alert dns $HOME_NET any -> any any (msg:"ET MALWARE Ransomware Locky Possible Payment Page"; dns.query; content:"25z5g623wpqpdwis"; startswith; fast_pattern; nocase; classtype:trojan-activity; sid:2022680; rev:5; metadata:attack_target Client_Endpoint, created_at 2016_03_28, deployment Perimeter, confidence Medium, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_13, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)