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Maltego Dorking with Search Engine Transforms Using Bing

Table of Contents

Dorking is a way of using search engies to their full capacity and finding specific information that does not show up through simple search queries.

purpose of dorking

Most of us make use of the practice of Dorking, commonly known as Google Dorking, when applying OSINT. Some loath it but know it has to be used at some stage, and others cannot operate without it. In theory, it is not only applicable to the Google search engine, but also to Bing, Yandex and others. This brings us to Maltego.

Maltego provides a number of search engine Transforms that make use of the Bing API. These Transforms return the search results of Bing for a given input query. In this tutorial, we will be demonstrating how you can use certain search attributes to significantly increase the relevance of returned results or narrow down the search focus in Maltego.

How Does Maltego Dorking with Bing Work? 🔗︎

maltego dorking works with seven entities

Maltego Dorking works with several Entities. In this example, we will demonstrate Dorking with the Phrase Entity.

Using the Phrase Entity, we search for the term “cisco” using the To Website [using Search Engine] Transform. With the results setting set to maximum, we get the following:

Maltego Dorking with Phrase Entities

The results are a lot to deal with, even if compared to the 220 million results for the same simple search in Google or the 58 million results in Bing. If we explode the collections box in Maltego, we would have to work through the results to find relevancy to whatever research or investigation we may be doing at the time.

A nice thing the results have, is a number of associated websites/sub-domains, which is great information for blue teams or pentesters.

Increase Search Result Relevance with Quoted Search Terms 🔗︎

Increase Search Result Relevance with Quoted Search Terms in Maltego

One way to increase search result relevance is to add quotation marks around the search terms. Especially useful for phrase searches, this ensures that the search engine only searches or filters for a specific word or sentence, meaning a result is only returned when the words or sentences appear as an exact match.

If we use the quoted search terms “cisco” and “Chuck Robbins” (the CEO of Cisco), Maltego returns the following results:

Use quoted search terms

Yes, it did increase the number of results to 397, which means more individual results to comb through. However, working through the results, it is surprising how accurate they all are. The reason for this is that as Bing puts together the two terms — “cisco” and “Chuck Robbins”— it only returns content containing both terms.

To illustrate, let us conduct a search for the website www[.]fin2me[.]com and use the Transform To URLs [show Search Engine results] to extract the articles we may be looking for from said website.

Checking relevance level by extracting URLs

The Transform extracts the two articles from the website which match Cisco and its CEO Chuck Robbins. To confirm relevance, we can simply look at Maltego’s snippet window in the Detail View, which shows that we are on the right track.

Checking URL detail

That was easy enough. While Maltego has done most of the heavy lifting already, there is a lot more analysis that Maltego can help us with.

Next, we repeat the same process for the terms, “cisco” and “confidential”:

Searching confidential content on website

The extracted URLs contain links to documents or information that may have been classified as confidential, which is excellent data for anyone performing anything from blue to red to black teaming, not to mention the bad guys.

Extract Specific Search Types using Search Operators in Maltego

For Maltego to return only search results in a specific format following the previous process, we must include a search operator. Different to a search term, a search operator is a string of characters used in a search query to narrow the focus of the search.

For example, looking specifically for PDF documents, we input the search operator “filetype:pdf” and run that search again using the To Website [using Search Engine] Transform:

Using search operator to find specific file types

Now, using the URL extraction on the same site as above (www[.]s2[.]q4cdn[.]com) will provide those URLs containing only PDF files:

Extracting URL from search results

Now, we select both URL Entities, right-click to call out the Context Menu, and change them to Document Entities using the Action bar below:

Changing Entity Types in Maltego

The result should look like this:

URL Entities changed into Document Entities in Maltego

Selecting both Document Entities, we run the Parse meta information Transform, which performs similarly to FOCA or metagoofil:

Parse Meta Information from Document Entities in Maltego

Whoa, how long would this take in real time!

In just a few minutes, the basis of an attack has been set and we have a person’s name and document titles. This could be used for social engineering, payloads and more. Although we show a small-scale example, it could be escalated into a more serious scenario with some more time invested into getting even better results, which could establish some devastating pivot points against a target.

But wait, we’re not done Dorking just yet.

Return Specific Search Results with Site Operator 🔗︎

Return Specific Search Results with Site Operator in Maltego

Using the “site:operator, we run the same process again. The “site:” operator allows us to see the URLs indexed for a specific website.

Using site operator to see specific websites in Maltego

Not only did this Transform return the site www[.]cisco[.]com, it also returned any other website address containing cisco[.]com that has been indexed by Bing. You could even tackle this again by adding the filetype:pdf operator and the results will contain all the PDF files on the site www[.]cisco[.]com or a variation thereof.

Using the IP Operator Exclusive to Bing 🔗︎

Using the IP Operator Exclusive to Bing in Maltego

The one dork or operator that Bing has that is not supported by Google, is the IP operator. The search on ip:, for example, would result in 297 websites linked to that IP address.

Using the IP Operator Exclusive to Bing in Maltego

Search Social Media Sites with Site Operator in Maltego

This type of Dorking can also be used for searching social media sites, for example: “cisco”

Pair social media sites with regular search terms in Maltego

Lastly, you may want to include a variation of social media platforms in your searches, for which you can use the OR operator e.g. “cisco” OR OR

Use the OR operator to search multiple social media sites in Matlego

While the results may appear to be few, the accuracy of the search has been increased exponentially by using a specific search term of cisco together with the site operator. In addition, as described above, some of the website results could contain a lot of URLs linking to the exact issues we may be searching for. We only need to extract them.

This concludes our brief overview on using the humble dork in Maltego. With this method and technique in mind, the sky is the limit for the online researcher, investigator or anyone from the infosec disciplines.

Infographic: Maltego Dorking Techniques Overview 🔗︎

In this infographic, we summarize the five Maltego Dorking techniques and how to use them. Download this infographic to share with your friends, family, and colleagues!

About the author 🔗︎

Andrew Fordred 🔗︎

Andrew Fordred, a Namibian, previously served as an intelligence officer for the Crime Intelligence Service assigned to the Organised Crime Intelligence Unit of the South African Police. After leaving the police service, he held a number of corporate positions in capacities such as Risk Management, and later, forensic investigations. In 2007, he started his own business providing forensic investigations, intelligence, risk management consultancy, court testimony and litigation support. He completed a forensic investigation degree focusing on forensic intelligence with a qualitative case study of the illegal narcotics trade and syndicates. Currently, he is providing due diligence, cyber intelligence and investigations, cyber security and privacy, and training services to clients with emphasis on open source intelligence, social engineering and the dark web. In addition, he has been a public speaker at events such as the Journey of the Hacker Windhoek Namibia, OSMOSIS 2018 Las Vegas USA and Cyber Threats against Children UNICEF. Reach out to him on Twitter or LinkedIn.

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