Showing posts with label data security. Show all posts
Showing posts with label data security. Show all posts

Sunday, February 19, 2012

hide-data-in-image-or-audio-or-video

How to Hide Data in Image, Audio & Video Files:

 
 Ever wondered to know how to hide secret messages in images, audio and video files? Well, in this post I will take you through a concept called steganography using which, it is possible to hide your secret information in image files, songs or any other file of your choice. At the end of this post, you can also download free stegnographic tools and start hiding your data.

What is Steganography?
--->
Steganography is a means of obscuring data where secret messages are hidden inside computer files such as images, sound files, videos and even executable files so that, no one except the sender and the receiver will suspect the existence of stealth information in it. Steganography may also involve the usage of cryptography where the message is first encrypted before it is concealed in another file. Generally, the messages appear to be something else such as an image, sound or video so that the transfer of secret data remains unsuspected.

The main advantage of steganography over other methods such as cryptography is that, it will not arose suspicion even if the files fall in the hands of a third party. Unlike cryptographic messages, stegnographic messages will no way attract the attention of a third party by themselves. Thus stegnanography has an upper hand over cryptography as it involves both encryption and obscurity.
What are the Applications of Steganography?

Steganography is mainly used to obscure confidential information/data during storage or transmission. For example, one can hide a secret message in an audio file and send this to another party via email instead of sending the message in the textual format. The receiver on the other end will decrypt the hidden message using the private decryption key. In a worst case scenario, even if a third party does manage to gain access to the email, all he can find is the audio file and not the hidden data inside it. Other usage of steganography include digital watermarking of images for reasons such as copyright protection.

Eventhough steganography has many useful applications, some may use this technique for illegitimate purposes such as hiding a pornographic content in other large files. Roumors about terrorists using steganography for hiding and communicating their secret information and instructions are also reported. An article claiming that, al-Queda had used steganography to encode messages in images and transported them via e-mails, was reported by New York Times, in October 2001.


How do Steganography Tools Work?

Stegnography tools implement intelligent algorithms to carefully embed the encrypted text messages or data inside other larger files such as an image, audio, video or an executable file. Some tools will embed the encrypted data at the end of another file so that there will be enough room for storing larger data.

There are many steganography tools available online but only a few are able to work flawlessly. I did not find any tool that worked perfectly on both small and large data. However I have  managed to develop my own tool that can work perfectly on all types of files and all size of data. The tool is called “Stego Magic“. You can download it from the following link.

Download StegoMagic.zip


The zip file contains two versions of Stego Magic: One for encrypting the text messages and the other for encrypting binary files. StegoMagic_TXT can be used to hide text messages in other files such as an image or a sound file. StegoMagic_BIN can be used to hide one binary file in another such as an executable file inside an image or an image inside a video file.

With Stego Magic, there is no limitation on the size and type of the file that you are intending to hide. For example, you can hide a video of size 1 GB in an image of size 1 MB or hide an executable file inside a WORD document. The tool is pretty straightforward to use and requires no special understanding of the concept.

At the end of the encryption process, a secret decryption key will be generated and the same is required during the decryption process.
How to Use Stego Magic?

Suppose you want to hide a text message inside a JPG file:

1. Place the JPG and the text file (.txt) in the same folder as that of StegoMagic_TXT.exe

2. Run StegoMagic_TXT.exe and follow the screen instructions to embed the text message inside the JPG image.

3. Note down the secret decryption key.

Now you can send this image to your friend via email. To decrypt the hidden message, your friend should load this JPG file onto the Stego Magic tool and use the secret decryption key.

Hide files in pictures without software Click here

Enjoy....
Don't forget to like and comment...:)

hide-files-in-photoes


HideYour Files In A JPEG !! 

 Hello Guys,

Well, did you know you could hide yourfiles in a JPEG file? 

For this, you will only need to download WinRAR. Andneed to have a little knowledge about Command Prompt and have WinRAR installed.

Ok, lets begin…

1. Gather all the files that you wish to hide in a folder anywhere in your PC(make it in C:\hidden - RECOMMENDED).

2. Now, add those files in a RAR archive (e.g. secret.rar). This file shouldalso be in the same directory (C:\hidden).

3. Now, look for a simple JPEG picture file (e.g. logo.jpg). Copy/Paste thatfile also in C:\hidden.

4. Now, open Command Prompt (Go to Run and type ‘cmd‘). Make your workingdirectory C:\hidden.

5. Now type: “COPY /b logo.jpg + secret.rar output.jpg” (without quotes) - Now,logo.jpg is the picture you want to show, secret.rar is the file to be hidden,and output.jpg is the file which contains b
both. :D



 


6. Now, after you have done this, you will see a file output.jpg in C:\hidden.Open it (double-click) and it will show the picture you wanted to show. Now tryopening the same file with WinRAR, it will show the hidden archive .


