Snort mailing list archives
Re: Trouble with HTTP status message rule
From: "lists () packetmail net" <lists () packetmail net>
Date: Thu, 12 Mar 2015 17:02:50 -0500
On 03/12/2015 04:57 PM, Research wrote:
Currently my rule is: alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS \ (msg: "Web resource not found"; flow:established,to_server; content:"404"; http_stat_code; priority:4; sid:2000110; rev:001;) http://mywebserver.com/notthere …the rule does not fire. I was wondering what I am missing.
The direction of the rule seems wrong to me since the HTTPd would be going "HTTP 404" to the client. I can't think of where the client would be sending an HTTP Response code for an HTTP Request. I think you want to flip it, and once you do, it'll work. Not sure why it fires in testing honestly unless you have '404' somewhere in your HTTP Request... alert tcp $HOME_NET $HTTP_PORTS -> $EXTERNAL_NET any (msg:"Web resource not found"; flow:established,from_server; content:"404"; http_stat_code; ... Cheers, Nathan ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort!
Current thread:
- Trouble with HTTP status message rule Research (Mar 12)
- SOLVED - Trouble with HTTP status message rule Research (Mar 12)
- Re: SOLVED - Trouble with HTTP status message rule Joel Esler (jesler) (Mar 12)
- Re: SOLVED - Trouble with HTTP status message rule Research (Mar 12)
- Re: SOLVED - Trouble with HTTP status message rule Joel Esler (jesler) (Mar 12)
- Re: Trouble with HTTP status message rule lists () packetmail net (Mar 12)
- Re: Trouble with HTTP status message rule Rodrigo Montoro(Sp0oKeR) (Mar 12)
- SOLVED - Trouble with HTTP status message rule Research (Mar 12)