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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 - n1 r6 n, n: [& n4 K* b3 Z
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( x' c* H; w: H4 ~) t" I+ b$ A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.: ^6 R7 {+ @) b8 F/ y: O. f6 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。
, q$ t: o7 h9 q1 w1 L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.5 ^* X4 E# c& W( t- n/ w% f3 N& r
https://www.thatcham.org/relay-attack/
1 D; N) s* _) A* U5 e3 e/ U- w/ IWhat is Relay Theft?
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$ D, K% D$ v- N! F0 f# SRelay 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.+ d3 _9 ]" `4 t8 P8 h1 @8 C1 V
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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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雷达卡
发表于 2022-1-14 09:46:13
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