alert dns $HOME_NET any -> any any (msg:"ET MALWARE BAZAR CnC Domain in DNS Lookup"; dns.query; bsize:14; content:"portgame.bazar"; nocase; reference:url,www.vkremez.com/2020/04/lets-learn-trickbot-bazarbackdoor.html; classtype:command-and-control; sid:2030045; rev:3; metadata:attack_target Client_Endpoint, created_at 2020_04_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)