{"id":476127,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:06","modified_gmt":"2023-09-05T11:12:06","slug":"brute-force-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/brute-force-attack\/","title":{"rendered":"T\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c"},"content":{"rendered":"<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c th\u1ec3 hi\u1ec7n r\u1ee7i ro c\u01a1 b\u1ea3n trong l\u0129nh v\u1ef1c an ninh m\u1ea1ng, s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u1eed v\u00e0 sai \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00f4ng tin nh\u01b0 m\u1eadt kh\u1ea9u ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c s\u1ed1 nh\u1eadn d\u1ea1ng c\u00e1 nh\u00e2n (PIN). Cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady s\u1ebd ki\u1ec3m tra m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng t\u1ea5t c\u1ea3 c\u00e1c kh\u00f3a ho\u1eb7c m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 c\u00f3 cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y kh\u00f3a ho\u1eb7c m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p ban \u0111\u1ea7u c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<p>Kh\u00e1i ni\u1ec7m t\u1ea5n c\u00f4ng v\u0169 phu c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u ti\u00ean c\u1ee7a m\u1eadt m\u00e3. V\u1ec1 m\u1eb7t l\u1ecbch s\u1eed, thu\u1eadt ng\u1eef &#039;v\u0169 l\u1ef1c&#039; \u00e1m ch\u1ec9 s\u1ee9c m\u1ea1nh th\u00f4 s\u01a1, kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e9o l\u00e9o hay tinh t\u1ebf. Nh\u01b0 v\u1eady, c\u00e1ch s\u1eed d\u1ee5ng t\u1ea5n c\u00f4ng v\u0169 phu \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 gi\u1ea3i m\u00e3 &#039;v\u0169 l\u1ef1c&#039; c\u1ee7a m\u1eadt m\u00e3.<\/p>\n<p>Trong b\u1ed1i c\u1ea3nh b\u1ea3o m\u1eadt m\u00e1y t\u00ednh, m\u1ed9t trong nh\u1eefng v\u00ed d\u1ee5 s\u1edbm nh\u1ea5t v\u1ec1 cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu l\u00e0 vi\u1ec7c b\u1ebb kh\u00f3a c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o v\u1ec7 m\u1eadt kh\u1ea9u, gi\u1ed1ng nh\u01b0 c\u01a1 ch\u1ebf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ec7p \/etc\/passwd c\u1ee7a Unix, v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1970 v\u00e0 \u0111\u1ea7u nh\u1eefng n\u0103m 1980. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 k\u1ef9 thu\u1eadt s\u1ed1, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 ph\u00e1t tri\u1ec3n v\u00e0 m\u1edf r\u1ed9ng, g\u00e2y ra nh\u1eefng m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u.<\/p>\n<h2>\u0110i s\u00e2u h\u01a1n v\u00e0o c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<p>V\u1ec1 b\u1ea3n ch\u1ea5t, t\u1ea5n c\u00f4ng v\u0169 phu l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u \u0111\u1ec3 gi\u00e0nh quy\u1ec1n truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng. K\u1ebb t\u1ea5n c\u00f4ng ki\u1ec3m tra m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng t\u1ea5t c\u1ea3 c\u00e1c t\u1ed5 h\u1ee3p m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 c\u00f3 cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c. V\u1ec1 c\u01a1 b\u1ea3n, \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, n\u1ebfu c\u00f3 \u0111\u1ee7 th\u1eddi gian v\u00e0 s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n, \u0111\u1ea3m b\u1ea3o s\u1ebd t\u00ecm ra m\u1eadt kh\u1ea9u.<\/p>\n<p>Tuy nhi\u00ean, hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3m d\u1ea7n theo \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1eadt kh\u1ea9u. M\u1eadt kh\u1ea9u d\u00e0i v\u00e0 ph\u1ee9c t\u1ea1p c\u00f3 ngh\u0129a l\u00e0 k\u1ebb t\u1ea5n c\u00f4ng ph\u1ea3i ki\u1ec3m tra nhi\u1ec1u k\u1ebft h\u1ee3p h\u01a1n, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi nhi\u1ec1u s\u1ee9c m\u1ea1nh v\u00e0 th\u1eddi gian t\u00ednh to\u00e1n h\u01a1n. Do \u0111\u00f3, \u0111\u1ed9 m\u1ea1nh c\u1ee7a m\u1eadt kh\u1ea9u ho\u1eb7c kh\u00f3a m\u00e3 h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng m\u1ee9c \u0111\u1ed9 ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu.