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Kali Linux is an advanced Penetration Testing and Security Auditing Linux Distribution, based on Debian development standards. Kali Linux- a complete re-built of Backtrack Linux, was developed by Offensive Security. Kali Linux is completely open source and come free of cost. It offers more than 300 penetration testing tools with timely security updates, support for the ARM architecture, a choice of four popular desktop environments and seamless upgrades to newer versions. Kali Linux is distributed in 32-bit and 64-bit images for use on hosts based on the x86 processor architecture, as well as an image for the ARM architecture for use on the Raspberry Pi computer, rk3306 mk/ss808, ODROID U2/X2 and on Samsungs ARM Chromebook.

2. Being a Kali Linux user, select Choose your distribution as debian and click Save File to download.

Changing Windows 8/8.1 Password with CHNTPW

There are several open source and enterprise software program through which we can access remote system. These software becomes a necessity when you setup a remote server and do not allow direct access to the server, as because of some security measures. PuTTy is one of the major terminal emulator through which we can access a remote server. PuTTy is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet and rlogin. Here, I am going to show you how to access Kali Linux through PuTTy. My base computer is running Windows 7 and Kali Linux is installed in a VMWare Player. So we can assume that Kali Linux is installed in a remote machine, as Windows 7 and of Kali Linux is on different network now.

Before we access Kali Linux through remote system, we need to make sure that ssh service is already running in Kali Linux.

To check the status of ssh service. Open root terminal and type service --status-all

In case it shows [-], then it means ssh service is not running and you have to enable ssh service first. To do this type apt-get install openssh-server from terminal window. Once, it shows [+] sign it means service is enable. Now, we type service ssh start to run ssh service.

Once we are sure that ssh service is running in remote Kali Linux, we have to perform one more step. Run ssh-keygen -t rsa to setup rsa key for ssh authentication and enter filename and passphrase to save the key. Once this is done we are good to go.

Now open PuTTy application and type the ip address of Kali Linux (if you are not sure then type ifconfig command on Kali Linux root terminal window). Let the port no. be default, select ssh and click on open. If everything is fine then it will ask you to enter login name and password. Once you enter the correct login and password, you will get privilege to access Kali Linux from console mode.

Hi Everyone! this is an updated post on Kali Linux repositories. Well, a repository is an archival source from where Kali Linux softwares are updated and upgraded online. sources.list is the file where all the links for necessary update are saved. When we execute a command apt-get update, it searches for the updated package online. Un-wanted or un-necessary links can cause failure of Kali Linux package installation, so make sure what link/s should be added to the repository so that Kali Linux should get proper update. 

After installing Kali Linux on hard drive or on virtual machine, we may have come across with a warning message of "Low Disk usage". It happens when we allocate insufficient disk space during partition for kali linux or else when we do a regular "update" and "upgrade" of patches or downloading softwares. Kali Linux comes with a graphical built-in tool, i.e. Disk Usage Analyzer. This tool helps you to check the disk space usage. There are other options too, to check usage as per file system.

Kali linux is a debian base linux distribution designed for penetration testing. Here, I will give a tutorial on how to add a repository on Kali Linux 1.0.3 with ease. Repository is a archival software, where software in this archive can be retrieved by the user to use. Please click here to check for the new blog post on repository. 

1. Open root terminal and type this code.

   root@kali:~# leafpad /etc/apt/sources.list

2. Add all repositories, i.e. :

deb http://http.kali.org/ /kali main contrib non-free

deb http://http.kali.org/ /wheezy main contrib non-free

deb http://http.kali.org/kali kali-dev main contrib non-free

deb http://http.kali.org/kali kali-dev main/debian-installer

deb-src http://http.kali.org/kali kali-dev main contrib non-free

deb-src http://http.kali.org/kali kali main contrib non-free

deb-src http://security.kali.org/kali-security kali/updates main contrib non-free

Save the file and exit.

3. root@kali:~# apt-get update

4. root@kali:~# apt-get upgrade

Download Kali Linux and burn the ISO to a CD/DVD. Boot Windows machine with the LiveCD. On the boot menu of Kali Linux, select Live (forensic mode). Kali Linux initialize and when it loads, it will open a terminal window and navigate to the Windows password database file. Almost all versions of windows password is saved in SAM file. This file is usually located under /Windows/System32/config. On your system it may look something like this: /media/hda1/Windows/System32/config. Below is the screenshot.

