alert dns $HOME_NET any -> any any (msg:"ET MALWARE DeepEnd Research Ransomware CrypMIC Payment Onion Domain"; dns_query; content:"u73tcilcw2cw2by5"; depth:16; fast_pattern; nocase; reference:url,www.deependresearch.org/2017/01/threat-intel-ransomware-payment-sites.html; classtype:trojan-activity; sid:2024112; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_29, deployment Perimeter, malware_family Ransomware, confidence High, signature_severity Major, tag Ransomware_Onion_Domain, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_30, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)