Π’Π°ΠΊ ΠΈΡΡΠΎΡΠΈΡΠ΅ΡΠΊΠΈ ΡΠ»ΠΎΠΆΠΈΠ»ΠΎΡΡ, ΡΡΠΎ Π±ΠΎΠ»ΡΡΠΈΠ½ΡΡΠ²ΠΎ ΡΠΎΡΡΡΠ΄Π½ΠΈΠΊΠΎΠ² ΠΏΠΎΠ»ΡΠ·ΡΡΡΡΡ Π±Π΅ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΠΌΠΈ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΠ°ΠΌΠΈ ΠΈ ΠΌΡΡΠ°ΠΌΠΈ ΡΠΈΡΠΌΡ Logitech. Π ΠΎΡΠ΅ΡΠ΅Π΄Π½ΠΎΠΉ ΡΠ°Π· Π²Π²ΠΎΠ΄Ρ ΡΠ²ΠΎΠΈ ΠΏΠ°ΡΠΎΠ»ΠΈ, ΠΌΡ β ΡΠΏΠ΅ΡΠΈΠ°Π»ΠΈΡΡΡ ΠΊΠΎΠΌΠ°Π½Π΄Ρ Raccoon Security β Π·Π°Π΄Π°Π»ΠΈΡΡ Π²ΠΎΠΏΡΠΎΡΠΎΠΌ: Π½Π°ΡΠΊΠΎΠ»ΡΠΊΠΎ ΡΠ»ΠΎΠΆΠ½ΠΎ ΠΎΠ±ΠΎΠΉΡΠΈ ΠΌΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΡ Π·Π°ΡΠΈΡΡ Π±Π΅ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΡΡ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡ? ΠΡΠΎΠ²Π΅Π΄Π΅Π½Π½ΠΎΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΡΡΠ²ΠΈΠ»ΠΎ Π°ΡΡ ΠΈΡΠ΅ΠΊΡΡΡΠ½ΡΠ΅ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΈ ΠΈ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ½ΡΠ΅ ΠΎΡΠΈΠ±ΠΊΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡ ΠΏΠΎΠ»ΡΡΠΈΡΡ Π΄ΠΎΡΡΡΠΏ ΠΊ Π²Π²ΠΎΠ΄ΠΈΠΌΡΠΌ Π΄Π°Π½Π½ΡΠΌ. ΠΠΎΠ΄ ΠΊΠ°ΡΠΎΠΌ β ΡΡΠΎ Ρ Π½Π°Ρ ΠΏΠΎΠ»ΡΡΠΈΠ»ΠΎΡΡ.
Ke hobane'ng ha Logitech?
ΠΠ° Π½Π°Ρ Π²Π·Π³Π»ΡΠ΄, ΡΡΡΡΠΎΠΉΡΡΠ²Π° Π²Π²ΠΎΠ΄Π° ΠΊΠΎΠΌΠΏΠ°Π½ΠΈΠΈ Logitech ΡΠ²Π»ΡΡΡΡΡ ΠΎΠ΄Π½ΠΈΠΌΠΈ ΠΈΠ· ΡΠ°ΠΌΡΡ
ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅Π½Π½ΡΡ
ΠΈ ΡΠ΄ΠΎΠ±Π½ΡΡ
. ΠΠΎΠ»ΡΡΠΈΠ½ΡΡΠ²ΠΎ ΠΈΠΌΠ΅ΡΡΠΈΡ
ΡΡ Ρ Π½Π°Ρ ΡΡΡΡΠΎΠΉΡΡΠ² ΠΎΡΠ½ΠΎΠ²Π°Π½Ρ Π½Π° ΡΠ΅ΡΠ΅Π½ΠΈΠΈ Logitech
Moamoheli oa Dongle ka tΕ‘ehetso ea Logitech Unifying
Khiboto e ka fetoha mohloli oa litaba bakeng sa bahlaseli. Logitech, ho nahanoa ka ts'okelo e ka bang teng, e ile ea hlokomela ts'ireletso - e sebelisitse algorithm ea encryption ea AES128 seteisheneng sa seea-le-moea sa keyboard e se nang mohala. Mohopolo oa pele oo mohlaseli a ka bang le ona boemong bona ke ho thibela tlhahisoleseding ea bohlokoa ha e fetisoa ka mocha oa seea-le-moea nakong ea ts'ebetso e tlamang. Ha e le hantle, haeba u na le senotlolo, u ka khona ho thibela melaetsa ea seea-le-moea ea keyboard le ho e hlakola. Leha ho le joalo, ka seoelo mosebelisi (kapa le ka mohla) o tlameha ho kopanya keyboard, mme senokoane se nang le seea-le-moea sa scanning se tla tlameha ho ema nako e telele. Ho phaella moo, ha se ntho e 'ngoe le e' ngoe e bonolo haholo ka mokhoa oa ho khaola ka boeona. Thutong ea morao-rao ka Phuptjane 2019, setsebi sa ts'ireletso Markus Mengs se phatlalalitse marang-rang
