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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 ' @! C6 B! G2 a( ] m; @5 b9 |
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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.; D2 i& R" |3 O6 p5 Y+ O: C5 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。+ \7 u: a _' `# K
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.% Q1 N, I2 s5 X% L( @
https://www.thatcham.org/relay-attack/
) x) s, f* c3 W- D5 z$ kWhat is Relay Theft?
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M+ e& c3 ?; E3 yRelay 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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- V1 z z3 t" | X" ?8 LOperating 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.
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7 X6 r: |. u% q! O, ~, JThe 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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