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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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# V! V7 o) S m" p9 n3 p& G7 F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.
' |+ i) |% p' H; Z( ~1 g1 o3 ?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。
. u6 x2 X M' h( C$ C3 H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.: y) b% H) d. O. a) r) x0 j
https://www.thatcham.org/relay-attack/, A! S) k2 U) P, }2 C
What is Relay Theft?6 v+ P, _; I. Q8 t* J, q& _$ M
$ Z! h/ ~; t! P1 B7 I, I# o cRelay 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.+ F1 L5 y$ k1 m
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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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