<\/p>\n<h2>C\u01a1 ch\u1ebf c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu<\/h2>\n<p>Trong m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu, k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh ho\u1eb7c t\u1eadp l\u1ec7nh \u0111\u1ec3 c\u1ed1 g\u1eafng \u0111\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n b\u1eb1ng c\u00e1ch duy\u1ec7t qua c\u00e1c k\u1ebft h\u1ee3p th\u00f4ng tin x\u00e1c th\u1ef1c kh\u00e1c nhau cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y k\u1ebft qu\u1ea3 kh\u1edbp. Vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tu\u1ea7n t\u1ef1, ki\u1ec3m tra m\u1ecdi k\u1ebft h\u1ee3p c\u00f3 th\u1ec3 theo th\u1ee9 t\u1ef1 ho\u1eb7c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng &#039;b\u1ea3ng c\u1ea7u v\u1ed3ng&#039; \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc.<\/p>\n<p>C\u00f3 hai lo\u1ea1i t\u1ea5n c\u00f4ng v\u0169 phu ch\u00ednh:<\/p>\n<ol>\n<li>\n<p><strong>T\u1ea5n c\u00f4ng Brute Force \u0111\u01a1n gi\u1ea3n<\/strong>: Trong lo\u1ea1i n\u00e0y, k\u1ebb t\u1ea5n c\u00f4ng th\u1eed m\u1ecdi kh\u00f3a ho\u1eb7c m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y \u0111\u00fang. Vi\u1ec7c n\u00e0y t\u1ed1n k\u00e9m v\u1ec1 m\u1eb7t t\u00ednh to\u00e1n v\u00e0 t\u1ed1n th\u1eddi gian nh\u01b0ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng n\u1ebfu c\u00f3 \u0111\u1ee7 th\u1eddi gian.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea5n c\u00f4ng t\u1eeb \u0111i\u1ec3n<\/strong>: \u0110\u00e2y l\u00e0 phi\u00ean b\u1ea3n tinh vi h\u01a1n c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng t\u1eeb \u0111i\u1ec3n c\u00e1c m\u1eadt kh\u1ea9u ho\u1eb7c c\u1ee5m t\u1eeb ph\u1ed5 bi\u1ebfn \u0111\u1ec3 c\u1ed1 g\u1eafng t\u00ecm \u0111\u00fang m\u1eadt kh\u1ea9u. Vi\u1ec7c n\u00e0y nhanh h\u01a1n m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng th\u00e0nh c\u00f4ng n\u1ebfu m\u1eadt kh\u1ea9u kh\u00f4ng c\u00f3 trong t\u1eeb \u0111i\u1ec3n c\u1ee7a k\u1ebb t\u1ea5n c\u00f4ng.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<ol>\n<li>\n<p><strong>\u0110\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng<\/strong>: V\u1edbi th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean t\u00ednh to\u00e1n kh\u00f4ng gi\u1edbi h\u1ea1n, m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu ch\u1eafc ch\u1eafn s\u1ebd t\u00ecm ra m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>S\u1eed d\u1ee5ng nhi\u1ec1u t\u00e0i nguy\u00ean<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c \u0111\u00f2i h\u1ecfi s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n v\u00e0 th\u1eddi gian \u0111\u00e1ng k\u1ec3.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1eadt kh\u1ea9u<\/strong>: Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1eadt kh\u1ea9u. M\u1eadt kh\u1ea9u c\u00e0ng ph\u1ee9c t\u1ea1p v\u00e0 d\u00e0i th\u00ec c\u00e0ng kh\u00f3 b\u1ebb kh\u00f3a.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u t\u1ea5n c\u00f4ng<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1ef1c l\u01b0\u1ee3ng v\u0169 phu \u0111\u01a1n gi\u1ea3n<\/td>\n<td>Th\u1eed t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft h\u1ee3p m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 c\u00f3 cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng t\u1eeb \u0111i\u1ec3n<\/td>\n<td>S\u1eed d\u1ee5ng t\u1eeb \u0111i\u1ec3n c\u00e1c m\u1eadt kh\u1ea9u ho\u1eb7c c\u1ee5m t\u1eeb ph\u1ed5 bi\u1ebfn \u0111\u1ec3 c\u1ed1 g\u1eafng b\u1ebb kh\u00f3a m\u1eadt kh\u1ea9u.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng b\u00e0n c\u1ea7u v\u1ed3ng<\/td>\n<td>S\u1eed d\u1ee5ng b\u1ea3ng b\u0103m \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc (b\u1ea3ng c\u1ea7u v\u1ed3ng) \u0111\u1ec3 t\u00ecm m\u1eadt kh\u1ea9u.