How to hide file in image

This is the video tutorial regarding one of the steganography technique.
In one of the earlier tutorial i have shown you that how to hide text in image.

This is regarding almost same, but not actually. :)

What is Steganography?

Steganography deals with composing hidden messages so that only the sender and the receiver know that the message even exists. Since nobody except the sender and the receiver knows the existence of the message, it does not attract unwanted attention. Steganography was used even in ancient times and these ancient methods are called Physical Steganography. Some examples for these methods are messages hidden in messages body, messages written in secret inks, messages written on envelopes in areas covered by stamps, etc. Modern Steganography methods are called Digital Steganography. These modern methods include
hiding messages within noisy images, embedding a message within random data, embedding pictures with the message within video files, etc

Here is the technique in which i am going to show you that how you will be able to hide file in another file (jpeg file).

Below are the steps, still the video will more helpful.

• Take two files in an folder. (Image(jpeg) & another file(which you wanna copy)
• Open command prompt, goto desired folder by using cd command
• Then execute the following command (Assuming the file names as 1)image.jpg 2)xyz.rar
• >copy /b image.jpg+xyz.rar image.jpg
• Here image.jpg mentioned  at the end means that is the name of the file in which you wanna copy the another file (i.e.xyz.rar)
• After executing the command you can open the image.jpg as an image, and in order to view the hidden file (i.e. xyz.rar), you need to change the extension of image.jpg to image.rar
• After changing the extension you can view that hidden file in it. Now again you can change it to jpg if you want to view the file as image.

Note: This is only for the educational purpose.

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