Tor (used to stand for "The Onion Router", but its no longer considered an abbreviation, so its just "Tor"), is an anonymity network, used to surf the web (and more) anonymously. Basically, anyone running the Tor software on their computer runs a proxy, and traffic gets passed (encrypted) from one person running Tor to another person running Tor, multiple times through many users, until it gets to the page that you requested. Hence the term "Onion" used to describe it, since it works in "layers". Each person running Tor on their computer is called a "Node".

To the page (and anyone logging requests to that page, such as the website owner for example) they can only see the IP address of the last Node (called the "end node"). Any communication along the way, between you, when you request the website page, and the final destination, is encrypted, and cannot be analyzed. However, the last Node in the chain can log and view traffic through it, if the person running it is unscrupulous, so for that reason it cant be said that Tor is 100% anonymous.

#!/bin/sh

echo "deb http://deb.torproject.org/torproject.org wheezy main" >> /etc/apt/sources.list

clear scr

echo "[*] Installing the keys...."

gpg --keyserver keys.gnupg.net --recv 886DDD89

gpg --export A3C4F0F979CAA22CDBA8F512EE8CBC9E886DDD89 | sudo apt-key add -

echo "Ready!!"

clear scr

echo "[*] Updating Repositories...."

apt-get update

clear scr

echo "[*] Installing TOR"

apt-get install deb.torproject.org-keyring

apt-get install tor

echo "Ready!!"

echo "[*] Installing Vidalia"

apt-get install vidalia

echo "Ready!!"

echo "[*] Installing iceweasel-torbutton"

apt-get install iceweasel-torbutton

echo "Ready!!"

clear scr

echo "[*] Installing Privoxy"

apt-get install privoxy

echo "[*] Configuring privoxy"

echo "forward-socks5 / 127.0.0.1:9050 ." >> /etc/privoxy/config

echo "Ready!!"

service tor restart

service privoxy restart

echo "Tor has been installed successfully."

Save this script to a file like torinstall.sh and chmod +x it.

#chmod +x torinstall.sh

#./torinstall.sh

Before we begin, let me give you a brief introduction on Raspberry Pi. Well, a Raspberry Pi is a low budget, small credit-card sized ARM board, that acts as a computer. This board is developed by Raspberry Pi Foundation, UK with the intention of promoting the teaching of basic computer science in schools. The processor at the heart of the Raspberry Pi system is a Broadcom BCM2835 system-on-chip (SoC) multimedia processor. This means that the vast majority of the system’s components, including its central and graphics processing units along with the audio and communications hardware, are built onto that single component hidden beneath the 256 MB memory chip at the centre of the board. It’s not just this SoC design that makes the BCM2835 different to the processor found in your desktop or laptop, however. It also uses a different instruction set architecture (ISA), known as ARM. The ARM-based BCM2835 is the secret of how the Raspberry Pi is able to operate on just the 5V 1A power supply provided by the onboard micro-USB port. It’s also the reason why you won’t find any heat-sinks on the device: the chip’s low power draw directly translates into very little waste heat, even during complicated processing tasks.

When we talk about update, we know that the client system is downloading an update and patches from the source(online- from the network resource or offline- cd/dvd or any other secondary source). Here, we are talking about online update only. Kali Linux is relatively new and have less mirror sites, so the less the mirror sites the more online users to access the server and utilizing all the bandwidth. When you type apt-get update on the terminal, it searches for the relative links for update from /etc/apt/sources.list. So, more the number of links in the repository file, the more time it will consume to search for an update. Below are the few necessary steps that you can perform to fix the issue.

Kali Linux is an advanced Penetration Testing and Security Auditing Linux distribution. It is the most advanced and versatile penetration testing distribution ever created. Kali Linux comes with bundles of penetration testing tools. In GUI, you can find these tools in drop-down menu list, i.e. Applications --> Kali Linux. The Top 10 Security Tools are in top list. Other tools are categorized according to their functionality.

Hi Everyone. Today I am going to show you how to create bootable usb in Kali Linux using line utility. There are several 3rd party utilities available in the market, some of them are UNetbootin, Universal USB Installer, YUMI and RMPrepUSB. These all are GUI-based utilities. But, today I am going to create a linux bootable usb using dd (device driver). dd is a simple command line program that is pre-installed in almost linux based operating systems. It is a simple, yet versatile and powerful tool. It can be used to copy from source to destination, block-by-block, regardless of their filesystem types or operating systems. Below screen-shot shows you how to create bootable usb using dd command.

• Minimum 8 GB of HDD space to install Kali Linux
• For i386 or amd64 architecture, a minimum of 512 MB RAM (1024 MB RAM recommended)
• An ISO or VMWare image can be downloaded from Kali Linux site

2. On this screen select I will install the operating system later and the click on Next.