Re tla bua ka thuto ea rona ea ts'ireletso ea Logitech dongle e thehiloeng ho NRF24 SoC ho tloha Nordic Semiconductor. Ha re qaleng, mohlomong, ka kanale ea seea-le-moea ka boeona.
ΠΠ°ΠΊ Β«Π»Π΅ΡΡΡΒ» Π΄Π°Π½Π½ΡΠ΅ Π² ΡΠ°Π΄ΠΈΠΎΠΊΠ°Π½Π°Π»Π΅
Bakeng sa tlhahlobo ea maqhubu a nako ea lets'oao la seea-le-moea, re sebelisitse seamoheli sa SDR se ipapisitseng le sesebelisoa sa Blade-RF ka mokhoa oa spectrum analyzer (o ka bala ka sena.
Sesebelisoa sa SDR Blade-RF
Re boetse re nahanne ka monyetla oa ho rekota li-quadrature tsa lets'oao la seea-le-moea ka maqhubu a mahareng, a ka hlahlojoang ho sebelisoa mekhoa ea ts'ebetso ea mats'oao a dijithale.
Komisi ea Naha ea Maqhubu a seea-le-moea Russia
Spectrum ea sehlopha sa 2,4 GHz
Tikoloho ea tΕ‘itiso ka har'a marang-rang e rarahane haholo. Ho sa tsotellehe sena, Logitech o ile a khona ho fana ka kamohelo e tΕ‘epahalang le e tsitsitseng ka tΕ‘ebeliso ea Protocol ea Enhanced ShockBurst ho transceiver ea NRF24 hammoho le li-algorithms tsa ho ikamahanya le maemo.
Liteishene ka har'a sehlopha li behiloe maemong a felletseng a MHz joalo ka ha ho hlalositsoe ho
LetΕ‘oao la seea-le-moea sa keyboard nakong ea tlhahiso ea nako
Moamoheli o sebelisa molao-motheo oa khokahano oa kamohelo, kahoo pakete e fetisitsoeng e na le selelekela le karolo ea aterese. Khoutu e thibelang lerata ha e sebelisoe; 'mele oa data o patiloe ka algorithm ea AES128.
Ka kakaretso, sehokelo sa seea-le-moea sa keyboard ea Logitech e se nang mohala e ka hlalosoa e le e sa lumellaneng ka botlalo ka lipalo-palo tsa lipalo le ho ikamahanya le maemo. Sena se bolela hore mochini o fetisang li-keyboard o chencha mocha hore o fetise pakete e 'ngoe le e 'ngoe e ncha. Motho ea amohelang ha a tsebe esale pele nako ea phetisetso kapa mocha oa maqhubu, empa ke lenane la bona feela le tsejoang. Moamoheli le transmitter li kopana seteisheneng ka lebaka la mokhoa o hokahaneng oa ho feta le ho mamela li-algorithms, hammoho le mekhoa e ntlafalitsoeng ea ho amohela ShockBurst. Ha rea ββetsa lipatlisiso hore na lenane la likanale le eme. Mohlomong, phetoho ea eona e bakoa ke algorithm ea ho ikamahanya le maqhubu. Ntho e haufi le mokhoa oa ho tsubella khafetsa (peudo-random tuning ea maqhubu a ts'ebetso) e ka bonoa ts'ebelisong ea lisebelisoa tsa maqhubu a marang-rang.
