website yourself, instead the search engine site will do that for you. As a result, the target website will not know about your action.

Let us explore several of these tools.


The theharvester tool is an e-mail accounts, username, and hostname/subdomains gathering tool. It collects information from various public sources. As of Version 2.2, the public sources that are supported are as follows:

  • Google
  • Google profiles
  • Bing ...

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