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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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) Y# @+ n# h6 |( r- j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.$ U1 ? N1 V0 r; H
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。
4 i3 p2 a( P0 e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.
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What is Relay Theft?: T J2 _2 N- B
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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 H5 l9 M1 f% i) |6 yOperating 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.7 Y2 u6 q% b d* Y7 y6 ?6 l2 r
0 g& J2 O- U/ S' O0 W( 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.. ~' U0 e `' U2 X# `" I
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雷达卡
发表于 2022-1-14 09:46:13
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