{"id":475815,"date":"2023-08-09T07:23:51","date_gmt":"2023-08-09T07:23:51","guid":{"rendered":""},"modified":"2023-09-05T11:11:17","modified_gmt":"2023-09-05T11:11:17","slug":"advanced-evasion-technique","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/advanced-evasion-technique\/","title":{"rendered":"K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao"},"content":{"rendered":"<p>K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao (AET) l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng m\u1ea1ng s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0o c\u00e1c m\u1ea1ng m\u1ee5c ti\u00eau m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n. H\u1ecd k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p tr\u1ed1n tr\u00e1nh \u0111\u00e3 bi\u1ebft \u0111\u1ec3 t\u1ea1o ra m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c h\u1ec7 th\u1ed1ng an ninh m\u1ea1ng. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o b\u1ed1i c\u1ea3nh l\u1ecbch s\u1eed, k\u1ef9 thu\u1eadt v\u00e0 quan \u0111i\u1ec3m t\u01b0\u01a1ng lai c\u1ee7a K\u1ef9 thu\u1eadt L\u1ea9n tr\u00e1nh N\u00e2ng cao.<\/p>\n<h2>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh ti\u00ean ti\u1ebfn<\/h2>\n<p>K\u1ef9 thu\u1eadt L\u1ea9n tr\u00e1nh N\u00e2ng cao xu\u1ea5t hi\u1ec7n t\u1eeb s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p L\u1ea9n tr\u00e1nh, b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c ph\u00e2n m\u1ea3nh g\u00f3i \u0111\u01a1n gi\u1ea3n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1990. Nh\u1eefng \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 AET, nh\u01b0 ch\u00fang ta bi\u1ebft ng\u00e0y nay, x\u1ea3y ra v\u00e0o kho\u1ea3ng n\u0103m 2010 khi Stonesoft, m\u1ed9t c\u00f4ng ty an ninh m\u1ea1ng, ph\u00e1t hi\u1ec7n ra ch\u00fang.<\/p>\n<p>Stonesoft x\u00e1c \u0111\u1ecbnh r\u1eb1ng b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt tr\u1ed1n tr\u00e1nh kh\u00e1c nhau, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng m\u1ea1ng c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tr\u1ed1n tr\u00e1nh m\u1edbi m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Nh\u1eefng k\u1ef9 thu\u1eadt m\u1edbi n\u00e0y khi\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp (IDS) v\u00e0 h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n x\u00e2m nh\u1eadp (IPS) g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u00e0 ng\u0103n ch\u1eb7n.<\/p>\n<h2>K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao: Ph\u00e2n t\u00edch chuy\u00ean s\u00e2u<\/h2>\n<p>AET s\u1eed d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c tr\u1ed1n tr\u00e1nh \u0111a c\u1ea5p, t\u1eadn d\u1ee5ng nhi\u1ec1u chi\u1ebfn thu\u1eadt kh\u00e1c nhau c\u00f9ng m\u1ed9t l\u00fac. Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y thao t\u00fang c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng, khi\u1ebfn IDS v\u00e0 IPS kh\u00f4ng th\u1ec3 nh\u1eadn ra n\u00f3.<\/p>\n<p>AET c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt tr\u1ed1n tr\u00e1nh truy\u1ec1n th\u1ed1ng, thay \u0111\u1ed5i s\u1ef1 ph\u00e2n m\u1ea3nh g\u00f3i, lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea5n c\u00f4ng kh\u00e1c \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n. Ki\u1ec3u t\u1ea5n c\u00f4ng k\u1ebft qu\u1ea3 th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c IDS v\u00e0 IPS nh\u1eadn ra, cho ph\u00e9p cu\u1ed9c t\u1ea5n c\u00f4ng ti\u1ebfn tri\u1ec3n m\u00e0 kh\u00f4ng \u0111\u01b0a ra c\u1ea3nh b\u00e1o.<\/p>\n<p>AET c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 cu\u1ed9c t\u1ea5n c\u00f4ng ho\u1eb7c khai th\u00e1c n\u00e0o t\u1edbi m\u1ee5c ti\u00eau v\u00e0 th\u00e0nh c\u00f4ng c\u1ee7a ch\u00fang th\u01b0\u1eddng kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng c\u1ee7a m\u1ea1ng m\u1ee5c ti\u00eau. Do \u0111\u00f3, ch\u00fang g\u00e2y ra nh\u1eefng m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 ngay c\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng \u0111\u01b0\u1ee3c trang b\u1ecb t\u1ed1t v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd.