{"id":478349,"date":"2023-08-09T09:31:27","date_gmt":"2023-08-09T09:31:27","guid":{"rendered":""},"modified":"2024-08-15T12:38:15","modified_gmt":"2024-08-15T12:38:15","slug":"passive-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/passive-attack\/","title":{"rendered":"T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng"},"content":{"rendered":"<p>Th\u00f4ng tin t\u00f3m t\u1eaft v\u1ec1 T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/p>\n<p>T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 an ninh m\u1ea1ng trong \u0111\u00f3 m\u1ed9t b\u00ean tr\u00e1i ph\u00e9p c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o th\u00f4ng tin v\u00e0 gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng c\u1ed1 g\u1eafng thay \u0111\u1ed5i n\u1ed9i dung ho\u1eb7c ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ch\u1ee7 \u0111\u1ed9ng, trong \u0111\u00f3 t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng b\u1ecb thay \u0111\u1ed5i ho\u1eb7c b\u1ecb x\u00e2m ph\u1ea1m, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 nghe tr\u1ed9m th\u00f4ng tin li\u00ean l\u1ea1c. H\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng n\u00e0y th\u01b0\u1eddng kh\u00f3 ph\u00e1t hi\u1ec7n h\u01a1n v\u00ec n\u00f3 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 n\u00f3<\/h2>\n<p>Ngu\u1ed3n g\u1ed1c c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh n\u1ed1i m\u1ea1ng. V\u00e0o nh\u1eefng n\u0103m 1970, khi ARPANET v\u1eabn c\u00f2n \u1edf giai \u0111o\u1ea1n s\u01a1 khai, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u tr\u00e1i ph\u00e9p. Thu\u1eadt ng\u1eef \u201ct\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng\u201d \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn nhi\u1ec1u h\u01a1n v\u00e0o cu\u1ed1i nh\u1eefng n\u0103m 1980 v\u00e0 \u0111\u1ea7u nh\u1eefng n\u0103m 1990 khi internet ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o m\u1eadt tr\u1edf th\u00e0nh m\u1ed1i quan t\u00e2m l\u1edbn h\u01a1n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Passive Attack: M\u1edf r\u1ed9ng ch\u1ee7 \u0111\u1ec1 Passive Attack<\/h2>\n<p>T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng l\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ed m\u1eadt trong \u0111\u00f3 k\u1ebb t\u1ea5n c\u00f4ng \u00e2m th\u1ea7m quan s\u00e1t, thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch th\u00f4ng tin. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0:<\/p>\n<ol>\n<li><strong>Ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp:<\/strong> Hi\u1ec3u c\u00e1c ki\u1ec3u giao ti\u1ebfp, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea7n su\u1ea5t v\u00e0 \u0111\u00edch \u0111\u1ebfn c\u1ee7a tin nh\u1eafn.<\/li>\n<li><strong>Nghe tr\u1ed9m:<\/strong> L\u1eafng nghe th\u00f4ng tin li\u00ean l\u1ea1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c quy\u1ec1n truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0o th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/li>\n<\/ol>\n<p>Nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y kh\u00f4ng g\u00e2y t\u1ed5n h\u1ea1i tr\u1ef1c ti\u1ebfp \u0111\u1ebfn h\u1ec7 th\u1ed1ng nh\u01b0ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng do l\u00e0m l\u1ed9 th\u00f4ng tin b\u00ed m\u1eadt.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng: C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/h2>\n<p>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng th\u01b0\u1eddng bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li><strong>Gi\u00e1m s\u00e1t k\u1ebft n\u1ed1i:<\/strong> X\u00e1c \u0111\u1ecbnh m\u1ed9t k\u00eanh li\u00ean l\u1ea1c d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng trong h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Thu th\u1eadp d\u1eef li\u1ec7u:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 g\u00f3i sniffers \u0111\u1ec3 n\u1eafm b\u1eaft th\u00f4ng tin \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i.<\/li>\n<li><strong>Ph\u00e2n t\u00edch:<\/strong> Ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp \u0111\u1ec3 kh\u00e1m ph\u00e1 th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb, nh\u01b0 th\u00f4ng tin x\u00e1c th\u1ef1c \u0111\u0103ng nh\u1eadp ho\u1eb7c th\u00f4ng tin \u0111\u1ed9c quy\u1ec1n.<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/h2>\n<p>M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m x\u00e1c \u0111\u1ecbnh c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng l\u00e0:<\/p>\n<ul>\n<li><strong>Ho\u1ea1t \u0111\u1ed9ng b\u00ed m\u1eadt:<\/strong> Ch\u00fang kh\u00f4ng th\u1ec3 b\u1ecb ph\u00e1t hi\u1ec7n v\u00ec ch\u00fang kh\u00f4ng s\u1eeda \u0111\u1ed5i d\u1eef li\u1ec7u.<\/li>\n<li><strong>Thu th\u1eadp th\u00f4ng tin:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/li>\n<li><strong>Gi\u00e1m s\u00e1t d\u00e0i h\u1ea1n ti\u1ec1m n\u0103ng:<\/strong> C\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c trong m\u1ed9t th\u1eddi gian d\u00e0i m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n.