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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 $ H/ Q& \2 b' b6 S( Y ?
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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.
M8 V) _# v" k. R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。: J9 n ^* {- P& L4 i
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.9 D3 M: k. o8 w% p/ a
https://www.thatcham.org/relay-attack/8 a" i3 z$ m6 V" Y
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.
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2 c5 m: l# F, {( r) r/ F; ?7 OOperating 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.' ~2 Q" Y2 \1 J# ?5 I( l, B
; n2 M9 ]- ]$ c& H+ ?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.$ y2 h' e @, L6 O! V1 l
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雷达卡
发表于 2022-1-14 09:46:13
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