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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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( S5 j4 M, J' L3 K" T2 g4 z6 ?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. ]# m8 \" O7 P
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。
" {" d3 x( W9 ]1 m7 ]9 x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./ i3 g+ Q/ S; P* l; O
https://www.thatcham.org/relay-attack/
* i/ A. O0 B6 D1 N2 `What is Relay Theft?& ~+ _+ f; v1 c0 f, ~" ^7 W
S% S j7 W, DRelay 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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) X( b/ ~: u) G0 M! j7 z+ nOperating 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." O0 o( Y5 P9 c$ z8 p' e+ a/ R8 ?7 F
) A/ X8 k q K( v9 e. ~$ s& Z3 yThe 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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