alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE ZeuS Ransomware win_unlock"; flow:established,to_server; content:"/locker/lock.php?id="; http_uri; reference:url,www.f-secure.com/weblog/archives/00002367.html; reference:md5,14a1d23b5a8b4f5c186bc5082ede4596; classtype:trojan-activity; sid:2014797; rev:4; metadata:attack_target Client_Endpoint, created_at 2012_05_22, deployment Perimeter, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)