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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 ( `- x6 p# Q1 j& F4 A& _6 }
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双向信号放大器， 放大汽车和钥匙的信号， 让车以为钥匙在车边.5 A9 P3 z1 H# H/ b
我现在是用faraday case钥匙包装钥匙， 回家把车钥匙扔那种铁皮的饼干盒里。) B8 f: `7 g5 `* Q( P7 L5 i2 ~" }! k
我见过最搞笑的是买了宜家一种类似俄罗斯套娃的3层金属盒，把车钥匙放在最里面那个小盒子里， 实测屏蔽信号效果超一流.) Z0 e0 N6 S! R# l" v& J
https://www.thatcham.org/relay-attack/( @0 b6 t3 m1 h4 @1 r
What is Relay Theft?
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2 k& Z3 y. a. z7 H1 VRelay theft exploits a vulnerability in passive keyless entry systems, which allow drivers to open and start their cars without removing the keyless fob from their pocket.
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Operating in pairs, one criminal holds a device up against the car door, amplifying the signal it broadcasts around the perimeter of the vehicle. Another stands near the front wall or porch of a home, with a device that relays the key’s signal back to his accomplice.
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The car is effectively fooled into believing that the owner is within a defined range (usually two metres) and is approaching the car with their key. The door opens, and the signal is relayed a second time, starting the engine. Once started, the engine will not restart without the key present.
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雷达卡
发表于 2022-1-14 09:46:13
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