{"id":476039,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:52","modified_gmt":"2023-09-05T11:11:52","slug":"bios-rootkit","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/bios-rootkit\/","title":{"rendered":"B\u1ed9 c\u00f4ng c\u1ee5 root BIOS"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>Trong l\u0129nh v\u1ef1c an ninh m\u1ea1ng, rootkit BIOS l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c gh\u00ea g\u1edbm \u0111\u1ed1i v\u1edbi c\u1ea3 ng\u01b0\u1eddi d\u00f9ng c\u0169ng nh\u01b0 c\u00e1c chuy\u00ean gia b\u1ea3o m\u1eadt. C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0 thao t\u00fang H\u1ec7 th\u1ed1ng \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra c\u01a1 b\u1ea3n (BIOS) c\u1ee7a m\u00e1y t\u00ednh, khi\u1ebfn ch\u00fang c\u1ef1c k\u1ef3 kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o l\u1ecbch s\u1eed, ho\u1ea1t \u0111\u1ed9ng, lo\u1ea1i, \u1ee9ng d\u1ee5ng v\u00e0 t\u00e1c \u0111\u1ed9ng trong t\u01b0\u01a1ng lai c\u1ee7a rootkit BIOS, l\u00e0m s\u00e1ng t\u1ecf m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a m\u1ed1i \u0111e d\u1ecda m\u1ea1ng n\u00e0y.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean<\/h2>\n<p>Kh\u00e1i ni\u1ec7m rootkit BIOS c\u00f3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 2000 khi c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u an ninh m\u1ea1ng b\u1eaft \u0111\u1ea7u kh\u00e1m ph\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00ean ti\u1ebfn \u0111\u1ec3 tr\u00e1nh c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ed1ng vi-r\u00fat truy\u1ec1n th\u1ed1ng. T\u00e0i li\u1ec7u \u0111\u1ea7u ti\u00ean \u0111\u1ec1 c\u1eadp \u0111\u1ebfn rootkit BIOS c\u00f3 t\u1eeb n\u0103m 2007, khi m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u t\u00ean l\u00e0 Loic Duflot tr\u00ecnh b\u00e0y b\u1eb1ng ch\u1ee9ng v\u1ec1 kh\u00e1i ni\u1ec7m t\u1ea1i h\u1ed9i ngh\u1ecb b\u1ea3o m\u1eadt Black Hat. Cu\u1ed9c tr\u00ecnh di\u1ec5n n\u00e0y n\u00eau b\u1eadt ti\u1ec1m n\u0103ng c\u1ee7a m\u1ed9t ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i l\u00e9n l\u00fat ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p nh\u01b0 v\u1eady trong h\u1ec7 th\u1ed1ng, cho ph\u00e9p n\u00f3 ph\u00e1 ho\u1ea1i ngay c\u1ea3 nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd nh\u1ea5t.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 BIOS Rootkit<\/h2>\n<p>Rootkit BIOS l\u00e0 m\u1ed9t lo\u1ea1i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i d\u1ef1a tr\u00ean ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf n\u1eb1m trong BIOS ho\u1eb7c Giao di\u1ec7n ch\u01b0\u01a1ng tr\u00ecnh c\u01a1 s\u1edf m\u1edf r\u1ed9ng h\u1ee3p nh\u1ea5t (UEFI) c\u1ee7a m\u00e1y t\u00ednh. Kh\u00f4ng gi\u1ed1ng nh\u01b0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i th\u00f4ng th\u01b0\u1eddng, rootkit BIOS th\u1ef1c thi tr\u01b0\u1edbc khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh t\u1ea3i, khi\u1ebfn ch\u00fang c\u1ef1c k\u1ef3 kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt truy\u1ec1n th\u1ed1ng. S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u00fang trong BIOS cho ph\u00e9p ch\u00fang th\u1ef1c hi\u1ec7n quy\u1ec1n ki\u1ec3m so\u00e1t to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1ed1i \u0111e d\u1ecda dai d\u1eb3ng (APT) n\u00e2ng cao v\u00e0 c\u00e1c chi\u1ebfn d\u1ecbch gi\u00e1n \u0111i\u1ec7p c\u1ea5p qu\u1ed1c gia.