Guide | How To How to Hide Important Data behind an Image

[Kardo Kristal]

Here is a tutorial "How to Hide Important Data behind an Image" - Steganography

You need a File Archiver or Data compression software like WinRAR, Winzip, 7-zip etc.

Hide Important Data behind an Image

1. Gather all your important or TEST files in a single folder and Archive them all using WinRAR
- Example file name with extension: Information.txt

2. Copy the generated compressed file (Information.rar in our case) to a particular folder on your hard drive
- Example: C:\Users\Kardo\Desktop\Tutorial

3. Take an image (e.g. Test.jpg) and copy it to the same folder (C:\Users\Kardo\Desktop\Tutorial).

4. Open Command Prompt and go to C:\Users\<username>\Desktop\Tutorial

5. Now type following command and press Enter: COPY /b Test.jpg + Information.rar Output.jpg

You will now be able see a new image file Output.jpg in C:\Users\<username>\Desktop\Tutorial.
The file can be opened and viewed normally by any image viewing software, but the hidden data can only be viewed / extracted using WinRAR or similar file archiving software.

Decrypt steganographed JPG Image

1. In order to view hidden data behind an image file open Output.jpg with WinRAR

2. You can also extract the data onto your computer hard drive by clicking on Extract To option present at the top of WinRAR’s User Interface

Regards,
Kardo

 

[Secondmineboy]

This is something malware does very often unfortunately.

 

[Kate_L]

Doesn't really do that (it doesn't change the pixels) + you don't have the image header anymore so you don't hide you just make a simple trick.

 

[Cats-4_Owners-2]

Perhaps, when we are the ones performing the concealment of information, it will enhance our security.
Thanks for the tutoral, Kardo Kristal.

 

[Kardo Kristal]

@OpenSecLabs

Doesn't really do that (it doesn't change the pixels) + you don't have the image header anymore so you don't hide you just make a simple trick.

Yeah, but it seems like a typical picture for the average users and you can open it normally with Image/Picture viewer.

@Cats-4_Owners-2

Perhaps, when we are the ones performing the concealment of information, it will enhance our security.
Thanks for the tutoral, Kardo Kristal.

Agree with you. Thanks!

Regards,
Kardo

 

[Vipersd]

Interesting tool for scanning for Alternate Data Streams.
ADS Spy

http://www.bleepingcomputer.com/download/ads-spy/

 

[Bharat(bb)]

when i click on Extract To show me the error "no archives found in selected files and folder "