<\/td>\n<\/tr>\n<tr>\n<td>Cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu lai<\/td>\n<td>K\u1ebft h\u1ee3p t\u1ea5n c\u00f4ng t\u1eeb \u0111i\u1ec3n v\u1edbi m\u1ed9t s\u1ed1 s\u1ed1 ho\u1eb7c k\u00fd hi\u1ec7u b\u1ed5 sung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1eadt kh\u1ea9u.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng v\u0169 phu ng\u01b0\u1ee3c<\/td>\n<td>S\u1eed d\u1ee5ng m\u1ed9t m\u1eadt kh\u1ea9u chung (nh\u01b0 &#039;123456&#039;) cho nhi\u1ec1u t\u00ean ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force, c\u00e1c th\u00e1ch th\u1ee9c li\u00ean quan v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng b\u1ea1o l\u1ef1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, nh\u01b0 b\u1ebb kh\u00f3a m\u1eadt kh\u1ea9u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, ph\u00e1 m\u00e3 h\u00f3a, kh\u00e1m ph\u00e1 c\u00e1c trang web \u1ea9n ho\u1eb7c t\u00ecm ph\u1ea3n h\u1ed3i CAPTCHA ch\u00ednh x\u00e1c.<\/p>\n<p>Tuy nhi\u00ean, nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y \u0111i k\u00e8m v\u1edbi m\u1ed9t lo\u1ea1t th\u00e1ch th\u1ee9c, ch\u1eb3ng h\u1ea1n nh\u01b0 nhu c\u1ea7u v\u1ec1 t\u00e0i nguy\u00ean t\u00ednh to\u00e1n \u0111\u00e1ng k\u1ec3, y\u00eau c\u1ea7u v\u1ec1 th\u1eddi gian k\u00e9o d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng b\u1ecb h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt ph\u00e1t hi\u1ec7n.<\/p>\n<p>\u0110\u1ec3 v\u01b0\u1ee3t qua nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng botnet \u0111\u1ec3 ph\u00e2n ph\u1ed1i t\u1ea3i t\u00ednh to\u00e1n, th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh th\u1eddi gian \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u00e1t hi\u1ec7n ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tinh vi kh\u00e1c.<\/p>\n<p>C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu bao g\u1ed3m tri\u1ec3n khai ch\u00ednh s\u00e1ch kh\u00f3a t\u00e0i kho\u1ea3n, s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u ph\u1ee9c t\u1ea1p v\u00e0 d\u00e0i, tri\u1ec3n khai CAPTCHA, ch\u1eb7n IP sau m\u1ed9t s\u1ed1 l\u1ea7n th\u1eed kh\u00f4ng th\u00e0nh c\u00f4ng nh\u1ea5t \u0111\u1ecbnh v\u00e0 x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1.<\/p>\n<h2>So s\u00e1nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force v\u1edbi c\u00e1c m\u1ed1i \u0111e d\u1ecda m\u1ea1ng kh\u00e1c<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0110e d\u1ecda m\u1ea1ng<\/th>\n<th>S\u1ef1 mi\u00eau t\u1ea3<\/th>\n<th>\u0110i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/th>\n<th>S\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1eeba \u0111\u1ea3o<\/td>\n<td>T\u1ea5n c\u00f4ng m\u1ea1ng s\u1eed d\u1ee5ng email ng\u1ee5y trang l\u00e0m v\u0169 kh\u00ed.<\/td>\n<td>C\u1ea3 hai \u0111\u1ec1u nh\u1eb1m m\u1ee5c \u0111\u00edch \u0111\u1ea1t \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o d\u1eef li\u1ec7u.<\/td>\n<td>T\u1ea5n c\u00f4ng Brute Force kh\u00f4ng d\u1ef1a v\u00e0o vi\u1ec7c \u0111\u00e1nh l\u1eeba ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i<\/td>\n<td>B\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 ch\u1ee7 \u00fd nh\u1eb1m g\u00e2y thi\u1ec7t h\u1ea1i.<\/td>\n<td>C\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m d\u1eef li\u1ec7u.<\/td>\n<td>Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i d\u1ef1a v\u00e0o c\u00e1c l\u1ed7 h\u1ed5ng ph\u1ea7n m\u1ec1m ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u1ed7 h\u1ed5ng m\u1eadt kh\u1ea9u ho\u1eb7c kh\u00f3a.<\/td>\n<\/tr>\n<tr>\n<td>Ng\u01b0\u1eddi \u0111\u00e0n \u00f4ng gi\u1eefa cu\u1ed9c chi\u1ebfn<\/td>\n<td>T\u1ea5n c\u00f4ng khi k\u1ebb t\u1ea5n c\u00f4ng b\u00ed m\u1eadt chuy\u1ec3n ti\u1ebfp v\u00e0 c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i th\u00f4ng tin li\u00ean l\u1ea1c gi\u1eefa hai b\u00ean.