if ( $args ~ "mosConfig_[a-zA-Z_]{1,21}(=|%3d)" ) {
 set $args "";
 rewrite ^.*$ http://$host/index.php last;
   return 403;
}

if ( $args ~ "base64_encode.*(.*)") {
 set $args "";
 rewrite ^.*$ http://$host/index.php last;
   return 403;
}

if ( $args ~ "(|%3E)") {
  set $args "";
 rewrite ^.*$ http://$host/index.php last;
   return 403;
}

if ( $args ~ "GLOBALS(=|[|%[0-9A-Z]{0,2})") {
 set $args "";
 rewrite ^.*$ http://$host/index.php last;
   return 403;
}

if ( $args ~ "_REQUEST(=|[|%[0-9A-Z]{0,2})") {
    set $args "";
 rewrite ^.*$ http://$host/index.php last;
   return 403;
}

if (!-e $request_filename) {
    rewrite (/|.php|.html|.htm|.feed|.pdf|.raw|/[^.]*)$ /index.php last;
    break;
}

在部分虚拟主机上面可能需要下面的格式的规则，比如华夏名网的nginx主机。