El malware yana kara zama mai wayewa, kuma GNU / Linux basu da cikakkiyar kariya daga irin waɗannan barazanar. A zahiri, ana gano ƙarin ƙananan lambobi waɗanda suka shafi wannan tsarin aiki. Sabili da haka, kada kuyi kuskuren tunanin cewa tsarin tsari ne wanda ba za'a iya cinye shi ba kuma kuna da cikakkiyar aminci, tunda zai zama rashin kulawa ...
Barazanar tsaro ta yanar gizo tana zama baƙo kuma baƙo, kuma yanzu zan nuna muku wanda ke damun ku ɗan lokaci kuma mai yiwuwa baku sani ba. Game da shi malware mara fayel-fayel, ma'ana, wani sabon nau'in muguwar lamba wacce bata buƙatar fayiloli don cutar da ita. Kuma wannan ya kasance faɗakar da shi ta cibiyar bincike ta tsaro ta Alien Labs. Bugu da kari, suna gargadin cewa masu aikata laifuka ta hanyar intanet suna ta amfani da shi a kan injunan Linux, kodayake da farko an yi amfani da shi a cikin Windows.
Menene malware mara faɗi?
Ba kamar malware na yau da kullun ba, wanda ke amfani da fayilolin da za'a iya aiwatarwa don cutar da tsarin, fileless baya dogaro da waɗannan fayilolin don aiwatar da kamuwa da cutar. Sabili da haka, yana iya zama ɗan ƙaramin ɓoyayyen hari wanda ke mai da hankali ga hanyoyin amintacce. loda cikin RAM don cin gajiyar su kuma gudanar da lambar ɓarna.
Wannan nau'in malware galibi ana amfani dashi don ɓoyewa ko zuwa tace bayanan sirri kuma canza su kai tsaye zuwa maharin daga nesa. Kuma mafi munin abu shine basu bar wata alama akan tsarin cuta ba, suna tafiyar da komai a cikin babban ƙwaƙwalwar ba tare da buƙatar fayiloli akan rumbun kwamfutar da kayan aikin antimalware zasu iya ganowa ba. Hakanan, lokacin da kuka sake farawa ko rufe tsarin, duk muguwar lambar ta ɓace, amma lalacewar an riga anyi ...
Maiyuwa bazai zama mai dagewa ba saboda halayensa, amma yana iya zama kyawawan haɗari akan sabobin da wasu na'urori waɗanda da ƙyar ake rufe su ko sake kunnawa, inda zai iya yin aiki na dogon lokaci.
Ta yaya wannan malware ke aiki?
To, tsaya harba wani tsarin, malware marasa file suna aiwatar da matakai da yawa:
- Tsarin ya kamu da cutar ta amfani da wasu yanayin rauni ko kuskuren mai amfani. Ko saboda rauni a cikin software da aka yi amfani da shi, mai leƙan asirri, da sauransu.
- Da zarar cutar, da wadannan ne gyara tsari na waɗanda ke gudana a ƙwaƙwalwa. Don haka zaku yi amfani da tsarin kira ko tsarma kamar ptrace () akan Linux.
- Yanzu ne lokacin zama saka lambar qeta ko malware a cikin RAM, ba tare da buƙatar rubuta zuwa rumbun ba. Ana samun wannan ta hanyar yin amfani da ambaliyar ajiya, sake rubuta wurare masu ƙwaƙwalwa dab da tsarin sarrafa su.
- Lambar sharri tana gudana kuma tana daidaita tsarin, komai abin da yake. Gabaɗaya, ire-iren waɗannan malware suna amfani da damar masu fassarar yaruka kamar Python, Perl, da sauransu, don gudana, tunda an rubuta su cikin waɗancan yarukan.
Yadda za a kare kaina daga malware?
Shawara mafi kyau ita ce hankula. Tabbas, samun tsarin tsaro mai karfi, kebancewa, mahimman bayanan adana bayanai, da dai sauransu, zasu taimaka maka hana barazanar kawo babbar lalacewa. Game da rigakafin, zai faru kamar yadda sauran barazanar suke:
- Sabunta tsarin aiki da sanya software tare da sabbin facin tsaro.
- Cire aikace-aikace / aiyukan da ba'a buƙata.
- Rictuntata gata.
- Duba rajistan ayyukan akai-akai kuma saka idanu hanyoyin sadarwa.
- Yi amfani da kalmomin shiga masu ƙarfi.
- Kar a zazzage daga kafofin da ba za a dogara da su ba.