Snort mailing list archives

Re: Re: [Snort-sigs] capturing and inspecting an email!


From: Dragos Ruiu <dr () kyx net>
Date: Fri, 4 Jul 2003 23:37:01 -0700

mailsnarf, grepmail

--dr

On July 4, 2003 09:28 pm, Jon Baer wrote:
you can try using the session keyword in your alerts:

alert tcp any any -> any 110 (msg: "Password string"; content: "password";
session: printable;)

- jon

pgp key: http://www.jonbaer.net/jonbaer.asc
fingerprint: F438 A47E C45E 8B27 F68C 1F9B 41DB DB8B 9A0C AF47


  ----- Original Message -----
  From: Héroux, Christian
  To: snort-sigs () lists sourceforge net
  Sent: Friday, July 04, 2003 3:09 PM
  Subject: [Snort-sigs] capturing and inspecting an email!


  Hello all !



        I would like to make a rule not base on a single packet but on the
whole sequence of packet forming an email to check for the word "password"
and log that email. I have checked the rules and they only inspect at the
level packet! How do you use the preprocess Stream4 when writing a rule?



  Can you point out some exemple with preprocess Stream4 and
Stream4_Reassemble.



  Thanks

-- 
pgpkey http://dragos.com/ kyxpgp


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