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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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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.
' q9 m4 e4 G7 O( c' l; A6 m5 u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。+ u8 O- s; j+ i3 S& U( u3 B
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.
/ ^" b% I7 p: Q2 N# }7 ihttps://www.thatcham.org/relay-attack/
! a9 z3 a, A g1 E4 S6 KWhat is Relay Theft?
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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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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.1 r' h2 R" F$ ~7 v
& r) S5 m' [1 [( \7 LThe 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.$ Z% s; r/ z* l% e3 J
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雷达卡
发表于 2022-1-14 09:46:13
显身卡
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