Kahoo, tlas'a maemo a ho se tsitse ha nako, ho netefatsa kamohelo e tiisitsoeng ea matΕ‘oao ohle a keyboard, mohlaseli o tla hloka ho lula a lekola marang-rang kaofela a maemo a 84, a hlokang nako e ngata. Mona hoa hlaka hore na hobaneng ts'oaetso ea senotlolo sa USB (CVE-2019-13054)
ΠΠ·Π³Π»ΡΠ΄ Π½Π° ΠΏΡΠΎΠ±Π»Π΅ΠΌΡ ΠΈΠ·Π½ΡΡΡΠΈ
Bakeng sa thuto ea rona, re khethile e 'ngoe ea likonopo tsa rona tse teng tsa Logitech K330 le dongle ea Logitech Unifying.
Logitech K330
Ha re shebeng ka har'a keyboard. Ntho e khahlisang ho boto eo u ka ithutang eona ke chip ea SoC NRF24 e tsoang ho Nordic Semiconductor.
SoC NRF24 Π½Π° ΠΏΠ»Π°ΡΠ΅ Π±Π΅ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΠΉ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΡ Logitech K330
Firmware e teng mohopolong oa ka hare, mekhoa ea ho bala le ho lokisa liphoso e holofetse. Ka bomalimabe, firmware ha e so phatlalatsoe mehloling e bulehileng. Ka hona, re ile ra etsa qeto ea ho atamela bothata ka lehlakoreng le leng - ho ithuta litaba tse ka hare ho Logitech dongle receiver.
"LefatΕ‘e la ka hare" la moamoheli oa li-dongle le khahla haholo. Dongle e aroloa habonolo, e na le tokollo e tloaelehileng ea NRF24 e nang le taolo ea USB e hahelletsoeng 'me e ka hlophisoa bocha ka lehlakoreng la USB le ka kotloloho ho tsoa ho moetsi oa lenaneo.
Logitech dongle ntle le bolulo
Kaha ho na le mokhoa o tloaelehileng oa ho ntlafatsa firmware ka ho sebelisa
Ho entsoe eng: firmware RQR_012_005_00028.bin e ntΕ‘itsoe 'meleng oa sesebelisoa sa Firmware Update Tool. Ho hlahloba botΕ‘epehi ba eona, molaoli oa dongle o ne a hokahane ka thapo
Π¨Π»Π΅ΠΉΡ ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ΠΈΡ Π΄ΠΎΠ½Π³Π»Π° Logitech ΠΊ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ°ΡΠΎΡΡ ChipProg 48
