Snort mailing list archives

Re: need some attacks to test snort


From: Joel Esler <joel.esler () sourcefire com>
Date: Sun, 22 Apr 2007 14:49:20 -0400

I know www.testmyids.com has worked for some people.


+---------------------------------------------------------------------+
Joel Esler                                         Security Consultant
     gpg key: http://demo.sourcefire.com/jesler.pgp.key
+---------------------------------------------------------------------+



On Apr 22, 2007, at 12:12 PM, Benjamin Small wrote:

Hi Fossil,

There are several ways to test snort and to debug issues. If you  
are concerned
that snort isn't seeing the traffic you wish to detect, then you  
will want to
tcpdump on the interface and initiate traffic between the hosts you  
want to
monitor. There are a quite a few vulnerability scanners you can use  
to test a
snort sensor. These softwares can be complicated and are a little  
overkill if
you just want to ensure your snort sensor is firing properly.

A great way to test snort's ability to fire a signature with out  
having to
install a complicated vulnerability scanner is to use netcat and  
telnet.
Using netcat to initiate a listening port on a remote host, say  
port 80. You
can then telnet to the listener and feed it raw HTTP protocol. For  
example,
once connected feed it:

GET /etc/passwd HTTP/1.1<ENTER>
<ENTER>

Press enter instead of typing <ENTER>, but this will simulate a  
browser
requestion the /etc/passwd file on a webserver. This should fire
the /etc/passwd signature, confirming the sensor is operating  
correctly.

Regards,
Benjamin

On Friday 20 April 2007 02:08, Patrick S. Harper wrote:
Nessus will do that, he just mentioned that if your curently  
reciving ICMP
alerts then you know Snort is runing. You also look might look at
metasploit.

-----Original Message-----
From: snort-users-bounces () lists sourceforge net [mailto:snort-users-
bounces () lists sourceforge net] On Behalf Of Fossil
Sent: Friday, April 20, 2007 12:43 AM
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] need some attacks to test snort

Thank you Joel
Sure, I will try BASE. About the ICMP, ya thats true but i want to
study more about how this rules get fired and how attacks are  
made, so
i was looking for more attacks for my understanding and learning  
about
the network security. so if you have more info regarding where i can
download those codes i will more than helpful.
best regards
fossil



Fossil,

#1 -- Don't use ACID, use BASE.  http://base.secureideas.net
#2 -- You can use something like nessus to make Snort alert to make
sure it's generating alerts, however, if you already receiving ICMP
alerts, then you know it working properly.

Joel

+------------------------------------------------------------------- 
--+
Joel Esler                                         Security  
Consultant
     gpg key: http://demo.sourcefire.com/jesler.pgp.key
+------------------------------------------------------------------- 
--+

On Apr 19, 2007, at 9:43 PM, Fossil wrote:
Hello every one
i have installed snort and Acid
now i need some attacks - code by which i can check snort. i mean
some example code, script by running that on other machine, the
snort generates alert.

is there a site where i can download some attacks for testing
purpose. i have the ICMP or ping based attacks but i want other
ones. is there a source where i can download that code

any help will be appreciated
Thanks and regards
fossil

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