#Steg tool outguess how to
#Steg tool outguess zip file

Now, go back to the folder and check the contents. $ cd Documents $ cat image.jpg secret.zip > ostechnix.jpgĪs you see in the above output, the directory sk that has secret files inside has been extracted. Finally, concatenate the secret.zip and test.jpg files, and save them as ostechnix.jpg using cat command. Go to the location where you have stored the zip and image files (In our case it is Documents). To compress the folder, just right click on it, and select compress. Then, compress this folder and save it as 'secret.zip'. Step 2: Move all files you want to hide inside the folder 'sk'. I have put them both in Documents folder. Step 1: Put the image file and the directory in a folder. ostechnix.jpg - The output image file that contains both secret.zip and image.jpg.sk - The directory that contains all secret files.

#Steg tool outguess zip file

Finally, I will concatenate the zip file (secret.zip) and image file (image.jpg) using cat command and save it as ostechnix.jpg. Then, I am going to compress the directory sk and save it as secret.zip to make it as single file. You can place any number of files you want to hide inside this directory. This is the file that we are going to embed in the image.jpg file. Inside this directory, there is a file called secret.txt which has some confidential message. I have one image file called image.jpg and a directory called sk. Just a basic Linux command line knowledge is enough. This method doesn't require any additional software. We can hide files inside images in different methods. We are not responsible for any kind of misuse. This steps described below are purely for educational purpose. The method described here is very basic, so even an intermediate security professional can easily break it in couple hours. Please do not assume that this can't be broken by any security experts.

#Steg tool outguess how to

This tutorial only covers how to hide files inside images, which is the core concept of Steganography. Let us now see how to hide files inside images in Linux. Now, in the modern age, Steganography has been evolved, much improved and widely used to send and receive digital secret messages by concealing them into another files.įor more details about Steganography, refer this link. He shaved his most trusted servant's head, and marked the secret message onto his head.Īfter the hair had regrown, he sent that servant to one of his Vassal to convey the message that has some information about the upcoming attack to Greece. The sources said that this method was first followed by Histiaeus, an ancient Greek king, back in 440BC.