ΠΠ»Ρ ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΡΠ΅Π»ΠΎΡΡΠ½ΠΎΡΡΠΈ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ ΠΎΠ½Π° Π±ΡΠ»Π° ΡΡΠΏΠ΅ΡΠ½ΠΎ ΡΠ°Π·ΠΌΠ΅ΡΠ΅Π½Π° Π² ΠΏΠ°ΠΌΡΡΠΈ ΠΊΠΎΠ½ΡΡΠΎΠ»Π»Π΅ΡΠ° ΠΈ Π·Π°ΡΠ°Π±ΠΎΡΠ°Π»Π° ΠΊΠΎΡΡΠ΅ΠΊΡΠ½ΠΎ, ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΠ° ΠΈ ΠΌΡΡΡ Π±ΡΠ»ΠΈ ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½Ρ ΠΊ Π΄ΠΎΠ½Π³Π»Ρ ΡΠ΅ΡΠ΅Π· Logitech Unifying. ΠΠΎΠ·ΠΌΠΎΠΆΠ½Π° Π·Π°Π»ΠΈΠ²ΠΊΠ° ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΡΠ°ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΠ° ΠΎΠ±Π½ΠΎΠ²Π»Π΅Π½ΠΈΡ, Ρ. ΠΊ. ΠΊΠ°ΠΊΠΈΡ -Π»ΠΈΠ±ΠΎ ΠΌΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΠΎΠ² ΠΊΡΠΈΠΏΡΠΎΠ³ΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π·Π°ΡΠΈΡΡ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ Π½Π΅ ΠΏΡΠ΅Π΄ΡΡΠΌΠΎΡΡΠ΅Π½ΠΎ. ΠΡ ΠΆΠ΅ Π² ΡΠ΅Π»ΡΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»ΠΈ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ ΠΊ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ°ΡΠΎΡΡ, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠ°ΠΊ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΡΡ ΠΎΡΠ»Π°Π΄ΠΊΡ Π³ΠΎΡΠ°Π·Π΄ΠΎ Π±ΡΡΡΡΠ΅Π΅.
Patlisiso ea Firmware le tlhaselo ea tlhahiso ea basebelisi
Π§ΠΈΠΏ NRF24 ΡΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π²ΡΡΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠ΄ΡΠ° Intel 8051 Π² ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΠΎΠΉ Π³Π°ΡΠ²Π°ΡΠ΄ΡΠΊΠΎΠΉ Π°ΡΡ ΠΈΡΠ΅ΠΊΡΡΡΠ΅. ΠΠ»Ρ ΡΠ΄ΡΠ° ΡΡΠ°Π½ΡΠΈΠ²Π΅Ρ Π²ΡΡΡΡΠΏΠ°Π΅Ρ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΏΠ΅ΡΠΈΡΠ΅ΡΠΈΠΉΠ½ΠΎΠ³ΠΎ ΡΡΡΡΠΎΠΉΡΡΠ²Π° ΠΈ ΡΠ°Π·ΠΌΠ΅ΡΠ΅Π½ Π² Π°Π΄ΡΠ΅ΡΠ½ΠΎΠΌ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅ ΠΊΠ°ΠΊ Π½Π°Π±ΠΎΡ ΡΠ΅Π³ΠΈΡΡΡΠΎΠ². ΠΠΎΠΊΡΠΌΠ΅Π½ΡΠ°ΡΠΈΡ Π½Π° ΡΠΈΠΏ ΠΈ ΠΏΡΠΈΠΌΠ΅ΡΡ ΠΈΡΡ ΠΎΠ΄Π½ΡΡ ΡΠ΅ΠΊΡΡΠΎΠ² ΠΌΠΎΠΆΠ½ΠΎ Π½Π°ΠΉΡΠΈ Π² ΠΠ½ΡΠ΅ΡΠ½Π΅ΡΠ΅, ΠΏΠΎΡΡΠΎΠΌΡ Π΄ΠΈΠ·Π°ΡΡΠ΅ΠΌΠ±Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ Π½Π΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΠ΅Ρ ΡΡΡΠ΄Π½ΠΎΡΡΠΈ. Π Ρ ΠΎΠ΄Π΅ ΡΠ΅Π²Π΅ΡΡ-ΠΈΠ½ΠΆΠΈΠ½ΠΈΡΠΈΠ½Π³Π° ΠΌΡ Π»ΠΎΠΊΠ°Π»ΠΈΠ·ΠΎΠ²Π°Π»ΠΈ ΡΡΠ½ΠΊΡΠΈΠΈ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ Π΄Π°Π½Π½ΡΡ ΠΎ Π½Π°ΠΆΠ°ΡΠΈΡΡ ΠΊΠ»Π°Π²ΠΈΡ ΠΈΠ· ΡΠ°Π΄ΠΈΠΎΠΊΠ°Π½Π°Π»Π° ΠΈ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΡ ΠΈΡ Π² ΡΠΎΡΠΌΠ°Ρ HID Π΄Π»Ρ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΠΈ Π½Π° Ρ ΠΎΡΡ ΠΏΠΎ USB-ΠΈΠ½ΡΠ΅ΡΡΠ΅ΠΉΡΡ. Π ΡΠ²ΠΎΠ±ΠΎΠ΄Π½ΡΡ Π°Π΄ΡΠ΅ΡΠ°Ρ ΠΏΠ°ΠΌΡΡΠΈ Π±ΡΠ» ΡΠ°Π·ΠΌΠ΅ΡΠ΅Π½ ΠΊΠΎΠ΄ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠΈ, Π² ΠΊΠΎΡΠΎΡΡΠΉ Π²ΠΎΡΠ»ΠΈ ΠΈΠ½ΡΡΡΡΠΌΠ΅Π½ΡΡ ΠΏΠ΅ΡΠ΅Ρ Π²Π°ΡΠ° ΡΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡ, ΡΠΎΡ ΡΠ°Π½Π΅Π½ΠΈΡ ΠΈ Π²ΠΎΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΡ ΠΎΡΠΈΠ³ΠΈΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠ½ΡΠ΅ΠΊΡΡΠ° ΠΈΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΠΉ ΠΊΠΎΠ΄.
ΠΡΠΈΠ½ΡΡΡΠΉ Π΄ΠΎΠ½Π³Π»ΠΎΠΌ ΠΈΠ· ΡΠ°Π΄ΠΈΠΎΠΊΠ°Π½Π°Π»Π° ΠΏΠ°ΠΊΠ΅Ρ Π½Π°ΠΆΠ°ΡΠΈΡ ΠΈΠ»ΠΈ ΠΎΡΠΏΡΡΠΊΠ°Π½ΠΈΡ ΠΊΠ»Π°Π²ΠΈΡΠΈ Π΄Π΅ΡΠΈΡΡΡΠ΅ΡΡΡ, ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΡΠ΅ΡΡΡ Π² ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΠΉ HID-ΡΠ΅ΠΏΠΎΡΡ ΠΈ Π½Π°ΠΏΡΠ°Π²Π»ΡΠ΅ΡΡΡ Π² USB-ΠΈΠ½ΡΠ΅ΡΡΠ΅ΠΉΡ ΠΊΠ°ΠΊ ΠΎΡ ΠΎΠ±ΡΡΠ½ΠΎΠΉ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΡ. Π ΡΠ°ΠΌΠΊΠ°Ρ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄Π»Ρ Π½Π°Ρ Π½Π°ΠΈΠ±ΠΎΠ»ΡΡΠΈΠΉ ΠΈΠ½ΡΠ΅ΡΠ΅Ρ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»ΡΠ΅Ρ ΡΠ°ΡΡΡ HID-ΡΠ΅ΠΏΠΎΡΡΠ°, ΡΠΎΠ΄Π΅ΡΠΆΠ°ΡΠ°Ρ Π±Π°ΠΉΡ ΡΠ»Π°Π³ΠΎΠ²-ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΎΡΠΎΠ² ΠΈ ΠΌΠ°ΡΡΠΈΠ² ΠΈΠ· 6 Π±Π°ΠΉΡ Ρ ΠΊΠΎΠ΄Π°ΠΌΠΈ Π½Π°ΠΆΠ°ΡΠΈΠΉ ΠΊΠ»Π°Π²ΠΈΡ (Π΄Π»Ρ ΡΠΏΡΠ°Π²ΠΊΠΈ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡ ΠΎ HID
Sebopeho sa tlaleho ea HID:
// Keyboard HID report structure.
