Ndị nyocha nchekwa sitere na ụlọ ọrụ China Tencent () klas ọhụrụ nke mwakpo BadPower iji merie chaja maka smartphones na laptọọpụ na-akwado . Mwakpo ahụ na-enye ohere ka chaja na-ebunye ike dị ukwuu nke na-emeghị ka akụrụngwa na-arụ ọrụ, nke nwere ike iduga ọdịda, agbaze akụkụ, ma ọ bụ ọbụna ọkụ nke ngwaọrụ ahụ.
A na-eme mwakpo ahụ site na ekwentị onye ahụ metụtara, njikwa nke onye mwakpo ahụ na-ejide ya, dịka ọmụmaatụ, site na nrigbu adịghị ike ma ọ bụ iwebata malware (ngwaọrụ ahụ n'otu oge na-eme dị ka isi mmalite na ebumnuche nke mbuso agha ahụ). Enwere ike iji usoro a mebie ngwaọrụ emebiela n'ụzọ anụ ahụ ma mee sabotage nke nwere ike ibute ọkụ. Mwakpo a na-adabara chaja na-akwado mmelite firmware na anaghị eji nkwenye koodu nbudata site na iji mbinye aka dijitalụ. Chaja na-akwadoghị ọkụ anaghị enwe ike ibuso ya ọgụ. Ogo nke mmebi nwere ike ịdabere na ụdị chaja, mmepụta ike na ọnụnọ nke usoro nchebe oke na ngwaọrụ ndị a na-ebubo.
Usoro nchaji ngwa ngwa USB na-egosi usoro nke jikọtara paramita nchaji na chaja ngwaọrụ. Ngwaọrụ a na-ebubo na-ebufe ozi na chaja gbasara ụdịdị akwadoro yana voltaji ekwere (dịka ọmụmaatụ, kama 5 volts, a na-akọ na ọ nwere ike ịnara 9, 12 ma ọ bụ 20 volts). Chaja nwere ike nyochaa parameters n'oge ịchaji, gbanwee ọnụego ụgwọ ma gbanwee voltaji dabere na okpomọkụ.
Ọ bụrụ na chaja na-amata n'ụzọ doro anya oke oke ma ọ bụ mee mgbanwe na koodu njikwa chaja, chaja nwere ike mepụta paramita chaja nke emeghị ngwaọrụ ahụ. Usoro mbuso agha BadPower gụnyere imebi ngwa ngwa ma ọ bụ na-ebunye ngwa ngwa emezigharịrị na chaja, nke na-edobe voltaji kachasị ike. Ike nke chaja na-eto ngwa ngwa na, dịka ọmụmaatụ, Xiaomi ọnwa na-abịa ịhapụ ngwaọrụ na-akwado teknụzụ chaja ngwa ngwa 100W na 125W.
N'ime ihe nkwụnye ọkụ ngwa ngwa 35 na batrị mpụga (Power Banks) nke ndị nyocha nyochara, nke a họọrọ site na ụdị 234 dị na ahịa, ọgụ ahụ metụtara ngwaọrụ 18 nke ndị nrụpụta 8 mepụtara. Mwakpo a na 11 n'ime ngwaọrụ 18 nwere nsogbu ga-ekwe omume na ọnọdụ akpaka zuru oke. Ịgbanwe firmware na ngwaọrụ 7 chọrọ nhazi anụ ahụ nke chaja. Ndị nyocha ahụ bịara na nkwubi okwu na ogo nke nchekwa anaghị adabere na usoro nchaji ngwa ngwa ejiri, mana ọ jikọtara ya na ikike imelite firmware site na USB yana iji usoro cryptographic iji nyochaa arụmọrụ na ngwa ngwa.
A na-agbanye ụfọdụ chaja site na ọdụ ụgbọ USB ọkọlọtọ ma nye gị ohere ịgbanwe firmware site na ama ma ọ bụ laptọọpụ a wakporo na-ejighi ngwa pụrụ iche ma zoo ya n'aka onye nwe ngwaọrụ ahụ. Dị ka ndị nchọpụta si kwuo, ihe dị ka 60% nke ngwa ngwa chaja na ahịa na-enye ohere mmelite firmware site na ọdụ ụgbọ USB na ngwaahịa ikpeazụ.
Ọtụtụ nsogbu ndị metụtara teknụzụ ọgụ BadPower nwere ike idozi na ọkwa firmware. Iji gbochie mwakpo ahụ, a gwara ndị na-emepụta chaja nwere nsogbu ka ha wusie ike nchebe megide mgbanwe nke firmware na-akwadoghị, yana ndị na-emepụta ngwaọrụ ndị na-ere ahịa ka ha tinyekwuo usoro nchịkwa ibufe. A naghị atụ aro ndị ọrụ ka ha jiri ihe nkwụnye nwere Ụdị-C jikọọ ngwaọrụ chaja ngwa ngwa na smartphones na-akwadoghị ọnọdụ a, ebe ọ bụ na ụdị dị otú ahụ anaghị echebe ya pụọ na ibu ibu.
isi: opennet.ru