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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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0 Y% r" E' R3 j. [1 @/ l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.1 a8 o$ ]; f% t" H1 i5 L' G
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。
" j z! k! Y+ n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.% d5 `/ N5 W! Z+ C, {4 W" f
https://www.thatcham.org/relay-attack// {4 v" A; _" q" H, Z: H
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.3 H3 G. K8 d9 `* y4 Y* o) }
8 L% s2 ~6 S. t2 e' ?. A( F8 M! eOperating 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.6 p" H1 M% ?0 a
) t$ Q3 J' c" v& PThe 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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