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;
)