Kali Linux Tutorial: Information Gathering Using TheHarvester

kali-linux-theharvester-tutorial- picateshackz.com

Today we will learn about Information Gathering using theHarvester in Kali Linux. Good information gathering can make the difference between a successful penetration test and one that has failed to provide maximum benefit to the client. 

Also Read: Practical Tutorial For Best 15 Pentest Tools In Kali Linux 2.0

TheHarvester has been developed in Python by Christian Martorella. It is a tool which provides us information about e-mail accounts, user names and hostnames/subdomains from different public sources like search engines and PGP key server.

This tool is designed to help the penetration tester on an earlier stage; it is an effective, simple and easy to use. The sources supported are:

Google – emails, subdomains

Google profiles – Employee names

Bing search – emails, subdomains/hostnames, virtual hosts

Pgp servers – emails, subdomains/hostnames

LinkedIn – Employee names

Exalead – emails, subdomain/hostnames

New features:

  • Time delays between requests
  • XML results export
  • Search a domain in all sources
  • Virtual host verifier


Let’s get started,

If you are using Kali Linux, open the terminal and type 


If not then it can be easily downloaded from here: https://github.com/laramies/theHarvester

Simply Download and extract it

Provide execute permission to: theHarvester.py by [chmod 755 theHavester.py]

Then simply run ./theharvester


You will see similar to this:

kali-linux-theharvester-tutorial- picateshackz.com

Here I am using kali linux.

Method:1

You can simply use the command 

theHarvester -d [url] -l 300 -b [search engine name]

For example: theHarvester -d sixthstartech.com -l 300 -b google

Which will result as in the screenshot below:

kali-linux-theharvester-tutorial- picateshackz.com

Method:2

To get all the information about the website u can use the command as:

theHarvester -d sixthstartech.com -l 300 -b all

Which will result as:

kali-linux-theharvester-tutorial- picateshackz.com

Method:3

To save the result in HTML file you can use –f option followed by a file name,

Example:

theHarvester.py -d sixthstartech.com -l 300 -b all -f test

kali-linux-theharvester-tutorial- picateshackz.com

The result in HTML File:

kali-linux-theharvester-tutorial- picateshackz.com

That’s it and hoped this helped you!!

Thank you.

Also Read:

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