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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 % D8 q# g1 r5 {- _: F! |6 f. k
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9 O4 I6 c4 g. P' E8 |3 `7 u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.3 \' {% ^0 h" A$ Y4 u( E
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。
# o5 l: Q& k$ D7 q" J n9 @. t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.
- Q' ]! B3 ]9 X! J6 q( m3 ]https://www.thatcham.org/relay-attack/ ?4 B* a `7 S/ L
What is Relay Theft?0 C; {8 j3 S* d$ x9 `
9 K" E0 t* Z# P9 VRelay 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.* o3 V$ s$ I+ | r$ T O, g
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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.% T* U5 |+ l. `, H5 w5 P2 ?
4 `% k$ j' M; r2 N" R7 }6 Q: Y! rThe 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.; H- G$ J/ [! K* `; H$ f# Q# k
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雷达卡
发表于 2022-1-14 09:46:13
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