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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 2 b5 y- v! D/ s$ S$ K$ g- B0 E
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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.
^1 _" `( W; D* h: Q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。
+ W( d& ~0 B8 T2 t+ a3 t ` G# v( ^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.7 T: i* c0 q" M" e6 c9 X
https://www.thatcham.org/relay-attack/) g8 S8 ]- _* M/ K
What is Relay Theft?
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7 ?8 P, D' |9 q: P' \3 E& IRelay 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.0 n+ `9 T0 _' U7 v
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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.9 P- C7 O* P# e( c& S& V+ v* s8 B
( p/ @) q( K0 K0 d6 t3 t6 ~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
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