[WM]: steganalysis attack against spammimic

[Claudio/vecna <vecna@sikurezza.org>]

I've published this simple analysis:

http://www.delirandom.net/20070407/steganalysis-attack-against-spammimic/

The author of www.spammimic.com has answer me with:

> As the author of that report pointed out, I am a bit constrained but 
> backwards
> compatibility.  It wouldn't be nice to my users to change the coding.  
> If I had
> a selection of codings available it would confuse some recipients.
>
> It still works as a casual tool.

I've answer to him:

> I've study this problem for stegoclick 
> http://www.delirandom.net/20070402/stegoclick-01/ because, two days 
> after the release of 0.1, I've build a better 0.2, and some idea for 
> 0.3 and so on...
>
> The unique solution IMHO, is to do a simple encoding set (able to 
> contain 4 bit = 8 combination) usefull for detect the "encoding 
> version", o ar "steganographyc protocol version", so will be able to 
> decode correctly the message. the 4 bit should stay in a specific 
> fixed cover, unchanged between different releases. 

What do you think about ?

Thanks, have a nice day
Claudio/vecna


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