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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.! |/ |' Z' q/ |! _/ o
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。3 m- z$ d9 h7 A# l- o
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.
* F- `8 o( O" O d" U- l9 qhttps://www.thatcham.org/relay-attack/7 d/ A) q- z X- Y! C. q3 A
What is Relay Theft?
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" |+ h& [8 J& qRelay 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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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.; c" M5 u/ \/ a
; V4 E) a9 m* a6 X4 A" oThe 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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