North American Network Operators Group
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Re: IBM to offer service to bounce unwanted e-mail back to the computers that sent them
- From: Florian Weimer
- Date: Tue Mar 22 14:29:41 2005
* Colin Johnston:
> The better idea would be fingerprint the spam to match the bot used to match
> the exploit used to run the bot to then reverse exploit back to the
> exploited machine patching in the process.
Doesn't work reliably. A lot of bots close the attack vector they
used, to prevent infection by just another bot. There's also a lot of
cross-infection behind packet filters, which stop the same attack from
the Internet.
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