RE: Backdoor not recognized by Kaspersky

["Jos Osborne" <Jos () meltemi co uk>]

> Does anyone else find this new development a bad idea?
>
> I'm of the mindset that anti-virus companies should stick with what 
> they're good at -- namely, detecting and handling infected files.  It 
> seems a bad idea to start down the natural language processing road. 
> Are they scanning just for Bagle/Beagle style e-mail, or are their 
> methods more general?  What about messages of the form:
>
> 'Password is a long yellow fruit enjoyed by monkeys.'

IMHO, anybody who actually thinks for a second of unzipping an attachment with that kind of message is straying into 
AskingForItland.
Even better how about:

'Password is a long yellow fruit enjoyed by monkeys. FALSE Password: 22103'

So the Av software scans the Zip as perfectly safe, and informs the user that all is well.

> What about messages in languages other than English?  I can easily see 
> this becoming an arms-race, and one the anti-virus folks have no chance 
> of winning.

What about "compression bombs"? Trying to add another task is just opening another vulnerability.

Jos

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