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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.
V6 o5 S. u, N6 l; b" W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。8 J3 t, k0 t) D: ~2 b1 _) h
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.
+ ~$ [! q7 x: W' jhttps://www.thatcham.org/relay-attack/) g/ i% h# O4 ?4 _
What is Relay Theft?
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4 k- b) r2 d4 R- v) o! wRelay 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 u+ b( I, J3 K W+ J1 _# N0 }
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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. `, m' M U4 t$ {! w) Y, s
, n: M, ~% N ~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.4 @, N, U) f( a1 F- }
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雷达卡
发表于 2022-1-14 09:46:13
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