Them ban L va M ma NetSky da bi tha noi

Hai bien the nay xuat hien hom qua, bat chap loi hua hen se ket thuc dot phat tan virus ma tac gia cua no da neu trong ma NetSky.K . Tiep theo 11 phien ban truoc , nhung virus moi khien gioi chuyen gia an ninh mang nghi ngo day la tac pham cua mot doi tuong moi. Dieu do co nghia la ma nguon virus da duoc cong khai.

Thong diep trong NetSky.K tuyen bo do se la phien ban cuoi cung cua loai sau nay nhung cung canh bao rang ma virus se som duoc cong khai. Viec tiet lo ma nguon se tao thuan loi rat nhieu cho nhung hacker khac tiep tuc tao ra phien ban moi ma bien the L va M la bang chung.

Giong nhu cac phien ban truoc, NetSky.L phat tan qua thu dien tu trong mot file dinh kem nhung lai co nhung diem khac biet rat dang chu y. Carole Theriault, chuyen vien an ninh cua Sophos, cho biet bien the nay khong co bat cu thong diep nao nhac den tu “Skynet” nhu virus K, khong co tinh nang truy tim va tieu diet Bagle va khong co bat ky doan text tieng long nao khieu khich tac gia cua virus kia. Dua tren mot so bang chung lien quan, Theriault cho rang cung con mot kha nang khong the bo qua la ke viet NetSky chua han da cham dut tro choi ma chi thay doi kieu thuc hien.

Cac chuyen gia an ninh chua dua ra loi xac nhan nao ve viec ma nguon cua NetSky da duoc phat tan, nhung neu tac gia dau tien cua no lam dung loi tuyen bo cua han va cong khai thong tin nay thi kha nang mot loat virus moi se ra doi la dieu kho tranh khoi. Tham chi, nhung bien the moi con xuat hien voi toc do nhanh hon neu co them nhieu hacker biet tuong tan cach thiet ke loai sau nay.

Cong dong cac cong ty phan mem diet virus xep NetSky.L vao loai nguy co thap vi toc do lay lan cham va bien the M con it nguy hiem hon nua. Nhung phien ban truoc day cua chung, nhat la ban D, tiep tuc la moi de doa tiem tang nhat.

Phan Khuong (theo The Register)