Polymorphic nje - ihe ọ bụ na otú obibi ha?

Anyị na niile nụrụ banyere ihe ize ndụ nke obi software, karịsịa na netwọk. Special mmemme maka nchedo iche iche egwu dị mma ego, ma ọ bụ n'ebe ọ bụla uche na ndị a na-akwụ ụgwọ? Tụlee kasị ahụkarị ụdị ọrịa media, karịsịa kasị dị ize ndụ n'ime ha - polymorphic nje.

The pụtara na ọrịa

Site ntụnyere na nkà mmụta ọgwụ, sistemụ kọmputa na-ewere dị iche iche "ntule" na-enwe ike bulie "ọrịa" n'oge mmekọrịta dijitalụ gburugburu ebe obibi: si Internet ma ọ bụ site n'iji mbughari media untested. N'ihi ya aha nke ka ukwuu nke obi omume - nje. Ná mmalite nke ya anya polymorphic nje ndị fun maka ọkachamara, ihe nke a ule nke ha ikike, nakwa dị ka ule nke ụfọdụ usoro nke nchebe nke sistemụ kọmputa na netwọk ego. Ugbu a hackers si pampering kwagara n'ihu ọha omempụ na-eme, na ihe nile n'ihi na nke ụwa ọnụ nke dijitalụ ichekwa ego na bank na sistemụ na-enye ohere e-wallets si fọrọ nke nta n'ebe ọ bụla n'ụwa. The ọmụma onwe ya, n'ihi na nke ugbu a na-achụ nta virus dere, bụ ugbu a karịa inweta, na ya bara uru na ụba na iri puku kwuru iri na ọtụtụ narị ugboro tụnyere tupu digital ugboro.

Description na akụkọ ihe mere eme nke omume

Polymorphic nje, dị ka aha na-atụ aro, na-enwe ike ịgbanwe ha koodu mgbe na-eke gị akwụkwọ. N'ihi ya, ụmụ virus enweghị ike kọwaa antiviral mmadụ maka otu nkpuchi na hụrụ dum maka a mfe akaghị. The mbụ virus ịgbanwe ya koodu technology e wepụtara azụ na 1990 n'okpuru aha ogwumagala. Serious mmepe nke virus ide technology bụ a obere ka e mesịrị na biakwa obibia nke polymorphic code generators, otu onye nke a na-akpọ Trident Polymorphic Engine e kesara na zuru ezu ntuziaka na-edebe ihe ochie nke BBS. Na Itie nke oge polymorphism technology adịghị agbanweela ọ bụla isi mgbanwe, ma e nwere ụzọ ndị ọzọ na-ezo ezo obi omume.

mgbasa nke nje

Na mgbakwunye na-ewu ewu n'etiti spammers na virus dere e-mail na usoro, na mmụba nje nwere ike inwe n'ime kọmputa gị na ndị faịlụ ebudatara, na iji nje Internet ego via a pụrụ iche njikọ. N'ihi na ọrịa nwere ike iji nje duplicates ama saịtị. Mbughari media, a na overwrite ọrụ, kwa, nwere ike ịghọ a isi iyi nke ọrịa, dị ka ha nwere ike ịnwe nje faịlụ na onye ọrụ ahụ bụ ike na-agba ọsọ onwe ya. Dị iche iche na-arịọ installers nwa oge gbanyụọ mgbochi nje software kwesịrị a mgbaàmà ka onye ọrụ, ọ dịghị ihe a miri emi ule executable files. Automatic nkesa nke nje bụ omume na ikpe nke na nchọpụta nke intruders ndọghachi azụ nchedo usoro ndị dị otú software implementations na-na-na-iji na kpọmkwem ụdị netwọk na sistem. Popularization nke ụlọ ọrụ software nwekwara dọtara uche nke kpara, dapụtara na a pụrụ iche nje macros. Ndị a virus mmemme nwere oké drawback, ha "na kegide" na faịlụ ụdị, nnukwu-nje si a Okwu-faịlụ ike emekọ ihe Excel spreadsheet.

