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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 6 ?- c( y2 p4 r
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! d% S/ e: @* \& A, F, j# P: X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.# o' P- G1 O `4 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。
/ @$ @' p8 N. Q6 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.
( Q" h4 U' h. r5 V C ahttps://www.thatcham.org/relay-attack/
- ]0 u" U- H7 ?# q7 X# [2 T" T6 ~6 wWhat is Relay Theft?) E" p0 G' ~% r0 u4 t5 q
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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.1 s+ j9 Z/ D9 p6 _% P8 Z" u4 Y
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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., G8 s* b* Q+ Y' G/ t6 w( Y
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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.& h2 f* d! p; o9 E- v$ h4 O
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