[Ciotoflow] usb killer

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Autor: ono-sendai
Data:  
Dla: Flussi di ciotia.
Temat: [Ciotoflow] usb killer
Se eravate preoccupati per bad usb o eventuali malware nei firmware dei device
usb questo dovrebbe farvi vedere le cose nella giusta prospettiva. Il vero
male sta a layer 0 !

"The basic idea of the USB drive is quite simple. When we connect it up to the
USB port, an inverting DC/DC converter runs and charges capacitors to -110V.
When the voltage is reached, the DC/DC is switched off. At the same time, the
filed transistor opens. It is used to apply the -110V to signal lines of the
USB interface. When the voltage on capacitors increases to -7V, the transistor
closes and the DC/DC starts. The loop runs till everything possible is broken
down. "

http://kukuruku.co/hub/diy/usb-killer