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NMAP and ZenMAP

NMAP and ZenMAP are useful tools for the scanning phase of Ethical Hacking in Kali Linux. NMAP and ZenMAP are practically the same tool, however NMAP uses command line while ZenMAP has a GUI. NMAP is a free utility tool for network discovery and security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. NMAP uses raw IP packets in novel ways to determine which hosts are available on the network, what services (application name and version) those hosts are offering, which operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, etc. Now, let’s go step by step and learn how to use NMAP and ZenMAP. Step 1 − To open, go to Applications → 01-Information Gathering → nmap or zenmap. Step 2 − The next step is to detect the OS type/version of the target host. Based on the help indicat...

Kali Linux - Installation and Configuration

Kali Linux is one of the best security packages of an ethical hacker, containing a set of tools divided by the categories. It is an open source and its official webpage is https://www.kali.org. Generally, Kali Linux can be installed in a machine as an Operating System, as a virtual machine . Installing Kali Linux is a practical option as it provides more options to work and combine the tools. You can also create a live boot CD or USB. All this can be found in the following link: https://www.kali.org/downloads/ BackTrack was the old version of Kali Linux distribution. The latest release is Kali 2018.1 and it is updated very often. To install Kali Linux − First, we will download the Virtual box  or Vmware workstation and install it. Later, we will download and install Kali Linux distribution. Instead of downloading  the images file you all can download that ova file extension . The benefits of it is that you do not have to install it. What you have to do is to just ...

Steganography 2

What is Steganography ?  It is the art and science of writing hidden messages in such a way that no one, apart from the sender and intended recipient, suspects the existence of the message. The word steganography is of greek origin and means "concealed writing" from the Greek words steganos meaning "covered or protected" and graphy meaning "writing". Anyone else viewing the message will fail to know it contains hidden/encrypted data. This can be achieved by concealing the existence of information within seemingly harmless carriers or cover.Carriers areText, Image, Audio, Video, etc History Of Steganography: Steganography has a long history. The first recorded uses of steganography can be traced back to 440 BC when Herodotus mentions two examples in his Histories. Demaratus sent a warning about a forthcoming attack to Greece by writing it directly on the wooden backing. Histiaeus shaved the head of his most trusted slave and tattooed a message on it. Aft...