Snort mailing list archives

Re: Action Recommendations


From: "Margles Singleton" <MarglesSingleton () firsthealth com>
Date: Mon, 11 Nov 2002 14:34:14 -0600

correct:  dshield.org, including a little script

mas

"Justin Jessup" <jaager7 () earthlink net> 10/27/02 05:55PM >>>
i believe SANS has such a database setup, with the most frequent
abusive IP addresses listed


jj

Steve Suehring <snort () braingia org> wrote:
__________
On Sun, Oct 27, 2002 at 01:20:04PM -0500, Jarret Gibson wrote: 
   - Should I bother with reporting these security problems to the 
   offending person's ISP / office?  I've heard most of you say that

   people rarely (if ever) do anything about the script kiddies /
hackers 
   when you report them. 

I can't so much speak to the other questions in the email, but as far
as  
reporting goes, it depends on a few factors.   

I've found that three major factors come into play when reporting: 
Which  
ISP owns the IP space, what you're reporting, what you include in the 

report. 

First and foremost, it is unfortunate to say that it depends on which
ISP 
you report the activity to.  It appears that some ISPs absolutely
don't 
care what happens within their IP space.  This is the direct result of
the 
abuse department not having enough resources and in some cases not
having 
a clue.  I've found *and this is just my opinion* that cable companies
and  
telephone companies that now sell Internet are many times lacking in
both.   

Secondly, what you're reporting is also important.  The abuse
department  
receives massive amounts of email.  If you're reporting a simple
'wrong  
number' type scan where someone typed in the wrong IP, they're likely
to  
not pursue it.  Again, this goes back to the abuse department not
having  
enough resources. 

Finally, what you include in the report is also important.  I've seen
a 
number of reports come in from people all over claiming that a
customer 
was doing something.  In fact, sometimes the report would say just
that 
"one of your customers is doing something to my web server, stop now!"
  
Obviously, there's lots we could do with a report like that.  :)  If
you 
include information such as logfiles, timezone, why exactly this was
bad 
or indicative of abuse, etc, your report would have a better chance of

being investigated.  This somewhat ties in with the abuse department
not  
having a clue and not having resources. 

Again, the ISP is the biggest factor in the process.  Some ISPs are
great  
at slapping users, others seem to have a blackhole abuse mailbox.   

One idea (that someone else has already had, I'm sure) would be to set
up 
centralized site that contained an abuse reports database.  You could
then 
grab the list sorted by the top 10 subnets that the hijinx originates
from 
and block 'em.  Part of the databse could contain whether or not the 
activity was reported to the ISP and what they did about it. 
Correlating 
that information it would become evident which ISPs are attempting to
do 
something about abuse from their IP space.  If this isn't out there 
already and there is some interest, I'd be willing to look into it 
further. I thought I saw something like this on ISS or SANS or
someone, I 
can't remember. 

Anyway, hope that helps to give you an idea on reporting things. 

Steve 


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