|
|
本帖最后由 MaverickZ 于 2022-1-14 23:42 编辑
, p# [' X! _3 |8 z8 A/ m$ S4 m' q
" p- \% I% L6 ?- r- R% G( S- Y9 w
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 N4 }- j K; ^$ F$ Y
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。
( d& ?& m& N0 `1 q2 L5 S9 y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.
# x' T- } N& C7 P4 F. ohttps://www.thatcham.org/relay-attack/
8 E0 {: Q7 ]; d5 `: {, LWhat is Relay Theft?, [8 n6 q5 _5 K* H; p( n( G6 i
& Z! F }- w1 l2 A# y' b3 L
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 p6 {$ h& H7 K
; u! s+ m) I8 \: ~7 u
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.
" D+ {: J) Q" Z' o" {
. x$ ^: o4 Z& V2 mThe 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.9 b" o( {6 ]! K: E9 ?+ n
* S' G$ `+ d. \$ l' l4 x |
|