alert dns $HOME_NET any -> any any (msg:"ET MALWARE Mirai Botnet Domain Observed"; dns.query; content:"kedbuffigfjs.online"; depth:19; nocase; endswith; fast_pattern; reference:url,blog.opendns.com/2016/12/13/query-volumes-mirai-dgas/; classtype:trojan-activity; sid:2023632; rev:5; metadata:attack_target Networking_Equipment, created_at 2016_12_13, deployment Perimeter, malware_family Mirai, confidence High, signature_severity Major, updated_at 2020_09_17;)