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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 9 Q5 A0 k9 r& B U
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# b( ?+ ^( y0 ?3 d4 [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.
4 D8 @% L$ d7 N- ^/ Y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。
1 K/ C4 @( x' Z; `% f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.0 o% ?2 e5 T' C& m" a4 L3 q
https://www.thatcham.org/relay-attack/
6 u, w' Q) X! I9 EWhat is Relay Theft?
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Relay 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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: E' V+ ~' S6 I$ b h- i2 pOperating 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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5 Z7 a% m; a+ S% IThe 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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