Wifi Hacking Course for beginners

setting up the lab

In this chapter, you will learn how to set up the lab for hacking. So,

you may have operation system like Windows, Linux or Mac OS X but for

hacking you need specified operation system like Kali or Backtrack. These

operation systems are created for hacking and penetration testing. They have

support almost all of hacking programs. Good news, these operation systems

are free. In this book, we are going to install and use Kali. These both

operation systems are Linux but there are few differences. When we install

Kali, there will be preinstalled programs that can be used for hacking. Maybe

you think there is a problem that you must install new operation system on

your computer, but there are some programs that help you virtualize

operation systems. There are two famous programs called “VirtualBox” and

“VMware Workstation”. We are going to use VirtualBox because it is free

and it has almost same functions. VirtualBox is a free and open-source

program that lets you virtualize operation systems like Windows, Linux, Mac

OS X and even your own operation systems. It supports almost all operation

system. So, you don’t even need to install Kali on your computer you can

simply install Kali in VirtualBox and then use it as common computer. First

of all, download VirtualBox latest version and install it. Here is a link

available:

https://www.virtualbox.org/wiki/Downloads

if you are using windows operation system you should download for

windows hosts binary release, if you are using Linux download for Linux

operation system and if you are using Mac OS X download for it. We also

need something called “Virtualbox Extention Pack”(you can find and

download it from virtualbox download link), which lets us input USBs,

wireless adapters and many portable devices. First install VirtualBox and

then double-click extention pack and click install, installation is very easy, so

I am not going to explain it. Once you have installed it, we need a Kali

operation system to install on VirtualBox. But why lose time when you can

simply download already installed Kali? In the Kali website, there is link to

download Kali virtual images, then you can just open these virtual images on

VirtualBox and start Kali. There are for VMware Workstation and for

VirtualBox and you must download for VirtualBox no matter what operation

system you have. Once you have finished downloading, go to the Downloads

folder and search Kali virtual image, the extension must be “ova”, then

double-click it and wait before process ends. If the image has sucessfully

installed, look for settings button and click it. So first of all, go to the system

and correctly enter ram usage for virtual machine (remember, your operation

system needs at least two gb of ram), then you gonna go to the

system>processor and enter usage of processor, also very important is to set

up network connection, because without that you will not able to do

something with Kali. To do this, go to the network and choose “Bridged

Adapter” this means that program will use your built-in wireless adapter.

Now you are ready to start virtual machine. Click “Start” and wait before

username promt appears. the default username is “root”, and default

password is “toor”, but for security we going to change it later. The screen

Should look like This :

On the left side should be program called “terminal”, click on it and

you will see that black screen appears with red promt “root@kali#”. You may

have question like “what does root means?”, well root is an access type, to

understand easly this is access when you have full access over computer, you

can do anything what your computer is able to do. In windows you may think

that “Administrator” is a highest level access but that is not so. Highest level

access is root. This is where we going to run our commands. From terminal,

you can run programs easly and do whatever you want. Our system is may

out of date, so run command “apt-get update” to update system and wait until

promt appears. The apt-get is a program that lets us to update system and

install programs easly (we will use it often later), so with the command “apt-

get update” we are calling the apt-get program and telling it to update system.

Once you have updated system we need to change password because it is

default, and anyone can access to it. To change password open again terminal

and run command “passwd”, then it going to ask you old password, enter

“toor”and click enter, and enter new password (does not metter what it will

be) and remember it. So to power off virtual machine correctly click on the

button to the up and right and then click on the power off sign. Now we

already set up everything, and ready to learn how to hide your identify how to

become untraceable.

Hide identify, become untraceable

In hacking very important thing it to be untraceable. To be able to

hack something is nothing without hiding your identify. For example,

imagine that you hacked someones wifi and did not hide identify, in few days

police will analysis wifi router and there will be your computer information

and finally they will find you and throw into prison. So very important part of

entire hacking to hide identify and make hack untraceable. In this chapter you

going to learn about how to be anonymous, hide identify and how to become

fully untraceable.

What is mac address?

A MAC address (media access control address) is a unique identifier

assigned to network interfaces for communications on the physical network

segment. Every computer device have different MAC address. The MAC

address is a built-in every computer device when it is created. When

computer starts, operation system reads from hardware device. When you are

connected to the wireless network, it sends packets to you and then your

computer converts these information to websites, movies, images… Imagine

that two computers are connected to the wireless network, first computer

wants website google.com, and the second computer wants amazon.com,

network sends packets to these computers, but how do these computers know

what packets ignore and what packets to recive? Computers identify packets

to recive or ignore by MAC address, when the network is sending packet to

computer, it also writes in packet the MAC address of the computer it is

sending. that is the way how wireless networks and computers are connecting

each other. So, if you do not change your ip and hack someones wireless

network, you let them to investigate your identify by analysing network

history.

How to hide MAC address?

