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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 / p% [9 ]3 q1 {- X6 t; A5 y& ^
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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.
5 N9 w8 b6 i, u9 f/ o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。) {9 Z( ^8 c5 b- a( A3 D! E
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.
: D( s6 v' N6 g; ]" k Xhttps://www.thatcham.org/relay-attack/
* }% f) W+ z4 x( i9 b9 FWhat 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.& I3 S# Y G8 s# r3 |5 y M/ F
/ v1 M: c; c( C% FOperating 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.3 Z( C% a% B3 ^) @
; z M" y4 Q$ r9 J) ~0 {7 E" DThe 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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