HOW TO CUT any computer from LAN Network [WIN/LINUX/MAC] tut is included

This is for people who DO NOT have access to the router password, and still want the ability to do this.

WINDOWS

What you need

1. Netcut [http://www.arcai.com/download/netcut.exe)]
2. WinPcap (comes with netcut installer)

Installation

To install netcut, just click the download link above and install it. WinPcap is part of the netcut installer.

How to use it

1. Run netcut as Administrator. If it is your first time running netcut, then it will ask which network card to use. Most people will have one, but if you have more, just use the one that is connected to the same network that the target is on. If it disappears after it is opened, then check your system tray (bottom right). The icon is a picture of little blue scissors.

2. Once it is opened and you selected the correct network card, wait until the network is refreshed. It could take a minute or so, and the box on the left will fill up with IPs of computers on the network. The right box holds your router IP.


3. Select the computer that you would like to cut off (it should turn blue). Press the button that says "Cut off (Ready)".


It works, if the little computer next to the IP that says "On" should turn to "Off".
To turn the target's network back on, just select the computer and press "Resume" at the top.


LINUX


What you need

1. Terminal Root Access

Installation

1. To install arpspoof, we just simply type: sudo apt-get install dsniff

How to use it

1. Make sure arpspoof is installed by typing: sudo arpspoof

If the command is not found then make sure dsniff is installed.

2. To cut the computer, type: sudo arpspoof -i INTERFACE -t TARGET ROUTER

The interface is the network interface. For Wi-Fi, it is probably eth0. The target is the IP of the target computer and the router is the IP of the router. 


An example: 
sudo arpspoof -i eth0 -t 192.168.11.XXX 192.168.11.1


MAC


What you need

1. Xcode Command Line Tools
2. MacPorts [http://macports.org/install.php]
3. Terminal Root Access



Installation

1. Install Xcode. It is free from the Mac App Store. Once it is installed, go to terminal and type:

xcode-select --install

It will ask if you would like to install Command Line Tools. Click "Allow" or "Accept", or whatever the button to confirm.

2. Install MacPorts. Make sure MacPorts is installed.

Type: sudo port

It should say something like "Entering interactive mode..." If it says that, then just type

quit

to exit. If it is NOT installed, then restart your Mac and then try to install it again.

3. To install the arpspoof command, we need to install a program that has arpspoof built in to it. We need to install "dsniff". To install dsniff,
 

type: sudo port install dsniff

THIS SHOULD FAIL. If it doesn't then skip to HOW TO USE IT. Now, because of the weird dependencies, we need to run 2 more commands.

Run: sudo port uninstall libnids

Once that finishes, run code: sudo port install libnids +libnet


How to use it

1. Make sure arpspoof is installed by

typing: sudo arpspoof

If the command is not found then make sure dsniff is installed.

2. To cut the computer, type:

sudo arpspoof -i INTERFACE -t TARGET ROUTER

The interface is the network interface. For Wi-Fi, it is probably en0. The target is the IP of the target computer and the router is the IP of the router.


An example:
sudo arpspoof -i en0 -t 192.168.11.xxx 192.168.11.1


As always, this tutorial is for educational purpose only. The main purpose is to keep the readers stay informed about these vulnerabilities. 

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