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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 + {/ x9 {4 w) |; T2 G3 c; A( q/ C" O0 N
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; \0 F( |2 K1 d! x+ Y% _* S4 w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.
+ u( u$ L! M/ o6 K- D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。
. `# f0 Z4 |( ^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.
( R# P1 F5 I3 e7 ]; L1 shttps://www.thatcham.org/relay-attack/$ P- ?& K% ^' P E! x* D) ?
What is Relay Theft?. A0 m/ l5 U, _* Y
' u$ G4 g3 g7 F, {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.( V0 a5 n m- w+ y5 i' ]; |/ c3 R
W" S* M+ V0 ` O3 k. u' S" 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., Q+ ]9 M3 d" H' Z% A
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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.. R2 Q% _2 Z# Y1 i( h$ p
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