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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 + l0 x& z4 r- q) U5 C. [, N2 j/ }
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: _) E# ]3 L% k$ Q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.
0 @# s F8 [* n: N% q* J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。; F$ n/ v8 K' Y+ A- s
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.% c# v6 j% z' F+ L z
https://www.thatcham.org/relay-attack/ o$ h# S# t L# U6 ^
What is Relay Theft?! r9 w* X1 S; ^/ J7 f
- f1 Z- _/ [% N- w% f% URelay 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.( X# q0 O) y7 ]
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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.* R( j) L8 O0 \% P
2 x8 s) l& C; J: ?- C$ W2 R" jThe 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." i" x: |$ Y a- T
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