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Re: (no subject)


From: Ralf Hildebrandt <Ralf.Hildebrandt () charite de>
Date: Fri, 26 Apr 2002 01:03:35 +0200

On Wed, Apr 24, 2002 at 04:43:37PM -0400, C Boss wrote:

alert tcp $EXTERNAL_NET any -> $SMTP 25 (msg:"SMTP RCPT TO overflow"; 
flags:A+; content:"rcpt to|3a|"; dsize:>800; reference:cve,CAN-2001-0260; 
reference:bugtraq,2283; classtype:attempted-admin; sid:654; rev:1;)

is it looking at the data size of the SMTP "content" field or the size of 
the payload ?

What is a "SMTP content field"?
I think you'e mixing SMTP with MIME, aren't you?

-- 
Ralf Hildebrandt (Im Auftrag des Referat V A)   Ralf.Hildebrandt () charite de
Charite Campus Virchow-Klinikum                 Tel.  +49 (0)30-450 570-155
Referat V A - Kommunikationsnetze -             Fax.  +49 (0)30-450 570-916
Why you can't find your system administrators:
Hiding in another office where he can work without getting interrupted. 


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