参考连接:https://ctftime.org/task/6263ip
After unpacking the firmware archive, you now have a binary in which to go hunting. Its now time to walk around the firmware and see if you can find anything.get
点我下载class
解压以后是个.ext4文件,能够用zip来解压哦。解压后root目录里有个.mediapc_backdoor_password.gz,flag就在那里面下载