// See https://flylib.com/books/en/4.168.1.83/1/ (last access 2018 december)
// "Reports and Report Descriptors", "Programming the Microsoft Windows Driver Model"
typedef struct{
uint8_t Modifiers;
uint8_t Reserved;
uint8_t KeyCode[6];
}HidKbdReport_t;
Hang-hang pele o fetisetsa sebopeho sa HID ho moamoheli, khoutu e kentsoeng e nka taolo, e kopitsa li-byte tse 8 tsa data ea matsoalloa a HID mohopolong ebe e e romella mocha o lehlakoreng la seea-le-moea ka mongolo o hlakileng. Ka khoutu e shebahala tjena:
//~~~~~~~~~ Send data via radio ~~~~~~~~~~~~~~~~~~~~~~~~~>
// Profiling have shown time execution ~1.88 mSec this block of code
SaveRfState(); // save transceiver state
RfInitForTransmition(TransmitRfAddress); // configure for special trnsmition
hal_nrf_write_tx_payload_noack(pDataToSend,sizeof(HidKbdReport_t)); // Write payload to radio TX FIFO
CE_PULSE(); // Toggle radio CE signal to start transmission
RestoreRfState(); // restore original transceiver state
//~~~~~~~~~ Send data via radio ~~~~~~~~~~~~~~~~~~~~~~~~~<
Channel e lehlakoreng e hlophisitsoe ka makhetlo ao re a behileng ka litΕ‘obotsi tse itseng tsa lebelo la ho qhekella le sebopeho sa pakete.
Ts'ebetso ea transceiver ka har'a chip
LetΕ‘oao la Burst Burst le fokolitsoeng ho Side Channel
Ka mor'a hore pakete e fetisetsoe mocha o lehlakoreng, khoutu e kentsoeng e tsosolosa boemo ba transceiver. Joale e se e loketse ho sebetsa ka mokhoa o tloaelehileng molemong oa firmware ea mantlha.
Litabeng tsa khafetsa le tsa nako-frequency, mocha o lehlakoreng o shebahala tjena:
Π‘ΠΏΠ΅ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠ΅ ΠΈ ΡΠ°ΡΡΠΎΡΠ½ΠΎ-Π²ΡΠ΅ΠΌΠ΅Π½Π½ΠΎΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΠΏΠΎΠ±ΠΎΡΠ½ΠΎΠ³ΠΎ ΠΊΠ°Π½Π°Π»Π°
Ho leka ts'ebetso ea chip ea NRF24 e nang le firmware e fetotsoeng, re ile ra bokella sethala se neng se kenyelletsa dongle ea Logitech e nang le firmware e fetotsoeng, keyboard e se nang mohala le moamoheli e bokaneng motheong oa module ea Sechaena e nang le chip ea NRF24.
Logitech waelese keyboard radio interception circuit
Module e thehiloeng ho NRF24
ΠΠ° ΡΡΠ΅Π½Π΄Π΅ ΠΏΡΠΈ Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΠΎΠΉ ΡΠ°Π±ΠΎΡΠ΅ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΡ ΠΏΠΎΡΠ»Π΅ ΠΏΠΎΠ΄ΠΊΠ»ΡΡΠ΅Π½ΠΈΡ Π΅Π΅ ΠΊ Π΄ΠΎΠ½Π³Π»Ρ Logitech ΠΌΡ Π½Π°Π±Π»ΡΠ΄Π°Π»ΠΈ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΠΎΡΠΊΡΡΡΡΡ Π΄Π°Π½Π½ΡΡ ΠΎ Π½Π°ΠΆΠ°ΡΠΈΡΡ ΠΊΠ»Π°Π²ΠΈΡ Π² ΠΏΠΎΠ±ΠΎΡΠ½ΠΎΠΌ ΡΠ°Π΄ΠΈΠΎΠΊΠ°Π½Π°Π»Π΅ ΠΈ Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΡΡ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΡΠΈΡΡΠΎΠ²Π°Π½Π½ΡΡ Π΄Π°Π½Π½ΡΡ Π² ΠΎΡΠ½ΠΎΠ²Π½ΠΎΠΌ ΡΠ°Π΄ΠΈΠΎΠΈΠ½ΡΠ΅ΡΡΠ΅ΠΉΡΠ΅. Π’Π°ΠΊΠΈΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ, Π½Π°ΠΌ ΡΠ΄Π°Π»ΠΎΡΡ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΡΡ ΠΏΡΡΠΌΠΎΠΉ ΠΏΠ΅ΡΠ΅Ρ Π²Π°Ρ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΠ½ΠΎΠ³ΠΎ Π²Π²ΠΎΠ΄Π° ΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΠ΅Π»Ρ:
Sephetho sa ho thibela keyboard
Khoutu e kentsoeng e hlahisa tieho e nyane ts'ebetsong ea firmware ea dongle. Leha ho le joalo, li nyane haholo hore mosebelisi a ka li hlokomela.
