{"id":1171,"date":"2026-04-28T21:13:50","date_gmt":"2026-04-28T14:13:50","guid":{"rendered":"https:\/\/vncybers.vn\/ho-so-virus-cih-chernobyl-sat-thu-phan-cung-kinh-dien-khien-60-trieu-may-tinh-te-liet\/"},"modified":"2026-04-28T21:13:50","modified_gmt":"2026-04-28T14:13:50","slug":"ho-so-virus-cih-chernobyl-sat-thu-phan-cung-kinh-dien-khien-60-trieu-may-tinh-te-liet","status":"publish","type":"post","link":"https:\/\/vncybers.vn\/en\/ho-so-virus-cih-chernobyl-sat-thu-phan-cung-kinh-dien-khien-60-trieu-may-tinh-te-liet\/","title":{"rendered":"H\u1ed3 s\u01a1 Virus CIH (Chernobyl): \u201cS\u00e1t th\u1ee7\u201d ph\u1ea7n c\u1ee9ng kinh \u0111i\u1ec3n khi\u1ebfn 60 tri\u1ec7u m\u00e1y t\u00ednh t\u00ea li\u1ec7t"},"content":{"rendered":"<p>N\u1ebfu ng\u00e0y nay ch\u00fang ta lo s\u1ee3 Ransomware m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u00f2i ti\u1ec1n chu\u1ed9c, th\u00ec v\u00e0o cu\u1ed1i th\u1eadp ni\u00ean 90, c\u00f3 m\u1ed9t c\u00e1i t\u00ean ch\u1ec9 c\u1ea7n nghe th\u1ea5y l\u00e0 d\u00e2n IT th\u1eddi \u0111\u00f3 ph\u1ea3i &#8220;t\u00e1i m\u1eb7t&#8221;: <strong>Virus CIH<\/strong>, hay c\u00f2n g\u1ecdi l\u00e0 <strong>Chernobyl<\/strong>.<\/p>\n<h3>1. K\u1ebb \u0111\u1ee9ng sau b\u00f3ng t\u1ed1i<\/h3>\n<p>CIH kh\u00f4ng \u0111\u1ebfn t\u1eeb m\u1ed9t t\u1ed5 ch\u1ee9c t\u1ed9i ph\u1ea1m xuy\u00ean qu\u1ed1c gia. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0o n\u0103m 1998 b\u1edfi m\u1ed9t sinh vi\u00ean 24 tu\u1ed5i ng\u01b0\u1eddi \u0110\u00e0i Loan t\u00ean l\u00e0 <strong>Tr\u1ea7n Doanh H\u00e0o (Chen Ing-hau)<\/strong>. C\u00e1i t\u00ean CIH \u0111\u01a1n gi\u1ea3n l\u00e0 vi\u1ebft t\u1eaft t\u00ean c\u1ee7a anh ta. H\u00e0o vi\u1ebft CIH \u0111\u1ec3 th\u00e1ch th\u1ee9c c\u00e1c c\u00f4ng ty di\u1ec7t virus l\u00fac b\u1ea5y gi\u1edd, nh\u1eefng \u0111\u01a1n v\u1ecb m\u00e0 anh cho l\u00e0 &#8220;khoe khoang qu\u00e1 m\u1ee9c&#8221; v\u1ec1 kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt. Tuy nhi\u00ean, s\u1ef1 &#8220;th\u1eed nghi\u1ec7m&#8221; n\u00e0y \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 t\u1ea7m ki\u1ec3m so\u00e1t v\u00e0 tr\u1edf th\u00e0nh c\u01a1n \u00e1c m\u1ed9ng to\u00e0n c\u1ea7u.<\/p>\n<h3>2. &#8220;Ng\u00f2i n\u1ed5&#8221; \u1ea9n m\u00ecnh v\u00e0 c\u01a1 ch\u1ebf ph\u00e1 h\u1ee7y t\u00e0n b\u1ea1o<\/h3>\n<p>CIH kh\u00f4ng gi\u1ed1ng b\u1ea5t k\u1ef3 virus n\u00e0o tr\u01b0\u1edbc \u0111\u00f3 nh\u1edd hai kh\u1ea3 n\u0103ng &#8220;\u0111\u1ed9c b\u1ea3n&#8221;:<\/p>\n<ul>\n<li><strong>K\u1ebb l\u00e2y nhi\u1ec5m &#8220;kho\u1ea3ng tr\u1ed1ng&#8221;:<\/strong> Thay v\u00ec t\u0103ng k\u00edch th\u01b0\u1edbc file khi l\u00e2y nhi\u1ec5m, CIH t\u00ecm nh\u1eefng kho\u1ea3ng tr\u1ed1ng (cavities) trong c\u00e1c file th\u1ef1c thi (PE file) \u0111\u1ec3 l\u1ea5p v\u00e0o. \u0110i\u1ec1u n\u00e0y khi\u1ebfn file b\u1ecb nhi\u1ec5m v\u1eabn gi\u1eef nguy\u00ean dung l\u01b0\u1ee3ng, c\u1ef1c k\u1ef3 kh\u00f3 nh\u1eadn di\u1ec7n b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/li>\n<li><strong>Chi\u1ebfn thu\u1eadt t\u00e0n ph\u00e1 &#8220;Chernobyl&#8221;:<\/strong> CIH c\u00f3 