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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑 ; C( K/ a3 k/ f
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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.
0 l- V: Z% {: d! _, K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。
( Y9 k; x5 E0 J) x$ M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.4 J7 R3 V8 {0 F/ |9 ]
https://www.thatcham.org/relay-attack/
8 ~, G9 M' [/ V0 bWhat is Relay Theft?
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. y2 Z2 Z/ W$ f0 v8 [) VRelay 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.& Z' _: c/ Z7 N, o- L' R
. e2 ]4 t( M! O: \( N3 _+ {: \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.
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; ~5 t" Z% j4 ]9 R0 dThe 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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