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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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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.8 O( j( D2 z! X
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。2 m) |0 O1 X4 z- l# 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.
0 v1 z$ b2 V$ q( S: ]8 ~https://www.thatcham.org/relay-attack/8 A. j3 Q. N+ m1 p D3 s! e
What is Relay Theft?5 `; e8 A. k7 } _
& ~9 t% \7 }8 t# ERelay 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.0 p- D, G0 u3 f' m/ g1 g; r% y
0 R7 A5 I8 U, f7 X( L, UOperating 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.0 ]1 u, O8 d; h, f
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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.+ T, J. w- c3 M0 h, E
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雷达卡
发表于 2022-1-14 09:46:13
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