Sehlopha sa bafuputsi ba Univesithi ea Sechaba ea Singapore le Yonsei University (Korea) e thehile mokhoa oa ho lemoha ts'ebetso ea microphone e patiloeng ho laptop. Ho bonts'a ts'ebetso ea mokhoa ona, prototype e bitsoang TickTock e ile ea bokelloa ho ipapisitsoe le boto ea Raspberry Pi 4, amplifier le transceiver programmable (SDR), e u lumellang ho bona ts'ebetso ea maekrofono ka lonya kapa spyware ho mamela. mosebedisi. Mokhoa oa ho bona feela hore na maekrofono o buletsoe ke oa bohlokoa hobane, haeba kh'amera ea marang-rang mosebelisi a ka thibela ho rekota feela ka ho koahela kh'amera, ebe ho thibela maekrofono e hahelletsoeng ho na le bothata ebile ha ho hlake hore na e sebetsa neng. e sebetsa le ha e sa sebetse.
Mokhoa ona o thehiloe tabeng ea hore ha microphone e sebetsa, lipotoloho tse fetisang lipontšo tsa oache ho converter ea analog-to-digital li qala ho hlahisa letšoao le itseng la morao-rao le ka fumanoang le ho arohana le lerata le bakoang ke ts'ebetso ea mekhoa e meng. Ho ipapisitsoe le boteng ba radiation e khethehileng ea maekrofono ea motlakase, motho a ka fihlela qeto ea hore ho ntse ho rekotoa.
Sesebelisoa se hloka ho ikamahanya le mefuta e fapaneng ea li-notebook, kaha mofuta oa lets'oao le hlahisitsoeng o itšetlehile haholo ka chip ea molumo e sebelisitsoeng. Ho tseba hantle ts'ebetso ea maekrofono, ho ne ho boetse ho hlokahala ho rarolla bothata ba ho sefa lerata ho tsoa lipotolohong tse ling tsa motlakase le ho ela hloko phetoho ea lets'oao ho latela khokahano.
Ka lebaka leo, bafuputsi ba ile ba khona ho fetola lisebelisoa tsa bona ho bona ka botšepehi hore na microphone e buletsoe 27 ho mefuta e 30 e lekiloeng ea laptop e entsoeng ke Lenovo, Fujitsu, Toshiba, Samsung, HP, Asus le Dell. Lisebelisoa tse tharo tseo mokhoa ona o sa kang oa sebetsa ho tsona e ne e le mefuta ea Apple MacBook 2014, 2017 le 2019 (ho nahanoa hore phallo ea lets'oao e ne e ke ke ea bonoa ka lebaka la nyeoe ea aluminium e sireletsang le ts'ebeliso ea likhoele tse khutšoane tse tenyetsehang).
Bafuputsi ba ile ba boela ba leka ho fetola mokhoa oa lihlopha tse ling tsa lisebelisoa, tse kang li-smartphone, matlapa, libui tse bohlale le lik'hamera tsa USB, empa katleho e ne e le tlase haholo - ho lisebelisoa tse 40 tse lekiloeng, ho ile ha thehoa 21 feela, e hlalositsoeng ke tšebeliso ea li-microphone tsa analoge sebakeng sa dijithale, likhokahano tsa li-circuits tse ling le li-conductors tse khutšoane tse hlahisang lets'oao la motlakase.
Source: opennet.ru