<\/p>\n<h2>Ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao<\/h2>\n<p>V\u1ec1 c\u1ed1t l\u00f5i, K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao l\u00e0 m\u1ed9t d\u1ea1ng t\u1ea5n c\u00f4ng l\u00e9n l\u00fat thao t\u00fang c\u00e1c giao th\u1ee9c m\u1ea1ng. K\u1ef9 thu\u1eadt n\u00e0y s\u1eed d\u1ee5ng c\u00e1c thao t\u00e1c n\u00e0y \u0111\u1ec3 tr\u00e1nh b\u1ecb c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o m\u1eadt ph\u00e1t hi\u1ec7n, duy tr\u00ec t\u00ednh b\u1ea3o m\u1eadt c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0 k\u1ebb t\u1ea5n c\u00f4ng.<\/p>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a AET thay \u0111\u1ed5i d\u1ef1a tr\u00ean s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ed9t AET \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ol>\n<li>Thay \u0111\u1ed5i th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c g\u00f3i.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c k\u00edch c\u1ee1 g\u00f3i kh\u00e1c nhau.<\/li>\n<li>Thao t\u00e1c c\u00e0i \u0111\u1eb7t phi\u00ean TCP.<\/li>\n<li>S\u1eed d\u1ee5ng m\u00e3 h\u00f3a ho\u1eb7c m\u00e3 h\u00f3a \u0111\u1ec3 che gi\u1ea5u cu\u1ed9c t\u1ea5n c\u00f4ng.<\/li>\n<\/ol>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao<\/h2>\n<ol>\n<li>\n<p><strong>T\u00e0ng h\u00ecnh:<\/strong> AET \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u01b0\u1ee3t qua h\u1ec7 th\u1ed1ng an ninh m\u00e0 kh\u00f4ng b\u1ecb ph\u00e1t hi\u1ec7n.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh linh ho\u1ea1t:<\/strong> AET c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi b\u1ea5t k\u1ef3 giao th\u1ee9c n\u00e0o, b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c v\u00e0 b\u1ea5t k\u1ef3 cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0o.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00ednh m\u1edbi:<\/strong> S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh t\u1ea1o ra c\u00e1c ki\u1ec3u t\u1ea5n c\u00f4ng m\u1edbi, ch\u01b0a \u0111\u01b0\u1ee3c nh\u1eadn d\u1ea1ng.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng:<\/strong> AET c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn thu\u1eadt c\u1ee7a m\u00ecnh d\u1ef1a tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng b\u1ea3o m\u1eadt c\u1ee7a m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao<\/h2>\n<p>AET ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t b\u1edfi c\u00e1c k\u1ef9 thu\u1eadt tr\u1ed1n tr\u00e1nh m\u00e0 ch\u00fang s\u1eed d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>Lo\u1ea1i AET<\/strong><\/th>\n<th><strong>K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Lo\u1ea1i 1<\/td>\n<td>Ph\u00e2n m\u1ea3nh g\u00f3i, thao t\u00e1c phi\u00ean TCP<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i 2<\/td>\n<td>Gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng d\u1eef li\u1ec7u, m\u00e3 h\u00f3a<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i 3<\/td>\n<td>Ph\u00e2n m\u1ea3nh g\u00f3i, m\u00e3 h\u00f3a, m\u00e3 h\u00f3a<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i 4<\/td>\n<td>Thao t\u00e1c phi\u00ean TCP, gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>AET ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng \u0111\u1ec3 x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng m\u1ee5c ti\u00eau, th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c v\u00e0 \u0111\u00e1nh c\u1eafp th\u00f4ng tin nh\u1ea1y c\u1ea3m. Tuy nhi\u00ean, ch\u00fang \u0111\u1eb7t ra th\u00e1ch th\u1ee9c \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi an ninh m\u1ea1ng do t\u00ednh ch\u1ea5t l\u00e9n l\u00fat v\u00e0 kh\u1ea3 n\u0103ng v\u01b0\u1ee3t qua c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng b\u1ea3o m\u1eadt.<\/p>\n<p>Gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t ch\u1ed1ng l\u1ea1i AET l\u00e0 ph\u01b0\u01a1ng ph\u00e1p an ninh m\u1ea1ng m\u1ea1nh m\u1ebd bao g\u1ed3m:<\/p>\n<ol>\n<li>Th\u01b0\u1eddng xuy\u00ean v\u00e1 l\u1ed7i v\u00e0 c\u1eadp nh\u1eadt h\u1ec7 th\u1ed1ng b\u1ea3o m\u1eadt.