Enjoy....
don't forget to like and enjoy.....:)

Friday, February 17, 2012

Hide-folder-more-protectly

Hide folder more protectively

Previously I have written HOW TO HIDE FILE USING RUN COMMAND.

Here I am gonna show you more protective hiding of files or folders.
In the previous trick it was easy way of how to hide files but files can be shown by anyone just by folder and search option by disabling the option of DON"T SHOW HIDDEN FILES.

But now you can do something that even after disabling that option your file or folder will not be there. Wanna know how jst go on:

Just follow the steps:

1) Open notepad

2) Write the following command(without quotes)
               "attrib +h +r +s *"
NOTE: At the * write down your file, that you want to hide, with path of that file.




3) Now save with x.bat extension. Give any name you want to give


4) Now go to desktop right click > New > Shortcut


5) In the box browse the .bat file that you created


6) Click next and write the name that you want to use as a command in the run to run this file and 
     click Finish





























7) Now copy that shortcut to "C:\windows\system32\"

8) Now open run (win + r) and write the name that you have given while creating shorcut. In this
     case I have given wxyz.
   
      On doing this all our files that you have written in notepad file will be hidden. Now what for
       get that file back??? so go for this same procedure but two chages will be done....

    a) In the step 2) write notepad file with command  "attrib -h -r -s * "
    b)  In the step 6) give the different name then you have given. Suppose abcd.


Now whenever you will run "wxyz" in run all file will just get hidden and on running "abcd" it'll show that file.

Enjoy...
Don't forget to like and comment...:)


Tuesday, February 14, 2012

Hide-file-you-want-to-hide-by-RUN-command

Hello Guys.....



You all are used to hide files from folder and search option so no one can see.......but don't you think it's to much long process......I really get bored with that....

Here I have a cool trick so you can hide your file and show that back just by giving your name in the run....

Just follow the steps:

1) Open notepad

2) Write the following command(without quotes)
               "attrib +h +s *"
NOTE: At the * write down your file, that you want to hide, with path of that file.


3) Now save with x.bat extension. Give any name you want to give


4) Now go to desktop right click > New > Shortcut


5) In the box browse the .bat file that you created


6) Click next and write the name that you want to use as a command in the run to run this file and 
     click Finish





























7) Now copy that shortcut to "C:\windows\system32\"

8) Now open run (win + r) and write the name that you have given while creating shorcut. In this
     case I have given wxyz.
   
      On doing this all our files that you have written in notepad file will be hidden. Now what for
       get that file back??? so go for this same procedure but two chages will be done....

    a) In the step 2) write notepad file with command  "attrib -h -s * "
    b)  In the step 6) give the different name then you have given. Suppose abcd.


Now whenever you will run "wxyz" in run all file will just get hidden and on running "abcd" it'll show that file.

Here file or folder can easily be shown by disabling the DON"T SHOW HIDDEN FILES in folder and search option. But you can give privacy to that folder. Know more

Enjoy...
Don't forget to like and comment...:)


Sunday, February 12, 2012

New-way-to-make-undeletable-folder

Hello Guys....



In the before post I do post about how to make undeletable folder....
Here is another short way to make that thing


1) Open cmd  (press windows+R and write cmd)

2) Write following command without quotes:
                         "C:\> md \*\\"
NOTE: Replace * only with the names like CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9

3) Open my computer go to the lirary where you were working in cmd

4) There will be a folder named *

                 TRY TO DELET THAT......OOPS!!!! CNA'T DELET...??!!!

5) Go to cmd again and write following command without quotes:
                      "C:\> rd \*\\"
NOTE: Replace * with the name of folder which you want ti remove in case made two or   more
              undeletable folder.

Enjoy...!!!
Don't forget to like and comment.....:) 




Undeletable-Folder

Hello Guys!!!

Do your friends or little brothers used to delet your folder??

Here is the solution I am gonna talk......

To make undeletable folder follow the steps:

1) Open cmd  (press windows+R and write cmd)

2) Write following command without quotes:
                         "C:\> md \\.\c:\ *"
NOTE: Replace * only with the names like CON, PRN, AUX, CLOCK$, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9

3) Open my computer go to the lirary where you were working in cmd

4) There will be a folder named *

                 TRY TO DELET THAT......OOPS!!!! CNA'T DELET...??!!!

5) Go to cmd again and write following command without quotes:
                      "C:\> rd \\.\c:\ *"
NOTE: Replace * with the name of folder which you want ti remove in case made two or   more
              undeletable folder.

Enjoy...!!!
Don't forget to like and comment.....:)

Shortway to make this: Click here







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