https://baozongwi.xyz/tags/aes-gcm/Currently exploring Java security and internal network penetration, with CTFs as a hobby.Hugozh-cnhttps://baozongwi.xyz/p/longjian-cup-finals-2025/Fri, 19 Sep 2025 22:53:10 +0800https://baozongwi.xyz/p/longjian-cup-finals-2025/ezzupload 查看文件，拿到源码 <?php session_start(); $session_id = session_id(); $target_dir = "/var/www/html/uploads/$session_id/"; if (!is_dir($target_dir)) { …