alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"GPL NETBIOS SMB-DS NT Trans NT CREATE DACL overflow attempt"; flow:established,to_server; content:"|00|"; depth:1; content:"|FF|SMB|A0|"; within:5; distance:3; byte_test:1,!&,128,6,relative; content:"|01 00|"; within:2; distance:64; byte_jump:4,-7,little,relative,from_beginning; content:!"|00 00 00 00|"; within:4; distance:20; byte_jump:4,20,relative,little; byte_test:4,>,32,-16,relative,little; reference:cve,2004-1154; classtype:protocol-command-decode; sid:2103038; rev:5; metadata:created_at 2010_09_23, cve CVE_2004_1154, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)