ET MALWARE Win32/Nemty Ransomware Style Geo IP Check M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Nemty Ransomware Style Geo IP Check M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent;
    content:"Chrome"; fast_pattern; bsize:6;
    http.host;
    content:"api.db-ip.com"; endswith;
    http.header_names;
    content:!"Accept";
    content:!"Referer";
    reference:url,www.bleepingcomputer.com/news/security/new-nemty-ransomware-may-spread-via-compromised-rdp-conn;
    reference:md5,0e0b7b238a06a2a37a4de06a5ab5e615;
    classtype:trojan-activity;
    sid:2027913; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_26, deployment Perimeter, malware_family Nemty, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17, reviewed_at 2024_02_20, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)