{"id":33231,"date":"2023-12-08T02:22:48","date_gmt":"2023-12-08T02:22:48","guid":{"rendered":"https:\/\/masterskills.org\/blog\/virus-trong-thuong-mai-dien-tu-la-gi-cac-loai-virus.html"},"modified":"2023-12-23T11:18:15","modified_gmt":"2023-12-23T04:18:15","slug":"virus-trong-thuong-mai-dien-tu-la-gi-cac-loai-virus","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/virus-trong-thuong-mai-dien-tu-la-gi-cac-loai-virus.html","title":{"rendered":"Virus trong th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i Virus"},"content":{"rendered":"
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H\u00ecnh minh ho\u1ea1 (Ngu\u1ed3n: getduplicated)<\/p>\n<\/div>\n<\/div>\n

Virus trong th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Virus <\/b>m\u00e1y t\u00ednh n\u00f3i chung l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 sao ch\u00e9p ch\u00ednh n\u00f3 t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e2y nhi\u1ec5m n\u00e0y sang \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c (\u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 th\u1ec3 l\u00e0 c\u00e1c file ch\u01b0\u01a1ng tr\u00ecnh, v\u0103n b\u1ea3n, m\u00e1y t\u00ednh…). (Theo \u0111\u1ecbnh ngh\u0129a c\u1ee7a bkav)<\/i><\/p>\n

Virus c\u00f3 nhi\u1ec1u c\u00e1ch l\u00e2y lan v\u00e0 t\u1ea5t nhi\u00ean c\u0169ng c\u00f3 nhi\u1ec1u c\u00e1ch ph\u00e1 ho\u1ea1i, nh\u01b0ng ch\u00fang ta ch\u1ec9 c\u1ea7n nh\u1edb r\u1eb1ng \u0111\u00f3 l\u00e0 m\u1ed9t \u0111o\u1ea1n ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 \u0111o\u1ea1n ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00f3 th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 nh\u1eefng m\u1ee5c \u0111\u00edch kh\u00f4ng t\u1ed1t.<\/p>\n

C\u00e1ch l\u00e2y lan c\u1ee7a Virus<\/font><\/h3>\n

C\u00f3 r\u1ea5t nhi\u1ec1u con \u0111\u01b0\u1eddng m\u00e0 virus c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0o m\u00e1y t\u00ednh. Virus c\u00f3 th\u1ec3 l\u00e2y qua m\u1ea1ng n\u1ed9i b\u1ed9 (m\u1ea1ng LAN), qua email, qua c\u00e1c file t\u1ea3i v\u1ec1 t\u1eeb Internet hay t\u1eeb c\u00e1c \u1ed5 \u0111\u0129a USB.\u00a0<\/p>\n

Tinh vi h\u01a1n, ch\u00fang c\u00f3 th\u1ec3 l\u1ee3i d\u1ee5ng c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m, k\u1ec3 c\u1ea3 h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u1ec3 x\u00e2m nh\u1eadp, l\u00e2y nhi\u1ec5m l\u00ean m\u00e1y t\u00ednh th\u00f4ng qua m\u1ea1ng.<\/p>\n

C\u00e1c lo\u1ea1i Virus t\u1ea5n c\u00f4ng v\u00e0o th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/font><\/h3>\n

Virus t\u1ea5n c\u00f4ng v\u00e0o th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed th\u01b0\u1eddng g\u1ed3m 3 lo\u1ea1i ch\u00ednh:\u00a0<\/p>\n

– Virus \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c t\u1ec7p (file) ch\u01b0\u01a1ng tr\u00ecnh (g\u1eafn li\u1ec1n v\u1edbi nh\u1eefng file ch\u01b0\u01a1ng tr\u00ecnh, th\u01b0\u1eddng l\u00e0 .COM ho\u1eb7c .EXE).<\/p>\n

– Virus \u1ea3nh h\u01b0\u1edfng t\u1edbi h\u1ec7 th\u1ed1ng (\u0111\u0129a c\u1ee9ng ho\u1eb7c \u0111\u0129a kh\u1edfi \u0111\u1ed9ng).<\/p>\n

– Virus macro. Virus macro l\u00e0 lo\u1ea1i virus ph\u1ed5 bi\u1ebfn nh\u1ea5t, chi\u1ebfm t\u1eeb 75% \u0111\u1ebfn 80% trong t\u1ed5ng s\u1ed1 c\u00e1c virus \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n. \u0110\u00e2y l\u00e0 lo\u1ea1i virus \u0111\u1eb7c bi\u1ec7t ch\u1ec9 nhi\u1ec5m v\u00e0o c\u00e1c t\u1ec7p \u1ee9ng d\u1ee5ng so\u1ea1n th\u1ea3o, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u1ec7p \u1ee9ng d\u1ee5ng c\u1ee7a MS Word, Excel v\u00e0 Power Point .\u00a0<\/p>\n

Khi ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u1edf c\u00e1c t\u00e0i li\u1ec7u b\u1ecb nhi\u1ec5m virus trong c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng, virus n\u00e0y s\u1ebd t\u1ef1 t\u1ea1o ra c\u00e1c b\u1ea3n sao v\u00e0 nhi\u1ec5m v\u00e0o c\u00e1c t\u1ec7p ch\u1ee9a \u0111\u1ef1ng c\u00e1c khu\u00f4n m\u1eabu c\u1ee7a \u1ee9ng d\u1ee5ng, \u0111\u1ec3 t\u1eeb \u0111\u00f3 l\u00e2y sang c\u00e1c t\u00e0i li\u1ec7u kh\u00e1c.<\/p>\n

T\u00e1c h\u1ea1i c\u1ee7a Virus<\/font><\/h3>\n

C\u00e1c lo\u1ea1i virus c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng, \u0111e do\u1ea1 t\u00ednh to\u00e0n v\u1eb9n v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, thay \u0111\u1ed5i c\u00e1c ch\u1ee9c n\u0103ng, thay \u0111\u1ed5i c\u00e1c n\u1ed9i dung d\u1eef li\u1ec7u ho\u1eb7c \u0111\u00f4i khi l\u00e0m ng\u01b0ng tr\u1ec7 to\u00e0n b\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nhi\u1ec1u h\u1ec7 th\u1ed1ng trong \u0111\u00f3 c\u00f3 c\u00e1c website th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed.\u00a0<\/p>\n

N\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed1i \u0111e do\u1ea1 l\u1edbn nh\u1ea5t \u0111\u1ed1i v\u1edbi an to\u00e0n c\u1ee7a c\u00e1c giao d\u1ecbch th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed hi\u1ec7n nay.<\/p>\n

(T\u00e0i li\u1ec7u tham kh\u1ea3o: Gi\u00e1o tr\u00ecnh Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u0103n b\u1ea3n, 2009, \u0110\u1ea1i h\u1ecdc Ngo\u1ea1i Th\u01b0\u01a1ng)<\/i><\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Virus m\u00e1y t\u00ednh n\u00f3i chung l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 sao ch\u00e9p ch\u00ednh n\u00f3 t\u1eeb \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e2y nhi\u1ec5m n\u00e0y sang \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/33231"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=33231"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/33231\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=33231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=33231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=33231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}