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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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1 u8 P( V7 I1 z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.
6 v( B2 p; b# ^0 b$ T! c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- e* O2 M! V ~1 f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.
8 I* X# y* i# V" Chttps://www.thatcham.org/relay-attack/
* U j- y% J2 O; O5 Y7 M5 m0 NWhat 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.5 v9 ^- N5 X; Q2 f, [
! g8 \$ r% G( F2 f. Z zOperating 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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( R& N* O+ F# q T! {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." u& G$ l) j; F( w
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