alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to TOX Ransomware onion (toxicola7qwv37qj)"; dns.query; content:"toxicola7qwv37qj"; depth:16; fast_pattern; nocase; reference:url,blogs.mcafee.com/mcafee-labs/meet-tox-ransomware-for-the-rest-of-us; classtype:trojan-activity; sid:2021204; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_06_08, deployment Perimeter, confidence Medium, signature_severity Major, tag Ransomware, updated_at 2020_09_01, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)