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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 % b3 P4 U% `/ X8 k# Y# Z9 Q
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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.! q- g* }1 F. |" K+ 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。1 `% O, a( Z' Y0 U
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.
. P3 y! H" [* R `- C0 zhttps://www.thatcham.org/relay-attack/! n3 _3 j. f3 l
What 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.8 F* D2 G7 v+ N& A. P& k! H' y
7 b) B" m( i* Z# C6 ?- XOperating 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.# p8 W) y% t! f) m
5 e: v- ^( s) g1 }/ e+ @% ]( tThe 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.1 i6 K. \& ~+ X& h. J
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雷达卡
发表于 2022-1-14 09:46:13
显身卡
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