m\u1ed9t &#8220;ng\u00f2i n\u1ed5&#8221; \u0111\u01b0\u1ee3c h\u1eb9n gi\u1edd v\u00e0o ng\u00e0y <strong>26 th\u00e1ng 4<\/strong> h\u00e0ng n\u0103m. Khi \u0111\u1ebfn ng\u00e0y n\u00e0y, virus s\u1ebd k\u00edch ho\u1ea1t hai \u0111\u00f2n ch\u00ed m\u1ea1ng: Ghi \u0111\u00e8 r\u00e1c l\u00ean to\u00e0n b\u1ed9 d\u1eef li\u1ec7u tr\u00ean \u1ed5 c\u1ee9ng v\u00e0 c\u1ed1 g\u1eafng ghi \u0111\u00e8 l\u00ean chip <strong>BIOS<\/strong> c\u1ee7a bo m\u1ea1ch ch\u1ee7. N\u1ebfu th\u00e0nh c\u00f4ng, m\u00e1y t\u00ednh s\u1ebd kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c n\u1eefa, tr\u1edf th\u00e0nh m\u1ed9t &#8220;c\u1ee5c g\u1ea1ch&#8221; \u0111\u00fang ngh\u0129a.<\/li>\n<\/ul>\n<h3>3. S\u1ee9c t\u00e0n ph\u00e1 kinh ho\u00e0ng<\/h3>\n<p>V\u00e0o ng\u00e0y 26\/4\/1999, c\u1ea3 th\u1ebf gi\u1edbi r\u00fang \u0111\u1ed9ng. Theo \u01b0\u1edbc t\u00ednh, c\u00f3 kho\u1ea3ng <strong>60 tri\u1ec7u m\u00e1y t\u00ednh<\/strong> b\u1ecb \u1ea3nh h\u01b0\u1edfng, g\u00e2y thi\u1ec7t h\u1ea1i l\u00ean t\u1edbi <strong>1 t\u1ef7 USD<\/strong>. T\u1ea1i Vi\u1ec7t Nam, nhi\u1ec1u ph\u00f2ng m\u00e1y, trung t\u00e2m tin h\u1ecdc th\u1eddi b\u1ea5y gi\u1edd c\u0169ng b\u1ecb qu\u00e9t s\u1ea1ch d\u1eef li\u1ec7u, g\u00e2y hoang mang c\u1ef1c \u0111\u1ed9.<\/p>\n<h3>4. B\u00e0i h\u1ecdc \u0111\u1ec3 l\u1ea1i<\/h3>\n<p>Tr\u1ea7n Doanh H\u00e0o sau \u0111\u00f3 \u0111\u00e3 b\u1ecb b\u1eaft t\u1ea1i \u0110\u00e0i Loan. S\u1ef1 c\u1ed1 n\u00e0y l\u00e0 c\u00fa h\u00edch l\u1edbn nh\u1ea5t khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng nh\u1eadn ra t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 BIOS v\u00e0 th\u00f3i quen Sao l\u01b0u (Backup) d\u1eef li\u1ec7u.<\/p>\n<p>&nbsp;<\/p>\n<p><em>VNCyberS t\u1ed5ng h\u1ee3p t\u1eeb: Wikipedia, Sophos v\u00e0 c\u00e1c t\u01b0 li\u1ec7u l\u1ecbch s\u1eed Internet.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu ng\u00e0y nay ch\u00fang ta lo s\u1ee3 Ransomware m\u00e3 h\u00f3a d\u1eef li\u1ec7u \u0111\u00f2i ti\u1ec1n chu\u1ed9c, th\u00ec v\u00e0o cu\u1ed1i th\u1eadp ni\u00ean 90, c\u00f3 m\u1ed9t c\u00e1i t\u00ean ch\u1ec9 c\u1ea7n nghe th\u1ea5y l\u00e0 d\u00e2n IT th\u1eddi \u0111\u00f3 ph\u1ea3i &#8220;t\u00e1i m\u1eb7t&#8221;: Virus CIH, hay c\u00f2n g\u1ecdi l\u00e0 Chernobyl. 1. K\u1ebb \u0111\u1ee9ng sau b\u00f3ng t\u1ed1i CIH kh\u00f4ng \u0111\u1ebfn t\u1eeb m\u1ed9t [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1170,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[70],"tags":[],"class_list":["post-1171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ho-so"],"_links":{"self":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/comments?post=1171"}],"version-history":[{"count":0,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1171\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media\/1170"}],"wp:attachment":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media?parent=1171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/categories?post=1171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/tags?post=1171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}