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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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( A) y( E+ f) 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.1 n& h% S; E1 V& j; s! b2 U7 I
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。8 U* n& J4 g9 Y& f' r a
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.
, r' u1 i) Y- ehttps://www.thatcham.org/relay-attack/
' ^4 D4 y* J% G& l: \+ ]/ \What is Relay Theft?6 U# Y6 `0 }: d! ~: F% M
2 n& G5 d' j* kRelay 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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4 c4 j( ^) ^$ z0 q' z: q$ }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.7 U- U# F- ~. F
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雷达卡
发表于 2022-1-14 09:46:13
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