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最近沉迷研究「中继攻击车钥匙RF信号偷车」的技术。刚开始,以为用两个Arduino(一个复制钥匙信号,然后传给另一个Arduino,再重放信号、实现keyless entry)就能实现。后来发现没这么简单,信号本身有偏移,不同车型的调制方式也不一样,实现原理也不是钥匙循环发送信号。最后用软件定义无线电 RTL-SDR捕获并分析信号,录制下来,烧录到Arduino,用FS1000A模块重放发射315MHZ信号(新车和中国车是433MHZ,需要换RF发射模块)。以后把这套玩意连代码带硬件一起开源,人人有车偷,人人都当贼。



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最近沉迷研究「中继攻击车钥匙RF信号偷车」的技术。刚开始,以为用两个Arduino(一个复制钥匙信号,然后传给另一个Arduino,再重放信号、实现keyless entry)就能实现。后来发现没这么简单,信号本身有偏移,不同车型的调制方式也不一样,实现原理也不是钥匙循环发送信号。最后用软件定义无线电 RTL-SDR捕获并分析信号,录制下来,烧录到Arduino,用FS1000A模块重放发射315MHZ信号(新车和中国车是433MHZ,需要换RF发射模块)。以后把这套玩意连代码带硬件一起开源,人人有车偷,人人都当贼。

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