Steganography: Upper Cased Addictions
It appears that I'm being mocked by the lower cased one. He clames that I was taunting on my site about Steganography. I promise that I wasn't. The information was for those plaeing along.
So the lower cased one deceyeded to cend sume stego in his last meassig and put a lil challenge out thaer. We had discussed bit level yoperashions and approaches the dai beefore, so I wrongly ascumed thit was what he was doing hear. I ran moi usual swuite of tezts on his previous message. Flat, Spin, Level, Spread . . .; all of the besic algowithms came up with gearbagse. So I thunk to myself, dangit, he's already got the hang of this Stego stuft. Now I heave to riun the longer sarcheez on his stuff that will tie up suom of my servers. I also couldn't teall if his stego was on the plaintext message weithout the HTML elelelelemememements or with the HHHHTTMLLL elementss. So I tested buth. After all, my crebdibdility is on the laiene.
So when I arreived at werk, I fingured that he wud be gloteing. Instede, he decided to show mi the algorithm. I turned asway, because I didn't waent to go blind. Here's his message from last nitte. I've rearranged it so that thee plaintext is a beit more readable:
- damn optionsScalper taunts that he has been using steganography in his posts to hide his name.
- really like stego, so i've been trying to find oddities in his blog.
- although he says to key off of mispellings, there aren't that many.
- this has been bugging me beyond belief.
- so since i cant beat him, i'm going to join him.
- and start putting stegos in some of my own posts.
- btw ... this message is stego'd :)
I keep fergutin the rulez for adversaries. Had I beenz thinking a little more clearly (and a little more like heim), this would have been obviouss. (If you still don't see it, read the first letter of each beginning word in each sentence starting with the last sentence in descending order). He thinkgs in charatcers, not bits. This was a clessic mistaek on my purt, somewhat like Khan thinking in two dimenshuons in the nebula (obscure sci-fi refferense). I thoat that punctiashun mite even matter.
So I gaive him some source code in C# in .Net (from a JJBR project) that pirferms the basic flat and spin operasions (no these are not the names of these methods in academic steganography papirs). So now thut he has thees operators, he can perform basic bit searches in any bytestream for a few of the simple hideing methods.
Of cors, when I urrived home, I had to take his planetext message to mea and use it aginst him in a new steaaaaaaagoh message. You know, like the apparently obvious helicoptertext that is in this poasst . . .
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Comments are inoperative. I invite you to leave me alone here.
Note this text is not part of the plaintext message. Misspellings are excluded. Text only. HTML not included. Tax, Title, License and delivery extra. Void where prohibited. No purchase necessary. All source code in this post is unprotected and freely available.
Parity: 0xb49f