<\/p>\n<h2>C\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng b\u00ean trong<\/h2>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a rootkit BIOS \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo ki\u1ec3u m\u00f4-\u0111un v\u00e0 b\u00ed m\u1eadt. N\u00f3 th\u01b0\u1eddng bao g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>M\u00f4-\u0111un BIOS\/UEFI<\/strong>: Th\u00e0nh ph\u1ea7n n\u00e0y ch\u1ee9a m\u00e3 \u0111\u1ed9c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u1ea7n s\u1ee5n h\u1ec7 th\u1ed1ng. N\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n b\u1ec9 v\u00ec n\u00f3 c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t l\u1ea1i rootkit ngay c\u1ea3 khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t l\u1ea1i.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea3i tr\u1ecdng v\u00f9ng ng\u01b0\u1eddi d\u00f9ng<\/strong>: Rootkit BIOS th\u01b0\u1eddng bao g\u1ed3m t\u1ea3i tr\u1ecdng v\u00f9ng ng\u01b0\u1eddi d\u00f9ng ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1eb7c quy\u1ec1n cao h\u01a1n c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p n\u00f3 th\u1ef1c hi\u1ec7n nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c h\u1ea1i kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 keylogging, l\u1ecdc d\u1eef li\u1ec7u v\u00e0 truy c\u1eadp c\u1eeda sau.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a BIOS Rootkit<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh khi\u1ebfn rootkit BIOS tr\u1edf th\u00e0nh m\u1ed1i \u0111e d\u1ecda ti\u1ec1m t\u00e0ng nh\u01b0 sau:<\/p>\n<ul>\n<li>\n<p><strong>t\u00e0ng h\u00ecnh<\/strong>: Rootkit BIOS ho\u1ea1t \u0111\u1ed9ng b\u00ean d\u01b0\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh, khi\u1ebfn ch\u00fang h\u1ea7u nh\u01b0 v\u00f4 h\u00ecnh tr\u01b0\u1edbc h\u1ea7u h\u1ebft c\u00e1c ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>Ki\u00ean tr\u00ec<\/strong>: Do v\u1ecb tr\u00ed c\u1ee7a ch\u00fang trong BIOS, ch\u00fang c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i ngay c\u1ea3 khi c\u00e0i \u0111\u1eb7t l\u1ea1i v\u00e0 d\u1ecdn d\u1eb9p h\u1ec7 th\u1ed1ng to\u00e0n di\u1ec7n nh\u1ea5t.<\/p>\n<\/li>\n<li>\n<p><strong>N\u00e2ng cao \u0111\u1eb7c quy\u1ec1n<\/strong>: Rootkit BIOS c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p \u0111\u1eb7c quy\u1ec1n \u0111\u1ec3 th\u1ef1c thi c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c quy\u1ec1n tr\u00ean h\u1ec7 th\u1ed1ng \u0111\u00edch.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1ch ly m\u1ea1ng<\/strong>: Nh\u1eefng rootkit n\u00e0y c\u00f3 th\u1ec3 c\u1eaft \u0111\u1ee9t k\u1ebft n\u1ed1i gi\u1eefa h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 BIOS, ng\u0103n c\u1ea3n vi\u1ec7c ph\u00e1t hi\u1ec7n.<\/p>\n<\/li>\n<li>\n<p><strong>Lo\u1ea1i b\u1ecf kh\u00f3 kh\u0103n<\/strong>: Vi\u1ec7c lo\u1ea1i b\u1ecf rootkit BIOS r\u1ea5t ph\u1ee9c t\u1ea1p, th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u00e0 quy\u1ec1n truy c\u1eadp \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng.<\/p>\n<\/li>\n<\/ul>\n<h2>C\u00e1c lo\u1ea1i Rootkit BIOS<\/h2>\n<p>Rootkit BIOS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh nhi\u1ec1u lo\u1ea1i d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang. B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c lo\u1ea1i ch\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nhi\u1ec5m ph\u1ea7n m\u1ec1m c\u01a1 s\u1edf<\/td>\n<td>S\u1eeda \u0111\u1ed5i firmware BIOS \u0111\u1ec3 nh\u00fang m\u00e3 \u0111\u1ed9c.<\/td>\n<\/tr>\n<tr>\n<td>D\u1ef1a tr\u00ean Hypervisor<\/td>\n<td>S\u1eed d\u1ee5ng hypervisor \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7.<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed9 kh\u1edfi \u0111\u1ed9ng<\/td>\n<td>L\u00e2y nhi\u1ec5m Master Boot Record (MBR) ho\u1eb7c Bootloader.