alert dns $HOME_NET any -> any any (msg:"ET MALWARE BadRabbit Ransomware Payment Onion Domain"; dns.query; content:"caforssztxqzf2nm."; fast_pattern; nocase; reference:md5,fbbdc39af1139aebba4da004475e8839; classtype:trojan-activity; sid:2024910; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_24, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_13, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)