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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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8 |' E1 k9 o2 u; x) G+ J" w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 D' x0 t" _' l6 x: V1 n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。1 H$ B# H- H; q5 R) c, z% }
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 V3 H, d4 P+ ^$ X* ?& Fhttps://www.thatcham.org/relay-attack/
' N2 _* O/ I! B/ b6 T; Z* m/ uWhat 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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) x$ f: v' U7 n" T, wOperating 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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& e& N' ^, c3 w* w/ s3 wThe 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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