ụdị polymorphism

Polymorphic Ọdịdị subdivided na mgbagwoju anya nke algọridim na-eji ọtụtụ dị iche iche. Oligomorfnye - nnọọ mfe - na-eji mgbe nile encrypt gị onwe gị na koodu, otú ọbụna a ìhè antivirus bụ ike gbakọọ na neutralize ha. Nke a na-esochi ya bụ Koodu na a ole na ole ntuziaka maka izo ya ezo na ojiji nke "efu" koodu, ịchọpụta otú ahụ nchedo nje omume ga-enwe ike ifucha site mkpofu otu.

Viruses n'itinye ịgbanwe ya Ọdịdị enweghị a ọnwụ nke arụmọrụ, dị ka nke ọma dị ka ndị ọzọ ọgbàràùhie Usoro ifiọkde ala-larịị, ugbua na-anọchi anya a ihe ịma aka maka antiviral nchọpụta. Enweghị ngwọta polymorphic nje, esịnede software blocks nwere ike tinye akụkụ nke koodu dị iche iche ebe nje faịlụ. N'ezie, a na virus dịghị mkpa ka na-eji "efu" na koodu, nke na-eji dị executable koodu nke nje faịlụ. Ọ dabara nke ọma ọrụ na-emegide nje software mmepe ede ihe ndị a nje na-achọ oké ihe ọmụma nke assembler na dị naanị na programmers a nnọọ elu larịị.

Goals, ebumnobi na ụkpụrụ nke ime ihe

Malitere ịrịa koodu dị ka akụkụ nke a netwọk worm pụrụ inwe oké ize ndụ, n'ihi na, na mgbakwunye na ike ọsọ nke propagation, na-enye data na mmetụta ọjọọ na ofufe nke usoro faịlụ. Head-virus polymorph na mejupụtara nke ikpuru ma ọ bụ ndabere nke ha koodu na-eme ka ọ dịkwuo mfe uzo nche atụmatụ nke gị na kọmputa. na nje ihe mgbaru ọsọ pụrụ ịdị nnọọ iche, si mfe na-ezu ohi na mbibi zuru ezu nke data dere na-adịgide adịgide nchekwa media, nakwa dị ka emeghasịkwa nke sistem na ha zuru ezu destabilization. Ụfọdụ virus mmemme na-enwe ike nyefee akara nke na kọmputa kpara-emeghe ma ọ bụ na-ezo akpalite na ndị ọzọ prog Ramm, jikọọ netwọk akụ ma ọ bụ na-akwụ ụgwọ maka mfe file nyefe. Ndị ọzọ na-na-enwe ike seamlessly "ndụ" na-echeta na ịchịkwa nke ugbu a usoro nke na-agba ọsọ ngwa ke search maka kwesịrị ekwesị faịlụ ife efe ma ọ bụ ka ike na nnyonye anya na onye ọrụ.

ụzọ nke nchebe

Wụnye mgbochi nje bụ kwesịrị maka ihe ọ bụla na kọmputa jikọọ na netwọk, dị ka sistemụ arụmọrụ na-apụghị ichebe onwe gị si malware, ma ihe kasị mfe. The adọ mmelite nke ọdụ data na Ịhazi ịgụ isiokwu nke faịlụ, na mgbakwunye na a na-adịgide adịgide nlekota usoro, ga-aka aghọta ihe ọrịa na iwepụ isi iyi. Mgbe na-eji okenye ma ọ bụ iji nwayọọ na kọmputa taa nwere ike ịbụ mfe iji wụnye antivirus software nke na-eji ojii nchekwa nke virus database. The nhọrọ nke ndị dị otú ahụ na omume bụ nnọọ mbara, ha niile na-irè n'ọtụtụ dịgasị iche, na price nke mgbochi-virus software ọ bụghị mgbe niile na-ekwu okwu nke ya dị elu pụrụ ịdabere. A anya plus ugwo omume - ọnụnọ nke na-arụsi ọrụ ahịa nkwado na Ugboro mmelite nke virus ọdụ data, Otú ọ dị, oge ụfọdụ free analogues na-anabatakwa ntoputa nke ọhụrụ virus signatures ke netwọk.