Running Arachni Web Application Scanner

n00bie
3 min readJun 2, 2020

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Hey guys,
In this blog, we are going to see how to run Arachni, a web application vulnerability scanner, on a linux system.

Arachni:
Arachni is a feature-full, modular, high-performance Ruby framework aimed towards helping penetration testers and administrators evaluate the security of modern web applications. It is free, with its source code public and available for review.

Ok, Lets get started.

First download the Linux package from the site,
www.arachni-scanner.com/download

Downloading Arachni

Download the package according to your Architecture.
If you donot know your architecture and you are on a Linux system use the command

uname -a

Then open a terminal and navigate to where you have downloaded it. And you can now extract the contents using the command

tar -zvxf arachni-1.5.1-0.5.12-linux-x86_64.tar.gz
Extracting the Archive

After this you would have a directory in the name of Arachni-version.no, thats where everything is, lets move on and check into it.

ls
cd arachni-1.5.1-0.5.12
Arachni Contents

It has a bin directory where it would have all the binaries. Lets move to that directory and see how we can launch the scanner.

cd bin
ls
Arachni Binaries

There seems to be a variety of ways to launch the tool, we see that there is a a Web version of it, for ease of use lets run it.

./arachni_web
Running arachni

This starts a server and we can browse to it using the browser, you can use any browser. If you have port forwarding set up, you can use it remotely too.

Opening the Link that was provided

It asks for credentials, that we don’t have. It also mentions to see the wiki for default credentials.
https://www.github.com/Arachni/arachni-ui-web/wiki#default-credentials
You find the default credentials there.

Default Credentials

using the Administrator credentials, we can login.

email : admin@admin.admin
password : administrator
Arachni after login

From there you could start scanning from the Scans navigation button.
I recommend to change the credentials as soon as you login.

Thanks for reading.
Hope you learned something. Happy Scanning.

If you have any problems, please watch this video

https://www.youtube.com/watch?v=XeEll-VWXyg&t=46s

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n00bie
n00bie

Written by n00bie

just a n00b exploring technology and things

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