ET MALWARE Observed ClickFix WebPage Inbound

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Observed ClickFix WebPage Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|28|function|28 5f|0x";
    content:"|27|i|5c|x27m|5c|x20not|5c|x20a|5c|x20robot|27|"; nocase; fast_pattern;
    content:"captcha"; nocase;
    content:"|3d 27|powershell|5c|x20|2d|";
    classtype:trojan-activity;
    sid:2067131; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_01_27, deployment Perimeter, deployment SSLDecrypt, malware_family ClickFix, confidence High, signature_severity Major, updated_at 2026_01_27;
    target:dest_ip;
)