Polymorphic ƙwayoyin cuta - abin da yake da shi da kuma yadda za a magance su?

Dukkan mu mun ji game da illar da qeta software, musamman a cikin cibiyar sadarwa. Musamman shirin domin kariya a kan daban-daban barazana ne mai kyau kudi, amma akwai wani ji a wadannan halin kaka? Ka yi la'akari da mafi kowa iri na kamuwa da cuta kafofin watsa labarai, musamman mafi hatsari na su - polymorphic ƙwayoyin cuta.

Ma'anar da kamuwa da cuta

By misalin da magani, kwamfuta tsarin dauke a matsayin raba "kwayoyin" da suke iya karba "kamuwa da cuta" a lokacin da hulda da dijital yanayi: daga Internet, ko ta hanyar amfani da kafofin watsa labarai m untested. Saboda haka sunan yawancin qeta shirye-shirye - ƙwayoyin cuta. A farkon ya bayyanar polymorphic ƙwayoyin cuta sun fun ga masana, wani abu na da wani gwajin na su damar iya yin komai, kazalika da gwaji na wasu tsarin da kariya na kwamfuta da kuma tsarin sadarwa albarkatu. Yanzu hackers daga pampering koma bayyane laifi ayyukan, da kuma duk saboda duniya na dijital banki tsarin da samar da damar yin e-wallets daga kusan ko ina a duniya. The bayanai kanta, ga wanda yanzu ma farautar cutar marubuta, shi ne a yanzu mafi m, tare da da darajar karu zuwa dubun, kuma daruruwan sau idan aka kwatanta da pre-dijital sau.

Description da kuma tarihi na aukuwa

Polymorphic ƙwayoyin cuta, kamar yadda sunan ya nuna, suna iya canza nasu code lokacin da samar da kwafin. Saboda haka, brood cutar ba za a iya ayyana antiviral jamiái daya mask kuma samu dukan mai sauki madauki. A farko virus ya canza ta da nasu code fasahar da aka sake dawo a shekarar 1990, a karkashin sunan hawainiya. Tsanani cigaban cutar rubuce-rubuce da fasaha da aka kadan daga baya tare da zuwan polymorphic code janareto, daya daga wanda ake kira Trident Polymorphic Engine aka rarraba da cikakken umarnin a archives na bbs. Tare da nassi daga lokaci polymorphism fasahar bai halartar wani manyan canje-canje, amma akwai wasu hanyoyin da za a boye qeta ayyuka.

yaduwar cuta

Bugu da kari ga rare daga spammers da cutar marubuta e-mail tsarin, da mutant ƙwayoyin cuta iya samun cikin kwamfutarka tare da saukakkun fayiloli, ta amfani da kamuwa da Internet albarkatun via musamman mahada. Domin kamuwa da cuta iya amfani da kamuwa da duplicates na sanannen sites. M kafofin watsa labarai, yawanci overwrite aiki, ma, zai iya zama tushen kamuwa da cuta, kamar yadda suka iya ƙunsar kamuwa da fayiloli da cewa mai amfani ne iya gudu kanta. Daban-daban buƙatun installers dan lokaci musaki anti-virus software ya zama wata alama ga mai amfani, a kalla ga mai zurfi gwajin executable files. Atomatik rarraba ƙwayoyin cuta ne zai yiwu a yanayin saukan ganewa na intruders raunin kariya tsarin irin software implementations yawanci nufin takamaiman iri networks da kuma aiki tsarin. Popularization na ofishin software ya kuma ja hankalin masu maharan, sakamakon wani musamman kamuwa da macros. Wadannan virus shirye-shirye da tsanani drawback, suna "daura" ga nau'in fayil, Macro-ƙwayoyin cuta daga wata kalma-fayil ba zai iya hulɗa tare da wani Excel.

iri polymorphism

Polymorphic tsarin subdivided a wuya daga cikin Algorithms amfani da dama kungiyoyin. Oligomorfnye - sosai sauki - yi amfani da akai encrypt naka code, don haka ko da wani haske riga-kafi ne iya yin lissafi da kuma neutralize su. Wannan ne ya bi da lambobin da 'yan umarnin ga boye-boye da kuma yin amfani da "komai" code, to gane irin cutar kariya shirin ya kamata su iya raraka ta hanyar da datti tawagar.

Ƙwayoyin cuta da ake ji ya canza ta da nasu tsarin ba tare da wani asarar aiki, kazalika da sauran Hikimar dabara da sanin low-matakin, riga wakiltar wani tsanani kalubale ga antiviral ganewa. M polymorphic ƙwayoyin cuta, kunsha na software tubalan iya shiga ɓangare na code a wurare daban-daban da kamuwa fayil. A gaskiya, wannan cutar lallai ba ne su yi amfani da "komai" code, wanda aka yi amfani a matsayin executable code of kamuwa da fayiloli. Abin farin masu amfani da anti-virus software developers rubuta wadannan ƙwayoyin cuta bukatar tsanani sanin tãra kuma yana samuwa ne kawai don shirye-shirye sosai high matakin.

Goals, manufofin da manufa na aiki

Kwayar code a matsayin wani ɓangare na wani cibiyar sadarwa tsutsa iya gabatar da wani babban barazana, saboda, a Bugu da kari ya gudu daga yaduwa, ya samar da bayanai a kan cutarwa effects kuma samu daga tsarin fayiloli. Head-virus polymorph a cikin abun da ke ciki na tsutsotsi ko tushen su code sa ya fi sauƙi ga kewaye da tsaro fasali na kwamfutarka. a ƙwayoyin cuta a raga iya zama sosai daban-daban, daga sauki sata zuwa cikakken halakar data rubuta a kan m ajiya kafofin watsa labarai, kazalika da rushewa daga Tsarukan aiki da su cikakken rashin jituwa. Wasu virus shirye-shirye ne iya canja wurin iko da kwamfuta maharan bude ko boye jawo sauran prog Ramm, haɗi zuwa cibiyar sadarwa albarkatun ko ya biya bashin sauki canja wurin fayil. Sauran su ne iya seamlessly "rayuwa" a ƙwaƙwalwar ajiya da kuma sarrafa halin yanzu aiwatar da guje-aikace a search for da ya dace fayilolin zuwa harba ko don ƙirƙirar tsangwama tare da mai amfani.

hanyoyin da kariya

Girkawa anti-virus ne dole ne ga duk wani kwamfuta da aka haɗa da cibiyar sadarwa, a matsayin tsarin aiki ba zai iya kare kanka daga malware, amma mafi sauki. A dace sabunta databases da tsanaki scanning na fayiloli, ban da wani m monitoring tsarin, kuma za ta taimake su gane da kamuwa da cuta da kuma kawar da tushen. Lokacin amfani da mazan ko hankali kwakwalwa yau iya zama sauki shigar riga-kafi software da cewa yana amfani da girgije ajiya da cutar database. A selection na irin shirye-shirye ne sosai m, kuma sun kasance duk tasiri ga sãɓãwar launukansa digiri, tare da farashin anti-virus software ne ba ko da yaushe yayi magana akan ya high AMINCI. A tabbataccen da biya shirye-shirye - gaban wani aiki abokin ciniki goyon baya da kuma m updates na cutar bayanai, duk da haka, wasu lokaci free analogues ma amsawa zuwa fitowan da sabon cutar sa hannu a cikin cibiyar sadarwa.