Apache POI | baozongwi's bloghttps://baozongwi.xyz/tags/apache-poi/Currently exploring Java security and internal network penetration, with CTFs as a hobby.Hugozh-cn网鼎杯2020青龙组https://baozongwi.xyz/p/wangding-cup-2020-qinglong-group/Tue, 13 Aug 2024 10:53:55 +0000https://baozongwi.xyz/p/wangding-cup-2020-qinglong-group/[网鼎杯 2020 青龙组]AreUSerialz 一个反序列化 <?php include("flag.php"); highlight_file(__FILE__); class FileHandler { protected $op; protected $filename; protected …