[OPENSSH] Failed password - Brute force [10/5]

alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[OPENSSH] Failed password - Brute force [10/5]"; content: "Failed password"; program: sshd; normalize; parse_port; parse_src_ip: 1; xbits: set,brute_force,track ip_src, expire 21600; default_proto: tcp; default_dst_port: $SSH_PORT; classtype: brute-force; sid: 5001646; after: track by_src&by_username, count 10, seconds 300; threshold: type suppress, track by_src, count 1, seconds 300; rev:16;)