alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Loki Locker Ransomware CnC Activity"; flow:established,to_server; http.method; content:"POST"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"unique-id="; fast_pattern; content:"disk-size="; content:"|20|GB&"; within:10; content:"user="; 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:2035509; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_17, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)