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home / infosec / Bruteforce SSH with Hydra, Ncrack and Medusa

Bruteforce SSH with Hydra, Ncrack and Medusa

26/01/2021 22:17 by Anastasis Vasileiadis

Bruteforce attacks work by testing every possible combination that could be used as a password by the user. To see if the password is correct, check for server response errors.

1 klJZx5nBuBzhgOlSkbeddw - Bruteforce SSH with Hydra, Ncrack and Medusa

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 that you can easily find through the database 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

ssh11 hydra1 - Bruteforce SSH with Hydra, Ncrack and Medusa

To run type

Command: hydra -l root -p ' ' SSH

ssh11 hydra2 - Bruteforce SSH with Hydra, Ncrack and Medusa

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

ssh12 ncrack1 - Bruteforce SSH with Hydra, Ncrack and Medusa

Now export the Ncrack package using the Tar command:

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

ssh12 ncrack2 - Bruteforce SSH with Hydra, Ncrack and Medusa

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

ssh12 ncrack3 - Bruteforce SSH with Hydra, Ncrack and Medusa

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

Mandate: ncrack -p 22 –root root -p ' '

ssh12 ncrack4 - Bruteforce SSH with Hydra, Ncrack and Medusa

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

ssh13 medusa1 - Bruteforce SSH with Hydra, Ncrack and Medusa

Now to export the medusa download package, enter:

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

ssh13 medusa2 - Bruteforce SSH with Hydra, Ncrack and Medusa

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".

ssh13 medusa3 - Bruteforce SSH with Hydra, Ncrack and Medusa

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

Command: medusa -u root -p ' '-h -m ssh

ssh13 medusa5 - Bruteforce SSH with Hydra, Ncrack and Medusa

Bruteforce SSH with Hydra, Ncrack and Medusa was last modified: 26 January, 2021, 11: 31 mm by Anastasis Vasileiadis

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About Us 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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