Extreme Hacking
Advanced Ethical Hacking Institute in Pune

Howdy Guys? From such a long time i am presenting you a short and simple trick to hide any kind of file like txt, mp3, exe, avi or any extension using Steganography technique (hiding file into image is called steganography, and it allows you to hide text in images without anyone from knowing). The best part of this trick is when any one will see the picture he/she will just consider it as a picture and even if he/she double click on it then the picture will be opened as normal. Sounds great na? So in this post i will be getting into some common ways to hide your files that can be done with or without steganography tool.To execute this task you will be needing WinZip or WinRar to be installed in your PC/Laptop. If you don’t have any you can download it absolutely free from internet.

[Image: introduction-steganography-its-uses.1280...ressor.jpg]

Method 1: Steganography using Dos Prompt
How to hide multiple files behind JPEG/PNG image using command prompt:
Step 1: Create a folder anywhere in your PC and name it as blk or whatever (dont forget to remember its path) e.g. C:\> blk and keep all the files you want to hide as well as the jpg image you will use to keep that files in.

Step 2: Just select all the files you want to hide, and by right clicking on them select the option of add them to a compressed ZIP or RAR file. Only compress the files you want to hide, not the jpg image. Lets name it as “Secret.rar”.

You’ll see that there is those files, the jpg image and a compressed archive named Secret.rar inside the folder blk.

Step 3: Click on Start menu, click Run and type “cmd” (without the inverted commas or press Windows key +R to run directly), press enter and you will see the command prompt window has been opened. Type cd\ to get into the root directory and again type cd followed by the folder’s name you want to hide i.e. “cd blk”. Now you are inside the directory C:\blk>

Step 4: Suppose the jpg image have name of “sten.jpg”. Type the following line

copy /b sten.jpg + Secret.rar sten.jpg
(Omit the quotes) and press enter. You will get a response in the command prompt like below.

[Image: Untitled.png]

Be sure that the compressed file has the extension of . ZIP or .RAR. As I have heard about some problems people faced while using WinZIP, I recommend you to use WinRAR instead of WinZIP.

That’s all you have to do. Now you have a jpg image(sten.jpg) with your secret files inside it. If you check the picture size you will see it has been increased by same size that was of the compressed archive. Now you can the delete the . RAR file and the file1 and file2.

How to access the hidden files

Just right click on the file and chose open with WinRar.Then you can see the file you hide behind the picture. Another way to access the hidden file is that just change the extension of the file to .RAR and open the file using WinRar and then extract them. To change the extension you have to simply rename the file image.jpg to image.rar

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