alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (msg:"GPL NETBIOS SMB nddeapi bind attempt"; flow:established,to_server; flowbits:isset,smb.tree.create.nddeapi; content:"|00|"; depth:1; content:"|FF|SMB%"; within:5; distance:3; byte_test:1,!&,128,6,relative; content:"&|00|"; within:2; distance:56; content:"|5C|PIPE|5C 00|"; distance:4; nocase; byte_jump:2,-10,relative,from_beginning; content:"|05|"; distance:4; within:1; content:"|0B|"; within:1; distance:1; content:" 2_/&|C1|v|10 B5|I|07|M|07 86 19 DA|"; within:16; distance:29; flowbits:set,smb.tree.bind.nddeapi; reference:bugtraq,11372; reference:cve,2004-0206; classtype:protocol-command-decode; sid:2102932; rev:6; metadata:created_at 2010_09_23, cve CVE_2004_0206, signature_severity Informational, updated_at 2019_07_26;)