gistfile1.txt

public class AutoFilterActionInvoker: ControllerActionInvoker  
    {
        protected override FilterInfo GetFilters(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
        {
            var filters = base.GetFilters(controllerContext, actionDescriptor);

            filters.ResultFilters.Add(new CustomBehaviorAttribute());

            return filters;
        }
    }