alert dns $HOME_NET any -> any any (msg:"ET DELETED ABUSE.CH Ransomware Domain Detected (TorrentLocker C2)"; dns_query; content:".verekt.biz"; fast_pattern; pcre:"/[a-z]{4,10}\.verekt\.biz$/"; reference:url,ransomwaretracker.abuse.ch; classtype:command-and-control; sid:2022727; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_04_13, deployment Perimeter, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_27, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)