What is Steganography | Ethical Hacking

Well today we are making the first post of “LEARN HACKING LEVEL 2”.
The First topic we are going to discuss today is “STEGANOGRAPHY”.

So what is Steganography?

Before coming to the point let me tell you its history.
You might have seen in old chinese movies that the monks used to safeguard secrets by hiding those secrets on their body parts so that no one else can see them but them.

This concept was developed further and it was implemented in computers as well.
This is called Steganography.

Now coming to its implementation in Computers.

By the use of Steganography you can Hide one type of file behind other keeping the format of file same.
I personally find it very useful because it helps me hide my important information easily.

So do you want to try Steganography on your machine ?

Lets get started.

NOTE:- The files and folder names I am going to use are just for reference. You may use different if you want to. But for beginning I would suggest to follow along. Later on you can try it with different file names.

Setup:-

1) Create a new folder named test in any drive (say C:\ Drive)

2) In  the test folderCreate a text file in it named – hi.txt

3) Copy any default windows picture from my pictures say – desert.jpg in the test folder

 

Now the game begins.
Type anything you want to in the  Text file and make its font big so that its easily readable

1) Open command prompt

2) Open the test folder.
      You may use the following commands to do that

    2.1)   C:\
    2.2)   cd test

3) Now use the following command

      COPY /B desert.jpg+hi.txt new.jpg
       ie… the syntax is
      Copy /B name of file in which you want to embedded the content+ name of file which you want to embedded name of new file

And that’s it. You are done.
Open the test folder and you will see a new image named new.jpg.
When you preview it you will see the normal image but now right click it and open the image with notepad. At the end of the file you can see the text that you wrote in the document.

Well this was just the beginning.

Now the more interesting use of it.
If you want to bind rar files to images. You can do that as well.
(You may put anything you want in the rar file)..

I am sure this was something new for most of you out here..;-)

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One Response
  1. October 11, 2011

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