alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (msg:"GPL NETBIOS SMB DCERPC LSASS DsRolerUpgradeDownlevelServer exploit attempt"; flow:to_server,established; flowbits:isset,netbios.lsass.bind.attempt; content:"|FF|SMB"; depth:4; offset:4; nocase; content:"|05|"; distance:59; content:"|00|"; within:1; distance:1; content:"|09 00|"; within:2; distance:19; reference:bugtraq,10108; reference:cve,2003-0533; reference:url,www.microsoft.com/technet/security/bulletin/MS04-011.mspx; classtype:attempted-admin; sid:2102511; rev:10; metadata:created_at 2010_09_23, cve CVE_2003_0533, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)