shiro-urldns 检测 用于检测是否存在shiro反序列化漏洞 新增PrincipalCollection检测 构建 mvn clean package -DskipTests 效果 致谢 https://github.com/frohoff/ysoserial https://blog.paranoidsoftware.com/triggering-a-dns-lookup-using-java-deserialization/ https://github.com/sv3nbeast/ShiroScan https://mp.weixin.qq.com/s/do88_4Td1CSeKLmFqhGCuQ