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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.
& v- x. G7 G$ Y+ a/ [. f9 e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。
* v% `; \) m( x* a# a: d) { c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.
* x0 E/ `, L3 n% C C, t) rhttps://www.thatcham.org/relay-attack// e% C, _9 a+ u1 o4 o, K2 w3 W
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.3 d4 J2 r9 t8 m; {/ n3 t
3 y" n: B, K+ s# m+ N" ~, m4 }; }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.3 c$ {9 x( w- ^- U* O
3 [" B! u( D4 o; X0 }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.
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雷达卡
发表于 2022-1-14 09:46:13
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