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本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
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% i5 U9 ^- j% `# J2 v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.. @& y4 t2 D) _: V7 I2 k6 m: `
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。& Y Q, P, F- K: a0 h8 ]& D& p
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.
2 _% Y$ t, `' G$ a2 Hhttps://www.thatcham.org/relay-attack/
7 \, a Z, J- Y; h$ ^What is Relay Theft?
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4 t- R- S; V! j! \7 CRelay 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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- V T' _9 F/ G, M: q& HOperating 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.! u T: j ? y( {+ S; x, J
( T0 I% N' K% z& J! k; F2 S9 J7 tThe 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
显身卡
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