Remote DSL ADSL router hack using NMAP in Kali Linux

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In this guide we will use namp to scan a range of IP addresses, from output we will determine which are DSL ADSL Routers and have left their Management ports open to External Network. (again read top section to know which one is a external network). A typical ADSL Router's Management interface is available via following URL:

http://10.0.0.1/

http://192.168.0.1/

http://192.168.1.1/

http://192.168.1.254/
etc.

This is the Management page for DSL ADSL modem router and it's always protected by a password. By default, this password is written below a DSL ADSL modem router in a sticker and they are one of these combinations: Username/Password

admin/admin
admin/password
admin/pass
admin/secret
etc.

A lot of the home users doesn't change this password. Well, that's ok. It doesn't hurt much cause this is only available via a connected device. But what's not OKAY is when users open up their management to the external network. All you need to know what's the Public IP address for your target and just try to access this management page externally.

Installing NMAP

I use Kali Linux which comes with NMAP Preinstalled. If you are using Windows or MAC (or any other flavour of Linux) go to the following website to download and install NMAP.

Linux Installation:

For Ubuntu, Debian or aptitude based system NMAP is usually made available via default repository. Install NMAP using the following command:

sudo apt-get install nmap

For YUM Based systems such as Redhat, CentOS, install via

sudo yum install nmap

For PACMAN based systems such as Arch Linux, install via

sudo pacman -S nmap

Windows Installation:

For Windows Computers, download installer and run the executable. Link: http://nmap.org/dist/nmap-6.46-setup.exe

MAC Installation:

For MAC users, download installer and install Link: http://nmap.org/dist/nmap-6.46.dmg

Official NMAP site

You can read more about NMAP here: http://nmap.org/


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