You may think that how you can change MAC address if computer

reads it from hardware? You are not going to make modification on

hardware, you going to change RAM. When the computer starts, MAC

address loads in RAM and we going to change already loaded MAC address..

So, when you change your MAC address police will find your fake MAC address and they will not be able to trace hacker. Now you have basic

information about what is MAC address, dangers of hacking without

changing MAC address, how police can trace you, how we can change it.

Change MAC address by Kali

Kali has already installed program called “macchanger” which lets us

to changeloaded MAC address in RAM. Open VirtualBox, start kali virtual

machine and open terminal. We need to stop our wireless card to change the

MAC address. Type in “ifconfig wlan0 down”. The ifconfig is a program,

wlan0 is our wireless card and the down is action what we want to do. So,

this command will stop every wireless service and it is nessesary to stop

network card before changing the MAC address. Then type in the following

command “macchanger --help”.This command tells Kali to call macchanger

and show help. There is program usage instructions. In my case, I will use

random MAC address by entering “macchanger –random wlan0”.macchanger

is program name –random is an option and wlan0 is wireless card. If

everything is correct the screen should look like this:

It shows you what was the permanent (built-in in network card)

MAC address and its corporation in brackets, and down it shows that there is

a new MAC address which does not have corporation. So, now we already

changed the mac address and we need to hack into anyones network. But you

are not ready for that now, because you do not know what is monitor mode

and how to use it. In the next chapter you will learn what monitor mode is

and how to use it with Kali.

Wireless modes

When you want to hack wifi, you need to capture “handshake”. The

handshake is connection of personal computer and wireless network, it is

when network packet and personal computer packets meet each other. With

handshake you do not need to be in wifi range anymore, you can hack

password with handshake and wifi name (you will learn this later). Now you

need to capture all the packets that are sent through the wifi router and all

personal computers in network. There is a question like “if the MAC address

is used to ensure that each packet gets delivered to the right place then how

we capture it?”, and the answer is that “Yes and no, it is used to send packets

to the right destination, and we as hackers can only receive packets that are

sent to our MAC address , but this only applies to the default mode of your

wireless card, which is ‘managed’ mode, however there is mode that allows

us to capture all the packets in our wi-fi range, not only the ones sent to our

device, hence the name monitor mode.”. So, now you know basics and ready

to actually catch handshake. First of all, change MAC address, enter monitor

mode by typing in these commands on the photo:

You can see that finally when I checked wlan0 mode it was monitor

as you can see on the image. So you are ready to actually capture handshake,

then it is very easy to hack wireless network by

Catching handshake

Handshake packets are sent every time a client associates with the

target AP. So to capture it we are going to capture every packets that are sent.

In this chapter we are going to use program called “airodump-ng”. This

program lets us to sniff and capture the packets that are sent over the

network. This program is also preinstalled program. There are two step to

catch handshake.

1.Start airodump-ng on the target AP (Access Point):

The syntax is something like this:

>airodump-ng --channel [channel] –bssid [bssid] –write [file-name]

[interface]

Ex: >airodump-ng –channel 6 –bssid 11:22:33:44:55:66 --write out

wlan0mon

2.Wait for a client to connect to the access point, or deauthenticate a

connected client (if any) so that their system will connect back automatically.

The syntax is something like this:

>aireplay-ng --deauth [number of deauth packets] –a [AP] –c [target]

[interfac]

Ex: >aireplay-ng –deauth 1000 –a 11:22:33:44:55:66 –c

00:AA:11:22:33 mon0

If the handshake catched, kali will inform you by top right corner of

airodump-ng will say “WPA handshake”.

Follow these steps and when you will catch handshake your screen

should like this:

When you catch handshake you are ready to actually crack password

Cracking any wireless network

Now you have handshake and you need to download largest wordlist

in the world to have change to hack password. You can download this

wordlist from the following website:

http://www.hackreports.com/2013/05/biggest-password-cracking-

wordlist-with.html

second link: https://crackstation.net/buy-crackstation-wordlist-

password-cracking-dictionary.htm

when you download one of them you are ready to hack network. We

are going to use aircrack-ng to crack the key. It does this by combining each

password in the wordlist with access point name (essid) to compute a

Pairwise Master Key (PMK) using pbkdf2 algorithm, the PMK is the

compared to the handshake file. The syntax looks like this:

>aircrack-ng [handshake filename] –w [wordlist] [interface]

Ex: >aircrack-ng is-01.cap –w list wlan0mon

Run this syntax and wait before aircrack-ng cracks it. When the

password will be hacked the screen should look like this:

Congratulations!!! You already hacked WPA secured wireless

network!!! It is time to secure our wireless network because as you know it is

very simple to hack, and if someone will do, he can then capture packets that

are sent over the network and analys them. There will be your mail password,

your social network password, card pin and so on. It is very dengerous to do

not have secure wireless network So help us As by subscribing our Channal @Wifihackerking

Stay Anonymous And Its For learning purpose

Next chapter you will learn how to secure

your network and become it almost unhackable.