Joalo ka ha u ka inahanela, keyboard efe kapa efe ea Logitech e tsamaellanang le theknoloji ea Unifying e ka sebelisoa bakeng sa vector ena ea tlhaselo. Kaha tlhaselo e lebisitse ho moamoheli oa Unifying e kenyellelitsoeng le li-keyboards tse ngata tsa Logitech, e ikemetse ho latela mofuta o itseng oa keyboard.
fihlela qeto e
Liphetho tsa phuputso li fana ka maikutlo a ts'ebeliso e ka bang teng ea boemo bo nahanoang ke bahlaseli: haeba senokoane se nkela motho ea hlokofalitsoeng sebaka ka moamoheli oa dongle bakeng sa keyboard e se nang mohala ea Logitech, o tla khona ho fumana li-password tsa li-account tsa mohlaseluoa ka tsohle tse latelang. liphello. U se ke ua lebala hore ho ka khoneha ho kenya li-keystrokes, e leng se bolelang hore ha ho thata ho etsa khoutu e ikemetseng khomphuteng ea motho ea hlokofalitsoeng.
Ho thoe'ng haeba ka tΕ‘ohanyetso mohlaseli a ka fetola firmware ea leha e le efe ea Logitech dongle ka USB? Ebe, ho tloha li-dongles tse arohaneng haufi-ufi, u ka etsa marang-rang a li-repea-up le ho eketsa sebaka sa ho lutla. Le hoja mohlaseli "ea ruileng licheleteng" a tla khona ho "mamela" ho kenya keyboard le ho tobetsa linotlolo esita le ho tsoa mohahong o haufi, lisebelisoa tsa morao-rao tsa seea-le-moea tse nang le lisebelisoa tse khethehileng haholo, li-radio-radio tse nang le lisebelisoa tse nang le nako e khutΕ‘oanyane le li-antenna tse tataisoang haholo li tla li lumella. ho "mamela" ho kenya keyboard le ho tobetsa linotlolo esita le ho tloha mohahong oa boahelani.