<\/li>\n<li><strong>Kh\u00f3 theo d\u00f5i:<\/strong> Vi\u1ec7c truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng l\u00e0 r\u1ea5t kh\u00f3 kh\u0103n.<\/li>\n<\/ul>\n<h2>C\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng: S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft<\/h2>\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>Ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp<\/td>\n<td>Ph\u00e2n t\u00edch m\u00f4 h\u00ecnh v\u00e0 t\u1ea7n s\u1ed1 truy\u1ec1n th\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>Nghe tr\u1ed9m<\/td>\n<td>Nghe th\u00f4ng tin li\u00ean l\u1ea1c ri\u00eang t\u01b0 \u0111\u1ec3 thu th\u1eadp th\u00f4ng tin<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u00e1nh h\u01a1i<\/td>\n<td>Thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ee5c \u0111\u00edch x\u1ea5u, ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u00e1n \u0111i\u1ec7p, \u0111\u00e1nh c\u1eafp danh t\u00ednh v\u00e0 l\u1eeba \u0111\u1ea3o. M\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> Thi\u1ebfu m\u00e3 h\u00f3a<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a m\u1ea1nh m\u1ebd \u0111\u1ec3 b\u1ea3o m\u1eadt d\u1eef li\u1ec7u.<\/li>\n<li><strong>V\u1ea5n \u0111\u1ec1:<\/strong> M\u1ea1ng kh\u00f4ng b\u1ea3o m\u1eadt<br \/>\n<strong>Gi\u1ea3i ph\u00e1p:<\/strong> S\u1eed d\u1ee5ng M\u1ea1ng ri\u00eang \u1ea3o (VPN) v\u00e0 t\u01b0\u1eddng l\u1eeda.<\/li>\n<\/ul>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 nh\u1eefng so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 \u1edf d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch<\/h2>\n<table>\n<thead>\n<tr>\n<th>T\u00ednh n\u0103ng<\/th>\n<th>T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/th>\n<th>T\u1ea5n c\u00f4ng t\u00edch c\u1ef1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\u1ef1 can thi\u1ec7p<\/td>\n<td>Kh\u00f4ng s\u1eeda \u0111\u1ed5i<\/td>\n<td>Thay \u0111\u1ed5i d\u1eef li\u1ec7u h\u1ec7 th\u1ed1ng<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f3 ph\u00e1t hi\u1ec7n<\/td>\n<td>C\u1ee9ng<\/td>\n<td>D\u1ec5 d\u00e0ng h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee5c \u0111\u00edch<\/td>\n<td>Thu th\u1eadp th\u00f4ng tin<\/td>\n<td>G\u00e2y r\u1ed1i, tr\u1ed9m c\u1eafp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/h2>\n<p>C\u00e1c c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o:<\/p>\n<ul>\n<li><strong>Ph\u00e1t hi\u1ec7n d\u1ef1a tr\u00ean AI:<\/strong> S\u1eed d\u1ee5ng m\u00e1y h\u1ecdc \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c d\u1ea5u hi\u1ec7u tinh vi c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng.<\/li>\n<li><strong>M\u1eadt m\u00e3 l\u01b0\u1ee3ng t\u1eed:<\/strong> T\u1ea1o m\u00e3 h\u00f3a h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 theo ti\u00eau chu\u1ea9n hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/h2>\n<p>C\u00e1c m\u00e1y ch\u1ee7 proxy gi\u1ed1ng nh\u01b0 c\u00e1c m\u00e1y ch\u1ee7 do OneProxy cung c\u1ea5p c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng. B\u1eb1ng c\u00e1ch che gi\u1ea5u \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u00e3 h\u00f3a vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u, h\u1ecd t\u1ea1o ra m\u1ed9t l\u1edbp \u1ea9n danh v\u00e0 b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c nghe l\u00e9n v\u00e0 c\u00e1c h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng m\u1ea1ng th\u1ee5 \u0111\u1ed9ng kh\u00e1c.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/oneproxy.pro\/vn\/security\/\" target=\"_new\" rel=\"noopener\">C\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt OneProxy<\/a><\/li>\n<li><a href=\"https:\/\/www.cisa.gov\/understanding-attacks\" target=\"_new\" rel=\"noopener nofollow\">C\u01a1 quan An ninh m\u1ea1ng &amp; C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u2013 T\u00ecm hi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Passive_attack\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia \u2013 T\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng<\/a><\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt chuy\u00ean d\u1ee5ng c\u1ee7a OneProxy c\u00f3 th\u1ec3 gi\u00fap b\u1ea3o v\u1ec7 kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng th\u1ee5 \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o quy\u1ec1n ri\u00eang t\u01b0 c\u0169ng nh\u01b0 t\u00ednh to\u00e0n v\u1eb9n cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p>","protected":false},"featured_media":478350,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478349","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"","faq_items":null},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478349","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":2,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478349\/revisions"}],"predecessor-version":[{"id":505668,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478349\/revisions\/505668"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/478350"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}