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| 本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 6 M# H3 {+ B  P5 P9 I0 ?2 z( V2 g: r* z9 ^/ D" L
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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.
 6 [9 A# C  \" j& ?) f! p2 J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。( C3 R, j! U: R+ ?) j/ E- }
 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.
 6 S2 h) @6 O5 U8 k8 g* b) Zhttps://www.thatcham.org/relay-attack/5 c- c- u7 W+ R2 E
 What is Relay Theft?- F/ o- Y) T: x
 
 , Z- B4 I6 j9 c1 o- O& q, c/ mRelay 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.9 {. O4 B/ ^4 k
 
 : ?+ k0 P; Z* _' j! n2 xOperating 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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