Bruteforce SSH with Hydra, Ncrack and Medusa

Bruteforce attacks work by testing every possible combination that could be used as access by the user. To see if the password is correct or not, check for any errors in the response from the server.

The tools we will use for SSH bruteforce are:

  1. HYDRA
  2. NCRACK
  3. MEDUSA

Now to bruteforce anywhere you need a good list of dictionaries which you can easily find through the base security Packet storm .

1) Bruteforce using Hydra

To install Hydra on a Kali Linux computer, type the following command:

Command: apt-get install hydra hydra-gtk

To run type

2) Bruteforce using Ncrack

The Ncrack is a little harder to use than the Hydra, but it is more powerful than all the other tools. To download Ncrack, command:

Command: wget https://nmap.org/ncrack/dist/ncrack-0.5.tar.gz

Now export the Ncrack package using the Tar command:

Command: tar -xvzf ncrack-0.5.tar.gz

Now we have to configure and compile this ncrack by typing the commands " ./configure "," make " and " make install ".

To use Ncrack, type the following command in your terminal:

Mandate:

3) Bruteforce using Medusa

Medusa is another popular bruteforcing tool that lets you easily find the SSH password of any remote machine.

To download Medusa on Kali Linux, type the following command:

Command: wget http://www.foofus.net/jmk/tools/medusa-2.0.tar.gz

Now to export the medusa download package, enter:

Command: tar -xvzf medusa-2.0.tar.gz

Now after exporting the files, the next step we will do is to configure the tool by typing the commands: “./Configure”, “make” and "Make install".

To run Medusa, type the following command in your terminal:

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Written by Anastasis Vasileiadis

Translations are like women. When they are beautiful they are not faithful and when they are faithful they are not beautiful.

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