So, I'm curious about how things like the 4chan.hta were made. If you're not familiar, it's basically an image file that when saved as an hta epuld execute some entertaining code. The only way I could think it'd work is if it the text was converted to binary and then that was used for the image. So any ideas?
WELL FIRST OFF YOURE A BIT OF A NEWFAG SO YOU DONT REMEMBER IT BY THERE WAS FIRST THE 4chan.js ``MIND-VIRUS'' THAT SPREAD WITH A RED CIRCLE (THIS WAS WAY BEFORE THE CAPTCHA AND A BIT BEFORE CHANOLOGY SO YOU DEFINATELY WERENT THERE) AND WAS COMPOSED OF JAVASCRIPT INSTEAD OF VISUAL BASIC SCRIPT OR PERL OR ANYTHING ELSE. THE WINDOWS SCRIPT HOST (WSCRIPT.EXE OR CSCRIPT.EXE) LOOKS FOR THE FIRST BYTES OF THE FILE ITS BEEN IMPUTTED THIS RELIES ON THE IDEA THAT THE EXTRA SHIT AT THE END OF AN IMAGE FILE WHICH MIGHT BE A JPEG PNG GIF APNG TIFF TGA OR PCX FILE WILL BE IGNORED BY THE BROWSER OR IN THE CASE OF SOME OF THOSE IGNORED ENTIRELY AND DOWNLOADED HAHAHAH SO YOU CAN APPEND SHIT TO THE END OF THE FILE IF IT DOESNT FIND IT IT MOVES ON TO THE NEXT ONE AND SO ON UNTIL IT FINDS SOME SHIT IT CAN EAT THEN IT EXECUTES THIS TO THE REST OF THE FILE. THAT HAS NOTHING TO DO WITH 4chan.hta THOUGH OTHER THAN SET THE BACKGROUND 4chan.hta WAS DIFFERENT BECAUSE IT REQUIRED BEING COPIED INTO M$PAINT AND SAVED AS A BITMAP THEN RENAMED TO AN EXECUTABLE AND EXECUTED REALLY MAKES YOU WONDER ABOUT WHAT SORT OF MINDLESS MORON WOULD FALL FOR THAT. IT ALSO SCOPED UP FILES FROM THE ``VICTIMS'' HARD DRIVE AND STORED THEM IN THE IMAGES THAT IT WOULD SPAM (THIS WAS BEFORE CAPTCHA REMEMBER) WHICH LEAD TO SOME WEIRD THINGS THAT I SAW BUT SADLY NO CP BUT STUFF LIKE SOME PREISTS DIARY (BUT NO RAPE :(). ANYWAY WHAT IM SAYING IS THAT YOU ARE CORRECT IN YOUR ASSUMPTION THAT THE CODE WAS INDEED STORED AS BINARY DIGITS (AS IS ALL COMPUTER DATA) AND WAS THEN EXECUTED IN THE SAME MANNER OF 4chan.js WITCH IS WHY I EXPLAINED THAT FIRST BUT CORNEILIA AS THEY CALLED HER ON THE JAPAN BOARD WAS WAY MORE ADVANCED IF YOU WANT TO READ UP ON HOW THE DATA WAS STORED THEN YOU CAN LOOK INTO A STANDARDIZED CODE INTERCHANGE INTERFACE (ASCII) WHICH IT WAS PROBABLY STORED WITH BUT MIGHT HAVE BEEN ASCII I HAVE A FEW CORNEIAL IMAGES RIGHT HERE BUT I DONT THING IT WOULD BE NICE TO UPLOAD THEM
welllllll, actually that's an interesting problem to solve. Create an image in some format that is also a valid binary on some operating system. It would be a file format matching problem. You'll have to get the headers to make sense for both formats. Pick a format that where you specify the image dimensions and then the pixel data is just a chunk of arbitrary bits. You'll have the most luck with that.
But I still don't see the application of it, past telling gullible people to rename it to .exe and click it.