RE: Dectecting Social Security Numbers?

["Harper, Patrick" <patrick.harper () phns com>]

It will catch some cookies too, but works pretty good over all.  I am
not the best at rule writing :)  
There is a way to make it only trigger if there is a blank space in
front and back but I have not had the time to look it up.  If anyone
know how to do this off the top of there head let me know.  Although
this is really a snort-sigs question.  (I hope there is a penalty drink
in that for me seeing as it is Friday.  I guess I could answer my own
post and reply in HTML and that would start the evening off right :) )


 
-----Original Message-----
From: Lyons, Jon [mailto:Jon_Lyons () enh org] 
Sent: Friday, September 10, 2004 3:15 PM
To: Harper, Patrick; snort-users () lists sourceforge net
Subject: RE: [Snort-users] Dectecting Social Security Numbers?

Thanks, I've tried multiple rules, but this one works the best...

Thanks!

-----Original Message-----
From: Harper, Patrick [mailto:patrick.harper () phns com]
Sent: Friday, September 10, 2004 3:10 PM
To: Lyons, Jon; snort-users () lists sourceforge net
Subject: RE: [Snort-users] Dectecting Social Security Numbers?

I use:

alert ip $HOME_NET any -> $EXTERNAL_NET any
(pcre:"/[1-9]{3,3}[-][1-9]{2,2}[-][1-9]{4,4}/"; msg:"SSN# in clear
text"; classtype:policy-violation; sid:2000370; rev:2;)  


Works for me
 
-----Original Message-----
From: Lyons, Jon [mailto:Jon_Lyons () enh org]
Sent: Friday, September 10, 2004 1:02 PM
To: snort-users () lists sourceforge net
Subject: [Snort-users] Dectecting Social Security Numbers?

 
I'm trying to get snort to generate an alert for SS#'s, I've tried the
rule below but no alerts are generated. I tested this with pcretest and
it works...am I missing something?
alert tcp any any -> any any (msg:"Socail Security Number Clear Text";
pcre:"m!(\d\d\d[-/]\d\d[-/]\d\d\d\d)\Z!";)




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