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| Subject: | [Snort-sigs] new rule for detect windows NAT DNS DoS |
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| Date: | Tue, 31 Oct 2006 10:13:44 +0100 (CET) |
Hi, please check and maybe add this new rule : dns.rules:alert udp $EXTERNAL_NET any -> $HOME_NET 53 (msg:"DNS Windows NAT DoS attempt"; content:"|01 00|"; offset:2; content:"|00 00|"; offset:10; reference:cve,2006-5614; classtype:bad-unknown; rev:1;) "Overview: Microsoft Windows NAT Helper components (ipnathlp.dll) on windows XP SP2, when internet connection sharing is enabled, allows remote attackers to cause DoS (svchost.exe crash) via malformed DNS query, which results in a null pointer dereference." Any suggestions and improvements are welcome, This rule is offered by Crusoe Researches (Team) http://www.crusoe-researches.com Regards Rmkml ------------------------------------------------------------------------- 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
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