Robuta

https://ctf.org.cn/2020/06/17/%E6%B5%8B%E8%AF%95/JAVA4-%E6%94%B9%E5%86%99ysoserial%E8%A7%A3%E5%86%B3%E5%B8%B8%E8%A7%84shell%E5%A4%B1%E6%95%88%E9%97%AE%E9%A2%98/ JAVA4-改写ysoserial解决常规shell失效问题