alert dns $HOME_NET any -> any any (msg:"ET MALWARE Lu0bot CnC Domain in DNS Lookup (bic .xdk03 .fun)"; dns.query; dotprefix; content:".bic.xdk03.fun"; nocase; endswith; reference:url,any.run/cybersecurity-blog/lu0bot-analysis/; classtype:trojan-activity; sid:2048322; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_09_28, deployment Perimeter, malware_family lu0bot, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_02, reviewed_at 2024_10_02;)