[Snort-sigs] New sig for detecting a Zip file contains directory traversal

Joshua Williams joshuwi2 at ...435...
Mon Nov 14 15:12:44 EST 2016


rmkml,

Thanks for your submission. I'll review and test this and get back to you
when it has finished.

--
Josh Williams
Detection Response Team
TALOS Security Group

On Mon, Nov 14, 2016 at 2:08 PM, rmkml <rmkml at ...4129...> wrote:

> Hi,
>
> Please check a new sig, created old 8 years ago, for detecting a Zip file
> contains directory traversal:
>
> alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"WEB-CLIENT ZIP
> filename dir traversal attempt"; flow:to_client,established; file_data;
> content:"PK|03 04|"; within:4; distance:0; content:".."; within:30;
> distance:26; pcre:"/^PK\x03\x04.{26}.{0,30}\.\.(?:\\|\/|\%2[fF]|\%5[cC])/
> sm";
> reference:url,www.exploit-db.com/exploits/40741/;
> reference:cve,2015-5662; reference:cve,2015-1080; reference:cve,2008-5275;
> reference:cve,2007-4545;
> reference:bugtraq,25419; reference:cve,2007-2058; reference:bugtraq,23471;
> reference:cve,2006-2520; reference:bugtraq,18065; reference:osvdb,25693;
> reference:cve,2006-1323; reference:bugtraq,17153; reference:cve,2006-0932;
> reference:cve,2006-0890; reference:cve,2005-3484; reference:bugtraq,15288;
> reference:cve,2005-2670; reference:bugtraq,14606; reference:cve,2005-2619;
> reference:bugtraq,16576; reference:osvdb,23066; reference:cve,2005-0331;
> reference:bugtraq,12422; reference:cve,2005-0329; reference:bugtraq,12419;
> reference:cve,2005-0304; reference:bugtraq,12332; reference:cve,2005-0213;
> reference:bugtraq,12176; reference:cve,2001-1268;
> classtype:web-application-activity; sid:1; rev:1;)
>
> Don't forget check variables.
>
> Please send any comments.
>
> Regards
> @Rmkml
>
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