alert tcp $EXTERNAL_NET any -> $HOME_NET 135 (msg:"GPL NETBIOS DCERPC LSASS bind attempt"; flow:to_server,established; content:"|05|"; depth:1; content:"|00|"; within:1; distance:1; byte_test:1,&,1,0,relative; content:"j|28 19|9|0C B1 D0 11 9B A8 00 C0|O|D9|.|F5|"; within:16; distance:29; flowbits:set,netbios.lsass.bind.attempt; flowbits:noalert; reference:bugtraq,10108; reference:cve,2003-0533; reference:url,www.microsoft.com/technet/security/bulletin/MS04-011.mspx; classtype:protocol-command-decode; sid:2102507; rev:8; metadata:created_at 2010_09_23, cve CVE_2003_0533, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)