Steganography is the technique to place text or any other content behind the images. This is generally performed by the Terrorists to Hide the Secret messages behind the images and conveying the message via sending the Image via Internet.
The Trick :
Final.jpg is the image behind which text file has hidden.
So in this way you can hide any contents like rar,exe files.
You can also send keylogger to your victim by using this way.
To view the hidden text file > Right click on Final.jpg, open it with notepad, go to
the end of file.
Text will be written in last line.