<\/td>\n<td>C\u1ea3 hai \u0111\u1ec1u nh\u1eb1m m\u1ee5c \u0111\u00edch truy c\u1eadp th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/td>\n<td>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu kh\u00f4ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c ch\u1eb7n li\u00ean l\u1ea1c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<p>Nh\u1eefng ti\u1ebfn b\u1ed9 trong c\u00f4ng ngh\u1ec7 c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu tr\u1edf n\u00ean m\u1ea1nh m\u1ebd h\u01a1n v\u00e0 kh\u00f3 ch\u1ed1ng tr\u1ea3 h\u01a1n. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a truy\u1ec1n th\u1ed1ng c\u00f3 th\u1ec3 tr\u1edf n\u00ean d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng h\u01a1n. Do \u0111\u00f3, l\u0129nh v\u1ef1c an ninh m\u1ea1ng s\u1ebd c\u1ea7n ph\u1ea3i theo k\u1ecbp nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y, \u00e1p d\u1ee5ng m\u00e3 h\u00f3a l\u01b0\u1ee3ng t\u1eed v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ph\u00f9 h\u1ee3p v\u1edbi t\u01b0\u01a1ng lai kh\u00e1c \u0111\u1ec3 ch\u1ed1ng l\u1ea1i m\u1ed1i \u0111e d\u1ecda ng\u00e0y c\u00e0ng t\u0103ng.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Brute Force<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 v\u1eeba l\u00e0 c\u00f4ng c\u1ee5 v\u1eeba l\u00e0 m\u1ee5c ti\u00eau trong b\u1ed1i c\u1ea3nh c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu. Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 che gi\u1ea5u danh t\u00ednh c\u1ee7a h\u1ecd trong m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng. M\u1eb7t kh\u00e1c, b\u1ea3n th\u00e2n c\u00e1c m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu, khi nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u1ed1 g\u1eafng gi\u00e0nh quy\u1ec1n ki\u1ec3m so\u00e1t m\u00e1y ch\u1ee7 proxy \u0111\u1ec3 ch\u1eb7n ho\u1eb7c thao t\u00fang l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111i qua n\u00f3.<\/p>\n<p>L\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 proxy, OneProxy th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p nghi\u00eam ng\u1eb7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt cho m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh. N\u00f3 th\u1ef1c hi\u1ec7n c\u00e1c c\u01a1 ch\u1ebf m\u1ea1nh m\u1ebd nh\u01b0 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9, ch\u1eb7n IP v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp n\u00e2ng cao \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.nist.gov\/publications\/guide-intrusion-detection-and-prevention-systems-idps\" target=\"_new\" rel=\"noopener nofollow\">Vi\u1ec7n Ti\u00eau chu\u1ea9n v\u00e0 C\u00f4ng ngh\u1ec7 Qu\u1ed1c gia \u2013 H\u01b0\u1edbng d\u1eabn v\u1ec1 H\u1ec7 th\u1ed1ng Ph\u00e1t hi\u1ec7n v\u00e0 Ng\u0103n ch\u1eb7n X\u00e2m nh\u1eadp<\/a><\/li>\n<li><a href=\"https:\/\/owasp.org\/www-community\/attacks\/Brute_force_attack\" target=\"_new\" rel=\"noopener nofollow\">D\u1ef1 \u00e1n b\u1ea3o m\u1eadt \u1ee9ng d\u1ee5ng web m\u1edf \u2013 Brute Force Attack<\/a><\/li>\n<li><a href=\"https:\/\/attack.mitre.org\/techniques\/T1110\/\" target=\"_new\" rel=\"noopener nofollow\">MITER ATT&amp;CK \u2013 L\u1ef1c l\u01b0\u1ee3ng v\u0169 phu<\/a><\/li>\n<li><a href=\"https:\/\/resources.sei.cmu.edu\/library\/asset-view.cfm?assetid=511955\" target=\"_new\" rel=\"noopener nofollow\">Trung t\u00e2m \u0111i\u1ec1u ph\u1ed1i CERT - Gi\u1ea3i quy\u1ebft c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng v\u0169 phu<\/a><\/li>\n<\/ul>","protected":false},"featured_media":467800,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476127","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Brute Force Attack: A Comprehensive Study<\/mark>","faq_items":[{"question":"What is a brute force attack?","answer":"<p>A brute force attack is a method employed by hackers, where they systematically try all possible combinations of passwords or keys to gain unauthorized access to a system or account.