<\/li>\n<li>Tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng T\u01b0\u1eddng l\u1eeda th\u1ebf h\u1ec7 ti\u1ebfp theo (NGFW) v\u00e0 B\u1ea3o v\u1ec7 m\u1ed1i \u0111e d\u1ecda n\u00e2ng cao (ATP).<\/li>\n<li>Ph\u00e2n t\u00edch h\u00e0nh vi m\u1ea1ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c m\u1eabu l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1ea5t th\u01b0\u1eddng.<\/li>\n<li>Ki\u1ec3m tra th\u00e2m nh\u1eadp th\u01b0\u1eddng xuy\u00ean v\u00e0 \u0111\u00e1nh gi\u00e1 l\u1ed7 h\u1ed5ng.<\/li>\n<\/ol>\n<h2>So s\u00e1nh v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m<\/h2>\n<p>So s\u00e1nh AET v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh ti\u00eau chu\u1ea9n cho th\u1ea5y kh\u1ea3 n\u0103ng g\u00e2y s\u00e1t th\u01b0\u01a1ng t\u0103ng cao c\u1ee7a ch\u00fang:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>T\u00ednh n\u0103ng<\/strong><\/th>\n<th><strong>K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh ti\u00eau chu\u1ea9n<\/strong><\/th>\n<th><strong>K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>t\u00e0ng h\u00ecnh<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh linh ho\u1ea1t<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>m\u1edbi l\u1ea1<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai v\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i<\/h2>\n<p>S\u1ef1 tinh vi ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a AET l\u00e0m n\u1ed5i b\u1eadt s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a c\u00e1c bi\u1ec7n ph\u00e1p an ninh m\u1ea1ng ti\u00ean ti\u1ebfn. C\u00e1c c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 t\u1eadp trung v\u00e0o ph\u00e2n t\u00edch d\u1ef1 \u0111o\u00e1n, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o v\u00e0 h\u1ecdc m\u00e1y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 ng\u0103n ch\u1eb7n AET m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng. Ph\u00e2n t\u00edch h\u00e0nh vi, d\u1eef li\u1ec7u l\u1edbn v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y c\u0169ng \u0111\u01b0\u1ee3c cho l\u00e0 s\u1ebd \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ch\u1ed1ng l\u1ea1i AET.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 k\u1ef9 thu\u1eadt tr\u1ed1n tr\u00e1nh n\u00e2ng cao<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 v\u00f4 t\u00ecnh h\u1ed7 tr\u1ee3 AET n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt th\u00edch h\u1ee3p. M\u1ed9t m\u00e1y ch\u1ee7 proxy b\u1ecb x\u00e2m nh\u1eadp c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn cho AET, cho ph\u00e9p ch\u00fang x\u00e2m nh\u1eadp v\u00e0o m\u1ea1ng. Tuy nhi\u00ean, m\u00e1y ch\u1ee7 proxy \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ed1t c\u0169ng c\u00f3 th\u1ec3 gi\u00fap ch\u1ed1ng l\u1ea1i AET b\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1eabu b\u1ea5t th\u01b0\u1eddng.<\/p>\n<p>T\u1ea1i OneProxy, ch\u00fang t\u00f4i \u01b0u ti\u00ean c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt m\u1ea1nh m\u1ebd \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e1y ch\u1ee7 proxy c\u1ee7a m\u00ecnh tr\u01b0\u1edbc AET v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda t\u01b0\u01a1ng t\u1ef1. C\u00e1c gi\u1ea3i ph\u00e1p qu\u1ea3n l\u00fd proxy n\u00e2ng cao c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean, gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp to\u00e0n di\u1ec7n v\u00e0 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean AET.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao, h\u00e3y xem x\u00e9t truy c\u1eadp c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li><a href=\"https:\/\/www.stonesoft.com\" target=\"_new\" rel=\"noopener nofollow\">K\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao d\u00e0nh cho ng\u01b0\u1eddi gi\u1ea3 \u2013 Stonesoft<\/a><\/li>\n<li><a href=\"https:\/\/www.cybersecuritymagazine.com\" target=\"_new\" rel=\"noopener nofollow\">S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a tr\u1ed1n tr\u00e1nh \u2013 T\u1ea1p ch\u00ed An ninh m\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/www.infosecinstitute.com\" target=\"_new\" rel=\"noopener