Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Ransomware Locky .onion Payment Domain (hw5qrh6fxv2tnaqn)"; dns_query; content:"hw5qrh6fxv2tnaqn"; depth:16; fast_pattern; nocase; reference:url,nakedsecurity.sophos.com/2016/02/17/locky-ransomware-what-you-need-to-know/; classtype:trojan-activity; sid:2022806; rev:3; metadata:attack_target Client_Endpoint, created_at 2016_05_16, deployment Perimeter, confidence High, signature_severity Major, tag Ransomware, updated_at 2019_08_30, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)