alert tcp $HOME_NET any -> [88.53.215.64,217.96.33.164,203.131.222.102,208.105.226.235,212.31.102.100,58.185.154.99,200.87.126.116] any (msg:"ET MALWARE Sony Breach Wiper Callout"; flow:established; threshold:type limit,count 2,track by_src,seconds 300; reference:url,krebsonsecurity.com/2014/12/sony-breach-may-have-exposed-employee-healthcare-salary-data; classtype:trojan-activity; sid:2019848; rev:3; metadata:created_at 2014_12_03, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)