Lisebelisoa tsa seea-le-moea tsa litsebi
ΠΠΎΡΠΊΠΎΠ»ΡΠΊΡ Π±Π΅ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΎΠΉ ΠΊΠ°Π½Π°Π» ΠΏΠ΅ΡΠ΅Π΄Π°ΡΠΈ Π΄Π°Π½Π½ΡΡ ΠΊΠ»Π°Π²ΠΈΠ°ΡΡΡΡ Logitech Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΠΎ Ρ ΠΎΡΠΎΡΠΎ Π·Π°ΡΠΈΡΠ΅Π½, Π½Π°ΠΉΠ΄Π΅Π½Π½ΡΠΉ Π²Π΅ΠΊΡΠΎΡ Π°ΡΠ°ΠΊΠΈ ΡΡΠ΅Π±ΡΠ΅Ρ Π½Π°Π»ΠΈΡΠΈΡ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄ΠΎΡΡΡΠΏΠ° ΠΊ ΡΠ΅ΡΠΈΠ²Π΅ΡΡ, ΡΡΠΎ ΡΠΈΠ»ΡΠ½ΠΎ ΠΎΠ³ΡΠ°Π½ΠΈΡΠΈΠ²Π°Π΅Ρ Π°ΡΠ°ΠΊΡΡΡΠ΅Π³ΠΎ. ΠΠ΄ΠΈΠ½ΡΡΠ²Π΅Π½Π½ΡΠΌ Π²Π°ΡΠΈΠ°Π½ΡΠΎΠΌ Π·Π°ΡΠΈΡΡ Π² Π΄Π°Π½Π½ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ ΠΌΠΎΠ³Π»ΠΎ Π±Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΌΠ΅Ρ Π°Π½ΠΈΠ·ΠΌΠΎΠ² ΠΊΡΠΈΠΏΡΠΎΠ³ΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π·Π°ΡΠΈΡΡ Π΄Π»Ρ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ ΡΠ΅ΡΠΈΠ²Π΅ΡΠ°, Π½Π°ΠΏΡΠΈΠΌΠ΅Ρ ΠΏΡΠΎΠ²Π΅ΡΠΊΠ° ΠΏΠΎΠ΄ΠΏΠΈΡΠΈ Π·Π°Π³ΡΡΠΆΠ°Π΅ΠΌΠΎΠΉ ΠΏΡΠΎΡΠΈΠ²ΠΊΠΈ Π½Π° ΡΡΠΎΡΠΎΠ½Π΅ ΡΠ΅ΡΠΈΠ²Π΅ΡΠ°. ΠΠΎ, ΠΊ ΡΠΎΠΆΠ°Π»Π΅Π½ΠΈΡ, NRF24 ΡΡΠΎ Π½Π΅ ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΈΠ²Π°Π΅Ρ ΠΈ Π² ΡΠ°ΠΌΠΊΠ°Ρ ΡΠ΅ΠΊΡΡΠ΅ΠΉ Π°ΡΡ ΠΈΡΠ΅ΠΊΡΡΡΡ ΡΡΡΡΠΎΠΉΡΡΠ²Π° ΡΠ΅Π°Π»ΠΈΠ·ΠΎΠ²Π°ΡΡ Π·Π°ΡΠΈΡΡ Π½Π΅Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ. Π’Π°ΠΊ ΡΡΠΎ Π±Π΅ΡΠ΅Π³ΠΈΡΠ΅ Π²Π°ΡΠΈ Π΄ΠΎΠ½Π³Π»Ρ, Π²Π΅Π΄Ρ ΠΎΠΏΠΈΡΠ°Π½Π½ΡΠΉ Π²Π°ΡΠΈΠ°Π½Ρ Π°ΡΠ°ΠΊΠΈ ΡΡΠ΅Π±ΡΠ΅Ρ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π΄ΠΎΡΡΡΠΏΠ° ΠΊ Π½ΠΈΠΌ.
Raccoon Security β ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½Π°Ρ ΠΊΠΎΠΌΠ°Π½Π΄Π° ΡΠΊΡΠΏΠ΅ΡΡΠΎΠ² ΠΠ’Π¦ Β«ΠΡΠ»ΠΊΠ°Π½Β» Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎΡΡΠΈ, ΠΊΡΠΈΠΏΡΠΎΠ³ΡΠ°ΡΠΈΠΈ, ΡΡ Π΅ΠΌΠΎΡΠ΅Ρ Π½ΠΈΠΊΠΈ, ΠΎΠ±ΡΠ°ΡΠ½ΠΎΠΉ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΈ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ Π½ΠΈΠ·ΠΊΠΎΡΡΠΎΠ²Π½Π΅Π²ΠΎΠ³ΠΎ ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ½ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ.
Source: www.habr.com