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] new rule for detect windows NAT DNS DoS

from [Frank Knobbe] Network Security [Permanent Link]
Subject: Re: [Snort-sigs] new rule for detect windows NAT DNS DoS
Date: Tue, 31 Oct 2006 13:32:03 -0600 
On Tue, 2006-10-31 at 11:22 -0500, M. Shirk wrote:

This is what I had.
Its the Query, with the other values set to null.

alert tcp $HOME_NET any -> any 53 (msg:"DNS Goes bad on Windows"; 
content:"|01 00|"; offset: 2; byte_test:8,=,0,0,relative; rev:1; sid:666; )


Looks identical, except using byte_test instead of a second content.
That should be FP'ing a lot too, or not?

-Frank



-- 
It is said that the Internet is a public utility. As such, it is best
compared to a sewer. A big, fat pipe with a bunch of crap sloshing
against your ports.

Attachment: signature.asc
Description: This is a digitally signed message part

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Snort-sigs mailing list
Snort-sigs@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/snort-sigs
[More messages with this same subject...]




<Prev in Thread] Current Thread [Next in Thread>
Previous by Date:  Re: [Snort-sigs] new rule for detect windows NAT DNS DoS, M. Shirk
Next by Date:  Re: [Snort-sigs] new rule for detect windows NAT DNS DoS, Frank Knobbe
Previous by Thread:  Re: [Snort-sigs] new rule for detect windows NAT DNS DoS, M. Shirk
Next by Thread:  Re: [Snort-sigs] new rule for detect windows NAT DNS DoS, Frank Knobbe
Indexes:  [Date] [Thread] [Top] [All Lists]