ET MALWARE Common Stealer Behavior - Source IP Associated with Hosting Provider Check via ip.api .com

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Common Stealer Behavior - Source IP Associated with Hosting Provider Check via ip.api .com";
    flow:established,to_server;
    urilen:21;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|line|2f 3f|fields|3d|hosting"; fast_pattern;
    http.header_names; bsize:22;
    content:"|0d 0a|host|0d 0a|connection|0d 0a 0d 0a|"; nocase;
    http.host; bsize:10;
    content:"ip-api.com";
    http.connection; bsize:10;
    content:"Keep-Alive";
    threshold:type limit,count 1,seconds 300,track by_src;
    classtype:trojan-activity;
    sid:2062720; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2025_06_03, deployment Perimeter, former_category HUNTING, confidence Medium, signature_severity Critical, updated_at 2025_06_09;
    target:src_ip;
)