<\/p>"},{"question":"What is the history of brute force attacks?","answer":"<p>The concept of brute force attacks originates from the earliest days of cryptography, where raw power was used to decrypt a cipher. In the context of computer security, one of the earliest examples of a brute force attack was cracking password protection mechanisms in the late 1970s and early 1980s.<\/p>"},{"question":"How does a brute force attack work?","answer":"<p>In a brute force attack, an attacker uses a computer program or script to try to log in to an account by cycling through different combinations of credentials until a match is found. This is done either sequentially, checking every possible combination in order, or by using a pre-computed 'rainbow table' of hashes.<\/p>"},{"question":"What are the key features of brute force attacks?","answer":"<p>Key features of brute force attacks include guaranteed success (given unlimited time and computational resources), being highly resource-intensive, and their effectiveness being limited by password complexity.<\/p>"},{"question":"What are the different types of brute force attacks?","answer":"<p>Types of brute force attacks include simple brute force, dictionary attack, rainbow table attack, hybrid brute force attack, and reverse brute force attack.<\/p>"},{"question":"How can brute force attacks be used, and what are the associated problems and solutions?","answer":"<p>Brute force attacks can be used to crack a user's password, break encryption, discover hidden web pages, or find the correct CAPTCHA response. The challenges include the need for significant computational resources, a lengthy time requirement, and the potential for detection by security systems. Preventive measures include account lockout policies, using complex and lengthy passwords, CAPTCHA implementations, IP blocking after a certain number of failed attempts, and two-factor authentication.<\/p>"},{"question":"How do brute force attacks compare to other cyber threats?","answer":"<p>Brute force attacks, like phishing and malware, aim to gain unauthorized access to data. However, unlike phishing, brute force does not rely on deceiving users, and unlike malware, brute force attacks rely on password or key vulnerabilities, not software vulnerabilities.<\/p>"},{"question":"What future technologies are associated with brute force attacks?","answer":"<p>Advancements in technology, particularly quantum computing, may make brute force attacks more potent. Therefore, the field of cybersecurity will need to adopt future-proof security measures such as quantum encryption to counteract the increasing threat.<\/p>"},{"question":"How are proxy servers associated with brute force attacks?","answer":"<p>Proxy servers can be both a tool and a target in the context of brute force attacks. Attackers may use proxy servers to conceal their identity during an attack, while proxy servers themselves can be targeted by attackers attempting to gain control over them to intercept or manipulate the traffic going through it.<\/p>"},{"question":"What are some resources for learning more about brute force attacks?","answer":"<p>Some resources include the National Institute of Standards and Technology's guide to Intrusion Detection and Prevention Systems, the Open Web Application Security Project's section on Brute Force Attack, MITRE ATT&amp;CK's article on Brute Force, and CERT Coordination Center's resource on addressing Brute Force Attacks.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476127","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\/476127\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/467800"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476127"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}