Versions (4)
Version DetailsCurrent
Rev: 5 • Sep 23, 2010, 12:00 PMGPL NETBIOS SMB-DS Trans2 FIND_FIRST2 attempt
alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"GPL NETBIOS SMB-DS Trans2 FIND_FIRST2 attempt"; flow:established,to_server; content:"|00|"; depth:1; content:"|FF|SMB2"; within:5; distance:3; content:"|01 00|"; within:2; distance:56; flowbits:set,smb.trans2; flowbits:noalert; classtype:protocol-command-decode; sid:2103141; rev:5; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Sep 23, 2010, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 15, 2025, 9:35 PM
rules/emerging-netbios.rules