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n c\u1ee9ng \u0111\u01b0\u1ee3c c\u1ea5y gh\u00e9p<\/td>\n<td>\u0110\u01b0\u1ee3c c\u1ea5y gh\u00e9p v\u1eadt l\u00fd tr\u00ean bo m\u1ea1ch ch\u1ee7 ho\u1eb7c thi\u1ebft b\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>\u1ee8ng d\u1ee5ng c\u1ee7a Rootkit BIOS<\/h3>\n<p>B\u1ea3n ch\u1ea5t l\u00e9n l\u00fat c\u1ee7a rootkit BIOS \u0111\u00e3 khi\u1ebfn ch\u00fang tr\u1edf n\u00ean h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi t\u1ed9i ph\u1ea1m m\u1ea1ng v\u00e0 c\u00e1c t\u00e1c nh\u00e2n qu\u1ed1c gia v\u00ec nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>gi\u00e1n \u0111i\u1ec7p dai d\u1eb3ng<\/strong>: L\u00e0m gi\u00e1n \u0111i\u1ec7p cho c\u00e1c c\u00e1 nh\u00e2n, t\u1ed5 ch\u1ee9c ho\u1eb7c ch\u00ednh ph\u1ee7 m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc d\u1eef li\u1ec7u<\/strong>: B\u00ed m\u1eadt tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00e0i s\u1ea3n tr\u00ed tu\u1ec7 ho\u1eb7c th\u00f4ng tin m\u1eadt.<\/p>\n<\/li>\n<li>\n<p><strong>Truy c\u1eadp c\u1eeda sau<\/strong>: Thi\u1ebft l\u1eadp quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1eeb xa ho\u1eb7c thao t\u00e1c h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ul>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h3>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng rootkit BIOS \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 cho c\u00e1c chuy\u00ean gia an ninh m\u1ea1ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i:<\/p>\n<ul>\n<li>\n<p><strong>Kh\u00f3 ph\u00e1t hi\u1ec7n<\/strong>: Ph\u1ea7n m\u1ec1m ch\u1ed1ng vi-r\u00fat truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c rootkit BIOS do ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p.<\/p>\n<\/li>\n<li>\n<p><strong>Lo\u1ea1i b\u1ecf ph\u1ee9c t\u1ea1p<\/strong>: Vi\u1ec7c lo\u1ea1i b\u1ecf rootkit BIOS \u0111\u00f2i h\u1ecfi c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 chuy\u00ean m\u00f4n chuy\u00ean d\u1ee5ng, v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a h\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea5n c\u00f4ng ph\u1ea7n c\u1ee9ng<\/strong>: Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng rootkit \u0111\u01b0\u1ee3c c\u1ea5y v\u00e0o ph\u1ea7n c\u1ee9ng, th\u1eadm ch\u00ed c\u00f2n kh\u00f3 ph\u00e1t hi\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf h\u01a1n.<\/p>\n<\/li>\n<\/ul>\n<p>Vi\u1ec7c gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn \u0111a h\u01b0\u1edbng, bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>Kh\u1edfi \u0111\u1ed9ng an to\u00e0n UEFI<\/strong>: T\u1eadn d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 kh\u1edfi \u0111\u1ed9ng an to\u00e0n c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ch\u1eb7n vi\u1ec7c s\u1eeda \u0111\u1ed5i ph\u1ea7n s\u1ee5n tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110o l\u01b0\u1eddng t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a Bios<\/strong>: S\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a BIOS \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c thay \u0111\u1ed5i tr\u00e1i ph\u00e9p.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng<\/strong>: \u0110\u1ea3m b\u1ea3o an ninh v\u1eadt l\u00fd \u0111\u1ec3 b\u1ea3o v\u1ec7 kh\u1ecfi rootkit \u0111\u01b0\u1ee3c c\u00e0i v\u00e0o ph\u1ea7n c\u1ee9ng.