Hydan, hide messages in executable code.

. Hacktivism

25.02.03 Hydan, hide messages in executable code.
While steganography to hide messages imperceptibly altering an image, a new approach which is based on a technique a little 'different, is likely to diventere a powerful tool to protect your privacy. Hydan , in fact, is the software developed by Rakan El-Khalil, a student at Columbia University that was presented during the second CodeCon of San Francisco. The program acts on the redundancy of the code for Intel x86. Adding seemingly unnecessary operations, such as addition and subtraction of the same figure, the execution is not changed, but you can hide in the subtraction, for example, the bits of the message that you want to hide. Although the method is imperfect, because detectable with a statistic on the negative transactions contained in it, for example, this technique is already able to hide the entire constitution of the United States in a copy of Microsoft Word.