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I-Semalt Ixwayisa Ngezingu-4 Ze-Spam Botnets

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I-imeyli yogaxekile yakha ingxenye enkulu yama-imeyili afinyelela kumakhompyutha abantu. Iningi lama-imeyili abantu abatholayo livela kugaxekile. Ezimweni eziningi, lawa ma-imeyili avela kubhobho namabhodlela. Ukulwa nokuhlaselwa kwe-botnet akuwona umsebenzi olula. Isibonelo, umuntu kufanele akhumbule ngenani lebhobhu, imiyalezo ethunyelwe kanye nama-byte athunyelwe yi-botnet.

U-Oliver King, isazi esiphezulu esivela ku Semalt , ukhuluma ngalokhu mayelana nokuhlaselwa kwe-botnet nendlela yokulawula imiphumela yabo. Hlala uphephile kusuka ku-botnets alandelayo.

Grum (i-Tedroo)

I-botnet ye-grum isebenzisa amanye amasu amasha ukuze athuthukise izisulu zayo. Le botnet iyi-rootkit ye-kernel-mode okuyinto enzima kakhulu ukuhlunga ukuyihlola. Ezinkambisweni eziningi zokusebenza, le botnet isebenza njengegciwane elijwayelekile, lapho lifaka khona ezinye zokubhalisa komsebenzisi. Kulolu hlobo lokuhlaselwa, kucacile ukuthi iningi lamafayela avunyelwe asebenze.

Grum kwenzeka njengendlela spam ukuthengisa imikhiqizo imithi efana Viagra. I-Grum ineamalungu angu-600,000, anesibopho sokuthumela ama-imeyili angaphezu kwezigidi ezingu-40 usuku ngalunye kwi-niche yalo. I-Grum nayo inegalelo elingaphezu kuka-25% lama-imeyili ogaxekile eziswini zayo.

i-Bobax (i-Kraken / i-Oderoor / i-Hacktool.spammer)

i-Bobax ivela njengebhokisi elingaziwa elivela kumaseva wesiphequluli sewebhu. Lokhu kuhlaselwa kwenza kube nzima ngabaqaphi abamhlophe bezinkokhelo ukuyibona, okungafinyeleleki kalula. Njengamanje, amalungu angaphezulu kuka-10 000 awalokhu kuhlaselwa..Ngokufanayo, kunomthelela cishe ku-15% kuwo wonke ama-imeyili ogaxekile athunyelwa ngokuhamba kwesikhathi. Kusukela kulolu hlobo, uBobax unesibopho sokuthumela ama-imeyili angama-imeyili ayizigidi ezingu-27 ngosuku. Ukuhlaselwa kwe-Bobax kufana ne-botnet eyaziwa ngokuthi i-Kraken. Ezinye zezinyathelo zayo zesenzo zihlanganisa ukuqasha ikholi esenzweni. Lokhu ogaxekile kungalimaza kulandela iziteshi ezahlukene. Ngesikhathi esilandelayo lapho uqasha ibhodini, qaphela umthombo.

i-Pushdo (i-Cutwail / i-Pandex)

Kusukela ngo-2007, i-Pushdo ibilokhu ithumela ama-imeyili ogaxekile kubasebenzisi abangaphezu kwezigidi ezingu-19 emhlabeni jikelele. U-Pushdo waqala ukuhlasela kwakhe ngokuyinhloko eceleni kwebhokisi le-Storm. Nokho, Isiphepho asisekho emdlalweni, kodwa uPushdo uyaqhubeka. I-Pushdo ibonakala njengesofthiwe yokulanda. Uma abasebenzisi befinyelela kuso, kulandelwa enye isofthiwe ngegama elithi Cutwail. I-cutwail iyenzeka njengesofthiwe yokugaxekile, efinyelela kukhompuyutha yesisulu. I-Pushdo ogaxekile iza ngezindlela ezihlukahlukene, kufaka phakathi amakhasino ase-inthanethi, ama-pharmaceuticals kanye nama-phishing schemes.

Rustock (Costrat)

URustock wasinda esakhiweni esikhulu se-spam se-spam sashaya phansi ngonyaka ka-2008. Ezinye zezihlaselo ezenziwa ngaphansi kwalokhu zihlanganisa i-botc McColo. Ukuhlaselwa kogaxekile ku-Rustock ku-Rustock kunenethiwekhi ye-botnets cishe yezigidi ezimbili. Enye yezinhlobo zayo ezihlukile zokuhlaselwa yiyo indlela ehlasela ngayo kusuka ku-3 a.m. kuya ku-7 a.m. EST (GM-5) nsuku zonke. Ama-imeyili aqukethe ama-clones ama-imeyili avela kwamanye amakheli e-imeyili asemthethweni kanye nemilayezo yokuhlanganiswa kwezokuxhumana. Lokhu kuhlaselwa kogaxekile kuvame ukungabonakali futhi kungabonakala njengemidlalweni evamile yemithi.

Isiphetho

Ama-imeyli ogaxekile avela ekuhlanganiseni okujwayelekile kubantu abasebenzisa i-inthanethi nsuku zonke. Kubalulekile kubanikazi bewebhu ukusebenzisa izinketho zokuhlunga ugaxekile. Ngaphezu kwalokho, abasebenzisi be-intanethi kumele baqinisekise ukuthi amakhompyutha abo aphephile ngokufaka isofthiwe ye-spyware yakamuva.

November 29, 2017
I-Semalt Ixwayisa Ngezingu-4 Ze-Spam Botnets
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