url:https://ctf.bugku.com/challenges/detail/id/2416.htmlwriteup: https://blog.csdn.net/qq_26961571/article/details/136021514?spm=1001.2014.3001.5501这个题太恶心了，不过至少知道 leftovercapturedata是用于存储 LeftoverCaptureData在Wireshark中的作用是