alert dns $HOME_NET any -> any any (msg:"ET MALWARE Earth Berberoka Domain in DNS Lookup"; dns.query; dotprefix; content:".fuckbc.com"; nocase; endswith; reference:url,documents.trendmicro.com/assets/txt/earth-berberoka-windows-iocs-2.txt; classtype:domain-c2; sid:2036872; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_06, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_06;)