Can I theoretically create files that use...

Can I theoretically create files that use .jpg as a file extention but function as something besides an image then run it with a specialized program?

Yes
For more info

give it back jamal

yeah. File extensions are just hints to the OS to which program to open the file with. It doesn't change anything in the file.

is this a signal? is there a zip in your anime girl? im nervous...

not in a 8k file. Those are usually small images that have a 1-2MB size

Sup Forums doesn't even let you embed shit in images any more.

[it does though]

...

looks like someone embedded some FUN into this image

>upload 1p1h83.faggot
>renamed to 1p1h83.jpg

You don't even need to have it be a working jpg.
I don't think they'll ever 'fix' that. Especially not when we're allowed an arbitrary program to extract the data.

how do you know whats imbedded in it

T E C H N O L O G Y

*nix systems can work with any file extensions, because they aren't dependent on file extensions

If it's windows then I'm sorry for you

palindrome embedded in text

>Sup Forums doesn't even let you embed shit in images any more.
Speak for yourself.

also an fyi, what's hidden in that image could send people to prison

Is it a gun?

guns send people to hell

steganography

how do you open this, i tried the usual convert to 24bit bmp then open with 7z

"dont open me in winrar" .jpg

now my vm is on a watchlist and i need to make another one, thanks user

Yes. You can even make a file that's a valid as multiple file types so that different programs will work.

yes linux uses a magic number to determine the file type. You could write python scripts as .jpeg and it wouldnt make a difference.

check the magic number, it's not always an archive