# Nginx WAF rules for JAVA
# Automatically generated from OWASP rules.
# Include this file in your server or location block.

map $request_uri $waf_block_java {
    default 0;
    "~*(?i)(?:$|$?)(?:{|&l(?:brace|cub);?)(?:[^}]{0,15}(?:$|$?)(?:{|&l(?:brace|cub);?)|jndi|ctx)" 1;
    "~*javab.+(?:runtime|processbuilder)" 1;
    "~*(?:class.module.classLoader.resources.context.parent.pipeline|springframework.context.support.FileSystemXmlApplicationContext)" 1;
    "~*(?:runtime|processbuilder)" 1;
    "~*(?:unmarshaller|base64data|java.)" 1;
    "~*xacxedx00x05" 1;
    "~*(?:rO0ABQ|KztAAU|Cs7QAF)" 1;
    "~*(?:cnVudGltZQ|HJ1bnRpbWU|BydW50aW1l|cHJvY2Vzc2J1aWxkZXI|HByb2Nlc3NidWlsZGVy|Bwcm9jZXNzYnVpbGRlcg|Y2xvbmV0cmFuc2Zvcm1lcg|GNsb25ldHJhbnNmb3JtZXI|BjbG9uZXRyYW5zZm9ybWVy|Zm9yY2xvc3VyZQ|GZvcmNsb3N1cmU|Bmb3JjbG9zdXJl|aW5zdGFudGlhdGVmYWN0b3J5|Gluc3RhbnRpYXRlZmFjdG9yeQ|BpbnN0YW50aWF0ZWZhY3Rvcnk|aW5zdGFudGlhdGV0cmFuc2Zvcm1lcg|Gluc3RhbnRpYXRldHJhbnNmb3JtZXI|BpbnN0YW50aWF0ZXRyYW5zZm9ybWVy|aW52b2tlcnRyYW5zZm9ybWVy|Gludm9rZXJ0cmFuc2Zvcm1lcg|BpbnZva2VydHJhbnNmb3JtZXI|cHJvdG90eXBlY2xvbmVmYWN0b3J5|HByb3RvdHlwZWNsb25lZmFjdG9yeQ|Bwcm90b3R5cGVjbG9uZWZhY3Rvcnk|cHJvdG90eXBlc2VyaWFsaXphdGlvbmZhY3Rvcnk|HByb3RvdHlwZXNlcmlhbGl6YXRpb25mYWN0b3J5|Bwcm90b3R5cGVzZXJpYWxpemF0aW9uZmFjdG9yeQ|d2hpbGVjbG9zdXJl|HdoaWxlY2xvc3VyZQ|B3aGlsZWNsb3N1cmU)" 1;
    "~*java.lang.(?:runtime|processbuilder)" 1;
    "~*(?:clonetransformer|forclosure|instantiatefactory|instantiatetransformer|invokertransformer|prototypeclonefactory|prototypeserializationfactory|whileclosure|getproperty|filewriter|xmldecoder)" 1;
    "~*.*.(?:jsp|jspx).*$" 1;
    "~*(?i)(?:$|$?)(?:{|&l(?:brace|cub);?)(?:[^}]*(?:$|$?)(?:{|&l(?:brace|cub);?)|jndi|ctx)" 1;
    "~*(?i)(?:$|$?)(?:{|&l(?:brace|cub);?)" 1;
}

if ($waf_block_java) {
    return 403;
    # Log the blocked request (optional)
    # access_log /var/log/nginx/waf_blocked.log;
}