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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 2 f8 D+ \2 F- @; R
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/ A' P9 P2 V3 F( [* q9 Q8 N) M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., [- Y; J9 u6 Z2 j$ T& Y- q1 S
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。! S, @3 x# p7 d. y
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 X% U& J/ U: t
https://www.thatcham.org/relay-attack/$ v2 y6 D; a5 V' |
What is Relay Theft?' C: _- x+ [9 [4 p/ @- S
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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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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.1 G5 t# T6 Q. d3 A0 }
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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.4 r3 t! H" W8 `& u4 d% p
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