Re: SID 23115 appears to be triggering to soon with 2.9.1.2 SNORT using latest rules

[Joel Esler <jesler () sourcefire com>]

Robert,

We've reopened the bug, we'll take a look.

--
Joel Esler
Senior Research Engineer, VRT
OpenSource Community Manager
Sourcefire

On Jun 26, 2012, at 1:08 AM, Robert Cotter <Robert.Cotter () endace com> wrote:

> Looking at a pcap of the traffic between the server and client  there was only 1 login attempts in the last 15 
> seconds before the trigger, and that login triggered the alert.
>  
> I read the rule as being tailored to track login attempts per source client IP to the server over the last 5 seconds. 
> Correct??
>  
> Is there a problem with the rule ?
>  
> alert tcp any any -> $SQL_SERVERS 3306 ( msg:"SQL MySQL/MariaDB client authentication bypass 
> attempt";flow:to_server,established;content:"|00 00 01|";depth:3;offset:1;fast_pattern;content:"|00 00 00 00 00 00 00 
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|";within:23;distance:9;pcre:"/^\w+\x00/iRm";detection_filter:track 
> by_src,count 100, seconds 5;metadata:policy balanced-ips drop, policy security-ips drop, service 
> mysql;reference:cve,2012-2122;classtype:attempted-admin;sid:23115;rev:2; )
>  
> Regards
>  
> -- 
> Robert Cotter
>
>  
>
> -- 
> Robert Cotter
> Sales Engineer APAC - Endace
>
> robert.cotter () endace com 
> DDI: +64 9 926 2931   Mob: +64 21 675 550 
> www.endace.com; LinkedIn; follow us on Twitter
>
> power to see all
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