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Google_Dorking |
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*** |
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Open Source Intelligence |
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Ver |
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Google_Dorking |
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6/23/24 |
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Home |
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Google_Dorking |
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Google Dorking, also known as Google Hacking,
is a technique that utilizes advanced search operators to uncover information
on the internet that may not be readily available through standard search
queries. |
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IntelTechniques |
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This strategy takes advantage of the features
of Google’s search algorithms to locate specific text strings within search
results. |
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Google_Dorking |
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Notably, while the term “hacking” suggests an
illicit activity, Google Dorking is entirely legal and often used by security
professionals to identify vulnerabilities in their systems. |
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How Does Google Dorking Work? |
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Google Dorking leverages advanced search
operators to refine and pinpoint search results. |
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When combined with keywords or strings, these
operators instruct Google’s search algorithm to search for particular
information. |
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This method can be used to find files of a
particular type, search within a specific website, look for certain keywords
in the title of a web page, or even find pages that link to a particular
URL. |
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The technique exploits the fact that Google
indexes every webpage its crawlers can access, making all information on
those pages accessible to anyone looking for it. |
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While Google Dorking can reveal sensitive
information if it’s publicly accessible, using this technique doesn’t breach
any laws or Google’s terms of service. |
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Different Google Dorking Techniques |
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Google Dorking techniques primarily involve
using specific search operators. Below are some of the most commonly used
methods: |
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1 |
Filetype |
This
operator searches for specific file types. For example, `filetype:pdf` would
return PDF files. |
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2 |
Inurl |
The `inurl:` operator can be used to find
specific words within the URL of a page. For example, `inurl:login` would
return pages with ‘login’ in the URL. |
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3 |
Intext |
With the `intext:` operator, you can search
for specific text within the content of a web page. For example,
`intext:”password”` would yield pages that contain the word “password”. |
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4 |
Intitle |
The `intitle:` operator is used to search for
specific terms in the title of a webpage. For example, `intitle:”index of”`
could reveal web servers with directory listing enabled. |
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5 |
Link |
The `link:` operator can be used to find pages
that link to a specific URL. For example, `link:example.com` would find pages
linking to example.com. |
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6 |
Site |
The `site:` operator allows you to search
within a specific site. For example, `site:example.com` would search within
example.com. |
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Examples of Google Dorking |
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Use Case |
Operator |
Example Usage |
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Searching Within a Specific Website |
`site:` |
`site:nytimes.com cybersecurity` |
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Finding Specific File Types |
`filetype:` |
`filetype:pdf machine learning` |
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Searching for Pages with Specific Titles |
`intitle:` |
`intitle:”data privacy”` |
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Finding Pages that Link to a Specific URL |
`link:` |
`link:bbc.co.uk/news/technology-57339947` |
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Searching for Specific Text on a Web Page |
`intext:` |
`intext:”cyber threat”` |
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The Dangers of Google Dorking |
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While Google Dorking is a potent
information-gathering tool, it can pose significant dangers if misused. |
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The technique can reveal sensitive information
that is unintentionally made public, leading to serious privacy
violations. |
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For instance, a malicious actor could use
Google Dorking to discover unprotected databases, server credentials, or
private documents that were not intended to be publicly accessible. |
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Moreover, Google Dorking can reveal
vulnerabilities in a website’s infrastructure, making it a potential target
for a cyber attack. |
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It’s not uncommon for hackers to use this
technique to identify security gaps, develop exploits, and launch targeted
attacks. |
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Google Dorking can inadvertently aid in data
breaches, identity theft, cyber espionage, and other forms of cybercrime. |
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Additionally, using Google Dorking by
individuals without a clear understanding of the legal and ethical
implications can lead to activities that violate privacy laws or Google’s
terms of service. |
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Therefore, using these techniques responsibly
and ethically is vital, primarily for legitimate research, security auditing,
and information-gathering purposes. |
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How to Prevent Google Dork Infiltration |
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Although Google Dorking can be a helpful tool
for information gathering, it can also be used maliciously to expose
vulnerable information. |
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One can protect their systems from potential
Google Dork infiltration by taking the following steps: |
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1 |
Restrict Information: Avoid sharing sensitive information online. If it’s
essential to share, ensure those files are appropriately protected and not
indexed by search engines. |
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2 |
Implement a Robust
Robots.txt file: The robots.txt file
instructs web robots about which pages on your site to crawl or ignore. |
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Ensure this file is configured correctly to
avoid exposing sensitive directories or files. |
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3 |
Use ‘NoIndex’ and
‘NoFollow’ Tags: These tags tell search
engines not to index certain pages or follow links on specific pages, which
can help protect sensitive data from appearing in search results. |
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4 |
Regularly Conduct
Website Audits: Regular audits can help
identify and fix potential vulnerabilities. Use techniques like Google
Dorking to find exposed information and take corrective measures. |
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5 |
Limit File and
Directory Permissions: Ensure file
permissions are set correctly and restrict access to sensitive directories. |
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Use Security Tools: Implement security tools and firewalls to monitor and
prevent potential attacks. |
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Search Smarter by Dorking |
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we recommend using the Tor Browser or Tails |
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Tactical Tech’s
Security-in-a-Box website includes detailed
guides on how to visit blocked websites and browse anonymously by using the
Tor Browser and VPNs, among others. |
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Security in a Box |
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Most search engines are programmed to accept
more advanced “filters” or “prefix operators” as well. |
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Note: |
Each filter keyword ends with a colon (:) and
is followed by the relevant search term or terms - with no space before or
after the colon! We’ll show a few examples below. |
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Not all “advanced” search techniques rely on
prefix filters like those shown above. |
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Adding quotation marks (“all night pharmacies
in Budapest”, for example) tells most search engines to match an exact
phrase. |
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Placing an all-caps OR between search terms (like pharmacies OR drugstores in
Budapest) tells the search engine to return results with either term. |
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Dork It Yourself |
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Advanced
Search Operators for Yahoo, Bing and Google |
from
Bruce Clay inc. |
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Google hacking |
entry from Wikipedia |
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DuckDuckGo
official search syntax |
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Bing Advanced
Search Tricks |
from Microsoft |
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Google
Search Help |
about refining web searches |
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Google,
Yahoo and Live Search operators |
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DorkDorkGo |
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Our preferred service is DuckDuckGo, which is
a privacy-focused search engine that claims not to collect personal
information about its users and that saves search queries |
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in such
a way that they cannot be attributed to specific users. |
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DuckDuckGo also has a useful feature called
“bang,” which allows you to query other search engines without leaving the
DuckDuckGo website. |
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Bangs |
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bangs |
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Bangs are shortcuts that quickly take you to
search results on other sites. |
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A search for !w filter bubble will
take you directly to Wikipedia. |
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Remember, though, because your search is
actually taking place on that other site, you are subject to that site’s
policies, including its data collection practices. |
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We’ve had bangs since
2008 as part of our geek roots. |
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Now we have thousands of !bangs and you can
even submit your own. |
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For more examples, have a look at Exploit Database’s list
of |
Files
Containing Juicy Info. |
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