Ethical Hacking

Learn to find vulnerabilities before the bad guys do! Gain real world hands on hacking experience in our state of the art hacking lab. Course designed and taught by expert instructors with years of penetration testing experience. 12 student maximum in every class. Certification attempt included in every package.
Computer Forensics Training at InfoSec Institute

Gain the in-demand skills of a certified computer examiner, learn to recover trace data left behind by fraud, theft, and cybercrime perpetrators. Discover the source of computer crime and abuse at your organization so that it never happens again. All of our class sizes are guaranteed to be 12 students or less to facilitate one-on-one interaction with one of our expert instructors.




Network Security Snort-Signatures
[Top] [All Lists]
<prev [Date] next>
[Advanced]
 <prev [Thread] next>

Re: [Snort-sigs] SSH brute force attack sig

from [bmc] Network Security [Permanent Link]
Subject: Re: [Snort-sigs] SSH brute force attack sig
Date: Thu, 7 Jul 2005 11:39:20 -0400 
On Wed, Jul 06, 2005 at 06:19:42PM -0500, Frank Knobbe wrote:

On Wed, 2005-07-06 at 15:27 -0400, bmc@snort.org wrote:

On Wed, Jul 06, 2005 at 02:02:19PM -0500, Paul Schmehl wrote:

# New rule for catching ssh brute-force attacks
alert tcp $HOME_NET any -> any 22 (msg:"SSH Brute-Force attack";
threshold: type both, track by_src, count 2000, seconds 60;
classtype:trojan-activity; sid:1000281; rev:2;)


Hehe... looks like the "flags:S;" somehow got dropped from your quote
there Brian :)


In Paul Schmehl's original email (which I quoted) "flags:S;" was not in
the rule. "flags:S;" is in the 'near perfect' rule.  :)

Brian


-------------------------------------------------------
SF.Net email is sponsored by: Discover Easy Linux Migration Strategies
from IBM. Find simple to follow Roadmaps, straightforward articles,
informative Webcasts and more! Get everything you need to get up to
speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click
_______________________________________________
Snort-sigs mailing list
Snort-sigs@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/snort-sigs
[More with this subject...]




<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [Snort-sigs] SSH brute force attack sig, Nigel Houghton
Next by Date:  Re: [Snort-sigs] SSH brute force attack sig, Jeff Kell
Previous by Thread:  Re: [Snort-sigs] SSH brute force attack sig, James Riden
Next by Thread:  [Snort-sigs] new multiple change on sid (snort233b14), rmkml
Indexes:  [Date] [Thread] [Top] [All Lists]