nofollow\">Ch\u1ed1ng l\u1ea1i c\u00e1c k\u1ef9 thu\u1eadt n\u00e9 tr\u00e1nh n\u00e2ng cao \u2013 Infosec Institute<\/a><\/li>\n<\/ol>","protected":false},"featured_media":475544,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475815","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Advanced Evasion Techniques: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What are Advanced Evasion Techniques (AETs)?","answer":"<p>Advanced Evasion Techniques (AETs) are sophisticated methods that cyber attackers use to infiltrate targeted networks undetected. They combine several known evasion methods to create a new technique that can bypass network security systems.<\/p>"},{"question":"What is the history of Advanced Evasion Techniques?","answer":"<p>Advanced Evasion Techniques emerged from the evolution of evasion methods that began with simple packet fragmentation in the early 1990s. The term was coined around 2010 by Stonesoft, a cybersecurity company that discovered the potential of combining different evasion techniques to create new evasion methods that are difficult to detect and prevent.<\/p>"},{"question":"How do Advanced Evasion Techniques work?","answer":"<p>Advanced Evasion Techniques employ a multi-level evasion strategy that uses various tactics simultaneously. They manipulate the characteristics of an attack in such a way that makes it unrecognizable to intrusion detection systems (IDS) and intrusion prevention systems (IPS).<\/p>"},{"question":"What are the key features of Advanced Evasion Techniques?","answer":"<p>Key features of Advanced Evasion Techniques include stealth, versatility, novelty, and adaptability. They are designed to bypass security systems undetected, can be employed with any protocol, any exploit, and any attack, can create new unrecognized attack patterns, and can adjust their tactics based on the target's security infrastructure.<\/p>"},{"question":"What types of Advanced Evasion Techniques exist?","answer":"<p>Advanced Evasion Techniques are primarily differentiated by the evasion techniques they employ. For example, some AETs might use a combination of packet fragmentation and TCP session manipulation, while others might use data flow disruption and encryption.<\/p>"},{"question":"What are the ways to use Advanced Evasion Techniques and what problems and solutions are related to their use?","answer":"<p>Advanced Evasion Techniques are used in cyberattacks to infiltrate target networks, deliver exploits, and steal sensitive information. The main challenge they pose to cybersecurity is their ability to bypass security infrastructures. Solutions against AETs include regular patching and updates of security systems, deployment of Next-Generation Firewalls and Advanced Threat Protection systems, network behavior analysis, and frequent penetration testing and vulnerability assessments.<\/p>"},{"question":"What are the future perspectives and emerging technologies related to Advanced Evasion Techniques?","answer":"<p>The future of cybersecurity is likely to focus on predictive analytics, artificial intelligence, and machine learning to proactively identify and prevent Advanced Evasion Techniques. Behavioral analysis, big data, and cloud-based security services are also expected to play a significant role in combating AETs.<\/p>"},{"question":"How are proxy servers associated with Advanced Evasion Techniques?","answer":"<p>Proxy servers can inadvertently aid Advanced Evasion Techniques if not appropriately secured. However, when well-managed, they can help combat AETs by monitoring traffic and identifying unusual patterns. Proxy server providers, like OneProxy, prioritize robust security measures to safeguard against AETs and similar threats.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475815","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\/475815\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/475544"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=475815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}