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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.4 f3 ~6 u" q* A" Y
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. M. D: `8 H8 |
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.+ O& z8 d4 f L% V; w9 ^
https://www.thatcham.org/relay-attack/
. P! g9 _; y. P' I( J* A% PWhat 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.) ~' ^+ m! p8 B, t+ O! R0 u4 H
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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.
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3 c* }/ d0 ~% m! s( H2 eThe 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.6 P8 X8 D1 ^' C6 v, b5 T" z* ]
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雷达卡
发表于 2022-1-14 09:46:13
显身卡
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