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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.: a; L k$ C8 W1 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。
" Q, c. E! a& P6 ?" h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.
5 E2 d4 O9 [8 J) P* r( l% Qhttps://www.thatcham.org/relay-attack/
' T3 f) v) J3 hWhat 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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1 z# G( Y3 r3 E# E, H0 vOperating 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. {$ o6 g& H' R% F6 V
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The 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
显身卡
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