<\/p>\n<\/li>\n<\/ul>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h2>\n<p>B\u1ea3ng sau \u0111\u00e2y cung c\u1ea5p s\u1ef1 so s\u00e1nh gi\u1eefa rootkit BIOS, rootkit truy\u1ec1n th\u1ed1ng v\u00e0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i kh\u00e1c:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>B\u1ed9 c\u00f4ng c\u1ee5 g\u1ed1c BIOS<\/th>\n<th>Rootkit truy\u1ec1n th\u1ed1ng<\/th>\n<th>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i kh\u00e1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u1ecb tr\u00ed<\/td>\n<td>Ph\u1ea7n m\u1ec1m BIOS\/UEFI<\/td>\n<td>H\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/td>\n<td>H\u1ec7 \u0111i\u1ec1u h\u00e0nh<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f3 ph\u00e1t hi\u1ec7n<\/td>\n<td>C\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n<\/td>\n<td>Kh\u00f3<\/td>\n<td>Kh\u1ea3 thi<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c lo\u1ea1i b\u1ecf<\/td>\n<td>R\u1ea5t ph\u1ee9c t\u1ea1p<\/td>\n<td>T\u1ed5 h\u1ee3p<\/td>\n<td>T\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>Ki\u00ean tr\u00ec<\/td>\n<td>Cao<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n<p>Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, kh\u1ea3 n\u0103ng c\u1ee7a rootkit BIOS c\u0169ng t\u0103ng theo. Trong t\u01b0\u01a1ng lai, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i:<\/p>\n<ul>\n<li>\n<p><strong>Mi\u1ec5n d\u1ecbch ph\u1ea7n c\u1ee9ng<\/strong>: C\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt ph\u1ea7n c\u1ee9ng n\u00e2ng cao \u0111\u1ec3 ng\u0103n ch\u1eb7n rootkit \u0111\u01b0\u1ee3c c\u00e0i v\u00e0o ph\u1ea7n c\u1ee9ng.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00f2ng th\u1ee7 h\u1ecdc m\u00e1y<\/strong>: C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi AI c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c m\u1ed1i \u0111e d\u1ecda rootkit BIOS.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u1eefng ti\u1ebfn b\u1ed9 c\u1ee7a UEFI<\/strong>: Nh\u1eefng ti\u1ebfn b\u1ed9 h\u01a1n n\u1eefa trong c\u00f4ng ngh\u1ec7 UEFI \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i.<\/p>\n<\/li>\n<\/ul>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 Rootkit BIOS<\/h2>\n<p>M\u1eb7c d\u00f9 c\u00e1c m\u00e1y ch\u1ee7 proxy ch\u1ee7 y\u1ebfu \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 Internet nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 che gi\u1ea5u ngu\u1ed3n g\u1ed1c c\u1ee7a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i do rootkit BIOS t\u1ea1o ra. T\u1ed9i ph\u1ea1m m\u1ea1ng c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 \u1ea9n c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang v\u00e0 l\u1ea5y c\u1eafp d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng d\u1ec5 d\u00e0ng truy ng\u01b0\u1ee3c l\u1ea1i ngu\u1ed3n.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 rootkit BIOS v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng li\u00ean quan, vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.nist.gov\/publications\/bios-protection-guidelines\" target=\"_new\" rel=\"noopener nofollow\">Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia (NIST) - H\u01b0\u1edbng d\u1eabn B\u1ea3o v\u1ec7 BIOS<\/a><\/li>\n<li><a href=\"https:\/\/www.us-cert.gov\/ncas\/tips\/ST04-005\" target=\"_new\" rel=\"noopener nofollow\">M\u1eb9o b\u1ea3o m\u1eadt US-CERT (ST04-005) \u2013 T\u00ecm hi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng BIOS<\/a><\/li>\n<li><a href=\"https:\/\/www.blackhat.com\/\" target=\"_new\" rel=\"noopener nofollow\">M\u0169 \u0111en \u2013 H\u1ed9i ngh\u1ecb b\u1ea3o m\u1eadt<\/a><\/li>\n<\/ol>\n<p>T\u00f3m l\u1ea1i, rootkit BIOS l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi an ninh m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. B\u1ea3n ch\u1ea5t kh\u00f3 n\u1eafm b\u1eaft v\u00e0 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp