Re: Snort -Problem with rule -

[Joe Bowes <joebowes50 () yahoo com>]

Hello.....i am working on a class assignment.....having a hard time....need to learn how to export packets from 
wireshark into Snort.....any help greatly appreciated. 

Sent from Yahoo Mail on Android 
 
  On Sun, Apr 30, 2017 at 4:26 PM, Al Lewis (allewi)<allewi () cisco com> wrote:   Hello,

    It may be easier to get help if you included a pcap of the traffic.

Thanks.

Albert Lewis
ENGINEER.SOFTWARE ENGINEERING
SOURCEfire, Inc. now part of Cisco
Email: allewi () cisco com 








On 4/28/17, 9:05 PM, "younes.abderrahmane31 () gmail com" <younes.abderrahmane31 () gmail com> wrote:

> Hello everyone 
> I am trying to test SQLI with a snort
> I have two machines:
> 1- Where I installedSNORT, and the application dvwa (to test sql injection)
> 2- The machine which is going to make the attack Sqli injection on the dvwa application 
>
> So in the first machine I added this rule (in local.rule), To detect Sqli
> (https://www.linkedin.com/pulse/detecting-sql-injections-real-time-mission-impossible-val-smirnov) 
> ************************************************************
> alert tcp any any -> any any (msg:"SQL 1 = 1 - possible sql injection attempt"; flow:to_server,established; 
> content:"1%3D1"; fast_pattern:only; http_client_body; pcre:"/or\++1%3D1/Pi"; metadata:policy balanced-ips drop, policy 
> security-ips drop, service http; reference:url,ferruh.mavituna.com/sql-injection-cheatsheet-oku/; 
> classtype:web-application-attack; sid:10000002; rev:002;)
> **************************************************************
>
> And after the test
> sudo snort -T -c /etc/snort/snort.conf -i eth0
> sudo snort -A console -c /etc/snort/snort.conf -i eth0
> Snort detect nothing (for  exemple ‘1or1=1#)
>
> But when I deleted the part pcre of the rule, snort detect it 
> **********************************************************************************************
> alert tcp any any -> any any (msg:"SQL 1 = 1 - possible sql injection attempt"; flow:to_server,established; 
> content:"1%3D1"; sid:10000002; rev:002;)
> ***********************************************************************************************
>
>
> Someone can help me, why the first rule does not work  (pcre )
> Thank's.
>
>
> Sent from Mail for Windows 10
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