alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Loki Locker Ransomware User-Agent"; flow:established,to_server; http.user_agent; content:"Loki/"; startswith; reference:url,blogs.blackberry.com/en/2022/03/lokilocker-ransomware; reference:md5,8aea251877cb4f5ee6cf357831f8620c; reference:url,twitter.com/James_inthe_box/status/1504194638885711872; classtype:trojan-activity; sid:2035510; rev:1; metadata:created_at 2022_03_17, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17;)