Trojan Horse (Komputa)

Kwayar Virus ta Trojan Horse

Trojan Horse ( ko kuma ace Dokin Trojan) wani nau'in malware ne na kwayar virus wanda ke bayyana a matsayin halaltaccen shiri(application ko software) domin yaudarar masu amfani da shi don saukewa da shigar da shi a kan kwamfutocin su. Da zarar an shigar da shi(Installing), Dokin Trojan na iya yin munanan ayyuka, kamar: Satar bayanai masu mahimmanci, Kula da ayyukan mai amfani, Samun damar da wani zai iya shiga da kutse wa kwamfuta ta bayan gida(wato Backdoor) daga nesa ba tare da izini ba.

Trojans sun bambanta da sauran nau'ikan malware, kamar virus da kuma worms, saboda ba sa yin kwafin kansu. Madadin haka, sun dogara da dabarun injiniyancin zamantakewa (Social Engineering) da hulɗar masu amfani don yadawa. Misali, ana iya ɓoye Trojans a haɗe-haɗe na sakon imel, sabunta software na karya, tallace-tallacen banner, tallace-tallacen faji na yanar gizo, ko hanyoyin haɗin yanar gizo.

Wasu alamun da ke nuna cewa kwamfutarka na iya samun dokin Trojan sun haɗa da:

1. Canje-canje ga allon kwamfutar, kamar canza launi ko ƙuduri, ko allon kifewa.
2. Yawan tallan da ya wuce kima waɗanda ke ba da mafita ga kurakurai.
3. Mouse yana motsi da kansa ko daskarewa, ko maɓallan linzamin kwamfuta suna juyawa.
4. Canje-canje ga shafin farko na mai lilo, ko mai binciken yana ci gaba da tura mai amfani zuwa wani gidan yanar gizo na daban.

Halaiya ta Dokin Trojan

Da zarar an shigar, Trojans na iya yin ayyuka da yawa na mugunta. Mutane da yawa sukan tuntuɓar ɗaya ko fiye Command and Control (C2) sabobin a cikin Intanet kuma suna jiran samun umarni. Tun da Trojans ɗaya kan yi amfani da takamaiman saitin tashar jiragen ruwa don wannan sadarwar, yana iya zama mai sauƙi don gano su. Bugu da ƙari, wasu malware na iya yuwuwar "ƙara" Trojan, ta yin amfani da shi azaman wakili don aikin ɓarna.

Manazarta

• Shedun Android malware – 2015 (discovered)