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