Tag nrho malware yog phem, tab sis qee hom malware ua ntau dua lwm tus. Qhov kev puas tsuaj ntawd yuav yog ntawm cov ntaub ntawv kom poob tag nrho kev ruaj ntseg - txawm tias outright yog tub sab. Daim ntawv teev npe (nyob rau hauv tsis muaj kev txiav txim) muab cov ntsiab lus qhia txog kev ua kom raug ntau hom malware, nrog rau cov kab mob , Trojans thiab ntau dua.
Overwriting Virus
Qee tus kab mob muaj ib lub siab phem uas ua rau qee cov ntaub ntawv rho tawm - qee zaus txawm tias tag nrho cov ntsiab lus tsav. Tab sis raws li phem li hais tias lub suab, yog cov neeg siv ua sai sai qhov yuav muaj qhov zoo yog cov ntaub ntawv deleted yuav zoo tu qab tso. Hla cov kab mob overwriting virus , txawm li cas los, sau tshaj cov thawj cov ntaub ntawv nrog lawv tus kheej lub siab nyiam code. Vim tias cov ntaub ntawv raug hloov / hloov, nws tsis tuaj yeem rov qab. Zoo hmoo, overwriting kab mob yuav tsis tshua muaj - nyob rau hauv lawv tus kheej lawv kev puas tsuaj yog lub luag hauj lwm rau lawv luv luv lifespan. Loveletter yog ib qho ntawm cov paub zoo-paub piv txwv ntawm malware uas muaj ib qho overwriting payload.
Ransomware Trojans
Ransomware trojans encrypt cov ntaub ntawv cov ntaub ntawv ntawm tus kab mob, ces thov nyiaj los ntawm cov neeg raug pauv hauv kev yuam cov nyiaj yuam kev. Hom kev phem no yog ntxiv rau kev tsim txom - tsis tsuas yog tus neeg tau ploj nkag mus rau lawv tus kheej cov ntaub ntawv tseem ceeb, lawv kuj ua neeg raug tsim txom. Pgpcoder yog kab tias qhov zoo tshaj plaws-paub piv txwv ntawm tus ransomware trojan. Ntau »
Password Stealers
Lo lus zais nyiag trojans sau daim ntawv pov thawj rau lub tshuab, tes hauj lwm, FTP, email, kev ua si, thiab cov tuam txhab thiab cov chaw luam khoom. Muaj ntau lo lus password stealers yuav rov qab dua customized los ntawm attackers tom qab lawv tau tus kab mob. Piv txwv, tib lo lus password nyiag trojan kab mob yuav thawj zaug nkag login rau email thiab FTP, ces tus tshiab config ntaub ntawv xa mus rau qhov system uas ua rau nws tig tig mus ntxawm tus ID nkag mus peev txheej ntawm cov tuam txhab hauv online. Lo lus zais stealers uas ua si hauv online yog tej zaum feem ntau feem ntau tham txog, tab sis tsis yog txhais tau tias yog kev ua si rau feem ntau hom phiaj.
Keyloggers
Nyob rau hauv nws daim ntawv nyuaj, tus keylogger trojan yog siab phem, surreptitious software uas saib koj keystrokes, txiav lawv rau ib daim ntawv thiab xa lawv tawm mus rau tej thaj chaw deb attackers . Qee cov keyloggers yog muag software - hom niam txiv yuav siv los sau lawv cov menyuam cov kev ua ub no hauv online los yog tus txheeb tus txij nkawm yuav txhim kho cov tabs ntawm lawv tus khub.
Keyloggers tej zaum yuav sau tag nrho cov keystrokes, los yog lawv yuav ua tau zoo txaus los saib xyuas rau ib qho kev ua si - xws li qhib lub web browser taw rau koj lub chaw hauv online banking. Thaum twg tus cwj pwm xav tau pom, tus keylogger nkag mus rau hom ntaub ntawv, capturing koj tus ID nkag mus username thiab password. Ntau »
Backdoors
Backdoor trojans muab tej thaj chaw deb, kev siv surreptitious nkag tau rau cov kab mob. Muab lwm txoj kev, nws yog qhov sib npaug ntawm kev sib tw nrog koj tus neeg uas tuaj yeem zaum ntawm koj cov keyboard. Tus backdoor trojan yuav tso cai rau tus attacker coj txhua yam koj ua - tus nkag rau hauv cov neeg siv - yuav nquag tau coj. Ntawm no sab nraum qab, tus neeg ua tua rog kuj tuaj yeem upload thiab nruab ntxiv cov malware , nrog rau tus password stealers thiab keyloggers.
Rootkits
Ib tug rootkit muab attackers tag nrho nkag mus rau lub system (li lub sij hawm 'hauv paus') thiab feem ntau hides cov ntaub ntawv, folders, cov ntaub ntawv edits, thiab lwm yam khoom uas nws siv. Ntxiv rau kev nkaum nws tus kheej, ib tug rootkit feem ntau hides lwm siab phem ntaub ntawv uas nws yuav tau nrog. Cov cua daj cua dub yog ib qho piv txwv ntawm rootkit-enabled malware. (Nco ntsoov tias tsis yog txhua tus Storm Trojans yog rootkit-enabled). Ntau »
Bootkits
Txawm hais tias yuav tsum muaj kev xav ntau tshaj li qhov siv, daim ntawv kho mob no yuav ua rau lub plhaub teejtug yog qhov tseem ceeb tshaj plaws. Bootkits kis flash BIOS, ua rau lub malware yuav tsum loaded txawm ua ntej lub OS. Ua ke nrog rootkit functionality, lub hybrid bootkit yuav ze ze tsis yooj yim sua rau xws li observer mus ntes, ntau tsawg tshem tawm.