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Program Hides Secret Messages in Executables

Posted by timothy on from the ms-reveals-code-to-piglatinland dept.

DmuZ writes "My friend Rakan has created a new steganographic tool named Hydan which can embed messages into an executable without altering its size. He recently presented this tool to the public for the first time at codecon. This new technique was intriguing enough to get coverage on SecurityFocus.com. The code is available here."

3 of 243 comments (clear)

  1. Re:You might have gotten hoaxed. by Michael+Dorfman · · Score: 5, Funny

    > Second, and most importantly, the size of the file is dependent on the size of the bytes
    > within the file.

    I don't know about you, but where I come from all bytes are pretty much 8 bits in size.

    >Because the bytes in the file have differing values depending on the instructions they
    >encode, altering the data will alter the size unless you're borrowing from one byte to inflate
    >another -- and in this case, again, you run afoul of the first problem.

    Altering the value of a byte changes its size?
    Man, I need to get me some of them new magic size-changing bytes! Down with the tyranny of 8-bit bytes!

  2. Wrong product by Mostly+a+lurker · · Score: 5, Funny
    ...the Declaration of Independence in a single copy of Microsoft Word

    Surely, a declaration of independence should be stored in a non Microsoft product.

  3. Re:stenography by WzDD · · Score: 5, Funny

    RPG values?

    "Bring me my +5 Sword of Information Hiding!"