s\u00e2u v\u00e0o ph\u1ea7n s\u1ee5n h\u1ec7 th\u1ed1ng khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed1i \u0111e d\u1ecda l\u00e2u d\u00e0i. B\u1eb1ng c\u00e1ch lu\u00f4n c\u1ea3nh gi\u00e1c, th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd v\u00e0 c\u1eadp nh\u1eadt th\u00f4ng tin v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i, ng\u01b0\u1eddi d\u00f9ng v\u00e0 t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 ph\u00f2ng v\u1ec7 t\u1ed1t h\u01a1n tr\u01b0\u1edbc m\u1ed1i \u0111e d\u1ecda tinh vi n\u00e0y.<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476039","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>BIOS Rootkit: An Elusive Threat to Computer Security<\/mark>","faq_items":[{"question":"What is a BIOS rootkit?","answer":"<p>A BIOS rootkit is a type of malware that resides in a computer's BIOS or UEFI firmware, operating below the operating system's level. It is notoriously difficult to detect and remove, giving attackers significant control over the compromised system.<\/p>"},{"question":"Where did BIOS rootkits originate, and when were they first mentioned?","answer":"<p>BIOS rootkits emerged in the early 2000s as cybersecurity researchers sought advanced ways to evade traditional antivirus solutions. The first documented mention of a BIOS rootkit was in 2007 when a researcher presented a proof-of-concept at the Black Hat security conference.<\/p>"},{"question":"How does a BIOS rootkit work?","answer":"<p>The BIOS rootkit consists of two main components: the BIOS\/UEFI module and the userland payload. The BIOS\/UEFI module infects the firmware, ensuring persistence even after system reinstallations. The userland payload operates in the operating system's higher privilege levels, allowing it to execute malicious activities.<\/p>"},{"question":"What are the key features of BIOS rootkits?","answer":"<p>BIOS rootkits possess several critical features that make them potent threats. These include their stealthiness, persistence, privilege escalation capabilities, network isolation, and the difficulty in removal.<\/p>"},{"question":"What are the types of BIOS rootkits?","answer":"<p>BIOS rootkits can be categorized into different types based on their capabilities. These types include firmware infection, hypervisor-based, bootkit, and hardware-implanted rootkits.<\/p>"},{"question":"What are the applications of BIOS rootkits?","answer":"<p>BIOS rootkits are often used for persistent espionage, data exfiltration, and establishing backdoor access to targeted systems. They are favored by cybercriminals and nation-state actors for covert operations.<\/p>"},{"question":"What challenges do BIOS rootkits pose, and how can they be addressed?","answer":"<p>The challenges posed by BIOS rootkits include difficulty in detection and complex removal procedures. Addressing these challenges requires implementing UEFI Secure Boot, BIOS integrity measurement, and focusing on hardware security.<\/p>"},{"question":"How do proxy servers relate to BIOS rootkits?","answer":"<p>Proxy servers can be associated with BIOS rootkits, as cybercriminals may use them to conceal the origin of malicious traffic generated by the rootkits, making their activities harder to trace.<\/p>"},{"question":"What are the future perspectives and technologies related to BIOS rootkits?","answer":"<p>In the future, we can expect advancements in hardware immunity, machine learning defenses, and UEFI technologies to enhance security and resilience against BIOS rootkits.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476039\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}