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真正的不自由，是在自己的心中设下牢笼。
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某工业互联网安全技术技能大赛writeup

水了几题，其他的做不出来 -_-| modbus 题目给了个 modbus.pcapng 流量包 用 wireshark 打开，分析数据包，搜索 666c，666c 的 hex 解码就是 flag 的十六进制编码，导出分组解析结果为纯文本。 用 grep 去提取字符 去掉…
ctf
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