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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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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.+ H c" h5 U, C' ^
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。
( @) c( `! [/ c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.4 A4 a9 [- ]' p* ~
https://www.thatcham.org/relay-attack/
% ?+ \6 W' A% M9 g' kWhat is Relay Theft?
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h7 u2 b$ n. @+ e2 [5 `2 i" ERelay 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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: a5 |) y5 [/ P1 v6 mThe 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.$ \' o. ^; _7 r, G* u
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雷达卡
发表于 2022-1-14 09:46:13
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