alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"GPL NETBIOS SMB-DS DCERPC print spool bind attempt"; flow:to_server,established; content:"|00|"; depth:1; content:"|FF|SMB%"; depth:5; offset:4; nocase; content:"&|00|"; within:2; distance:56; content:"|5C 00|P|00|I|00|P|00|E|00 5C 00 00 00 05 00 0B|"; within:17; distance:5; byte_test:1,&,16,1,relative; content:"xV4|12|4|12 CD AB EF 00 01 23|Eg|89 AB|"; within:16; distance:29; flowbits:set,dce.printer.bind; flowbits:noalert; classtype:protocol-command-decode; sid:2102348; rev:7; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)