alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to known Avaddon Ransomware Payment Domain"; dns.query; content:"avaddonbotrxmuyl.onion.pet"; bsize:26; reference:md5,c9ec0d9ff44f445ce5614cc87398b38d; classtype:trojan-activity; sid:2030251; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_05, deployment Perimeter, malware_family Ransomware, malware_family Avaddon, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)