Footprinting Using Advanced Google Hacking Techniques

A Google Dork, also known as Google Dorking or Google hacking, is a valuable resource for security researchers. For the average person, Google is just a search engine used to find text, images, videos, and news. However, in the infosec world, Google is a useful hacking tool.

How would anyone use  Google to hack websites?

Since Google has incredible web-crawling skills, it can index practically anything on your website, including sensitive data, even though you can’t directly hack websites using it. This implies that without even realizing it, you could be disclosing too much information about your web technology, usernames, passwords, and general weaknesses.

In other words: Google “Dorking” is the practice of using Google to find vulnerable web applications and servers by using native Google search engine capabilities.

Unless you block specific resources from your website using a robots.txt file, Google indexes all the information that is present on any website. Logically, after some time any person in the world can access that information if they know what to search for. You can also access the Google Hacking Database (GHDB) which is the full Google dork list containing all Google dorking commands.

Important note: while this information is publicly available on the Internet, and it is provided and encouraged to be used by Google on a legal basis, people with the wrong intentions could use this information to harm your online presence.

Be warned that when you do this type of query, Google also knows who you are. It is encouraged to utilize it exclusively for good purposes, whether for your own research or when looking for strategies to protect your website from this kind of vulnerability, for this reason and many others.

While some webmasters expose sensitive information on their own, this doesn’t mean it’s legal to take advantage of or exploit that information. If you do so you’ll be marked as a cybercriminal. It’s pretty easy to track your browsing IP, even if you’re using a VPN service. It’s not as anonymous as you think. 

Footprint Using Advanced Google Hacking Techniques 

  • Query String: Google hacking refers to creating complex search queries in order to extract sensitive or hidden information.
  • Vulnerable Targets: It helps attackers to find vulnerable targets.
  • Google Operators: It uses advanced Google search operators to locate specific strings of text within the search results.

Google Advance Search Operators 

Google supports several advanced operators that help in modifying the search:

  • [cache:] Displays the web pages stored in the Google cache
  • [link:] Lists web pages that have links to the specified web page
  • [related:] Lists web pages that are similar to a specified web page
  • [info:] Presents some information that Google has about a particular web page
  • [site:] Restricts the results to those websites in the given domain
  • [allintitile:] Restricts the results to those websites with all of the search keywords in the title
  • [intitle:] Restricts the results to documents containing the search keyword in the title
  • [allinurl:] Restricts the results to those with all of the search keywords in the URL
  • [inurl:] Restricts the results to documents containing the search keyword in the URL

Google Hacking Databases

  • Use Google Advanced Search option to find sites that may link back to the target company’s website.
  • This may extract information such as partners, vendors, clients, and other affiliations for target website.
  • With Google Advanced Search option, you can search web more precisely and accurately

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