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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 5 X" U7 h( p7 d3 q; p5 j
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, N) I+ M- I M/ u. I0 H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.
5 v$ f: K& h: T+ d, ^/ v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。" G5 O# t) C! j @- G- h' x8 o. 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 ^2 c/ k! p9 D5 shttps://www.thatcham.org/relay-attack/# l- M& S B& ^0 b6 M* r" v
What is Relay Theft?( y+ C+ h7 ^, M% |' g0 R: q7 ]# T
' e+ Z- `6 K0 r5 ^* q1 xRelay 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 l6 v( Q& A% w- r' j }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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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.9 W+ G* c6 p' }, e7 j1 C4 ]
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