{"id":73923,"date":"2020-03-12T20:42:15","date_gmt":"2020-03-12T17:42:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-predstavil-blokirovshhik-podstanovki-vvoda-cherez-vredonosnye-usb-ustrojstva"},"modified":"2020-03-12T20:42:15","modified_gmt":"2020-03-12T17:42:15","slug":"google-predstavil-blokirovshhik-podstanovki-vvoda-cherez-vredonosnye-usb-ustrojstva","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/google-predstavil-blokirovshhik-podstanovki-vvoda-cherez-vredonosnye-usb-ustrojstva","title":{"rendered":"Google je predstavio blokator unosnog zavaravanja putem zlonamernih USB ure\u0111aja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Podjetje Google je objavilo<\/a><\/noindex> orodje ukip<\/a><\/noindex>, allowing tracking and blocking napadom<\/a><\/noindex>, carried out using malicious USB devices that simulate a USB keyboard for hidden keypress spoofing (for example, during an attack, there may be simulated<\/a><\/noindex> a sequence of keystrokes that leads to the opening of a terminal and execution of arbitrary commands). The code is written in Python and se distribuira<\/a><\/noindex> pod licenco Apache 2.0. <\/p>\n

The utility runs as a systemd service and can operate in monitoring and prevention modes. In monitoring mode, it identifies potential attacks and logs activity related to attempts to misuse USB devices for input spoofing. In protection mode, upon detecting a potentially malicious device, it disconnects it from the system at the driver level. <\/p>\n

Zlonamerna aktivnost se ugotavlja na podlagi heuristi\u010dne analize narave vnosa in zamud med pritiskom na tipke \u2014 napad se obi\u010dajno izvede v prisotnosti uporabnika in da bi ostal neopa\u017een, simulirani pritiski se po\u0161iljajo z nenavadnimi minimalnimi zamudami za obi\u010dajno tipkanje. Za spremembo logike ugotavljanja napadov sta predlagani dve nastavitvi KEYSTROKE_WINDOW in ABNORMAL_TYPING (prva dolo\u010da \u0161tevilo pritiskov za analizo, druga pa pragovno obdobje med pritiski).<\/p>\n

An attack can be carried out using a non-suspicious device with modified firmware; for example, a keyboard can be simulated in a USB drive<\/a><\/noindex>, a USB hub<\/a><\/noindex>, a webcam<\/a><\/noindex> ili a smartphone<\/a><\/noindex> (v Kali NetHunter<\/a><\/noindex> a special utility is offered for input spoofing from a smartphone connected to a USB port running the Android platform). To complicate USB attacks, in addition to ukip, the package USBGuard<\/a><\/noindex>, which allows connecting devices only from a whitelist or blocks the possibility of connecting unauthorized USB devices when the screen is locked and does not allow interaction with such devices after the user returns.<\/p>\n

<\/a><\/noindex><\/p>\n

Izvor: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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