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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 - _/ A9 h& ^2 G% D' W: W a
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0 f7 D) N5 a! ]. V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.
; N, y0 b1 A3 G0 `' r* m0 {0 p, C0 u& d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。: l. P! B: d8 l! X$ P9 n2 Z. ~ w
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.
7 O. q) c( u1 y( R0 u: P' F' Nhttps://www.thatcham.org/relay-attack/4 k% E. h, O9 f" o* W5 t9 B
What is Relay Theft?
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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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6 F( H) q- W- J( u, e8 cOperating 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.3 _. c% e# h4 ? c. h0 j
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