{"id":476994,"date":"2023-08-09T09:06:01","date_gmt":"2023-08-09T09:06:01","guid":{"rendered":""},"modified":"2023-09-05T11:13:48","modified_gmt":"2023-09-05T11:13:48","slug":"drdos-attack","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/drdos-attack\/","title":{"rendered":"cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p>Trong b\u1ed1i c\u1ea3nh c\u00e1c m\u1ed1i \u0111e d\u1ecda an ninh m\u1ea1ng ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u00e2n t\u00e1n (DDoS) \u0111\u00e3 tr\u1edf n\u00ean n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng ph\u00e1 v\u1ee1 c\u00e1c d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn b\u1eb1ng c\u00e1ch \u00e1p \u0111\u1ea3o c\u00e1c h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau v\u1edbi v\u00f4 s\u1ed1 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i. M\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS (T\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 ph\u1ea3n \u00e1nh ph\u00e2n t\u00e1n), \u0111\u00e3 tr\u1edf n\u00ean n\u1ed5i b\u1eadt trong th\u1eddi gian g\u1ea7n \u0111\u00e2y do kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS th\u00f4ng th\u01b0\u1eddng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i \u0111i s\u00e2u v\u00e0o l\u1ecbch s\u1eed, ho\u1ea1t \u0111\u1ed9ng b\u00ean trong, c\u00e1c lo\u1ea1i v\u00e0 nh\u1eefng ph\u00e1t tri\u1ec3n ti\u1ec1m \u1ea9n trong t\u01b0\u01a1ng lai c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS. Ngo\u00e0i ra, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 vai tr\u00f2 c\u1ee7a m\u00e1y ch\u1ee7 proxy trong vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nh\u01b0 v\u1eady v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m tr\u1ef1c tuy\u1ebfn an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h2>L\u1ecbch s\u1eed t\u1ea5n c\u00f4ng DrDoS<\/h2>\n<p>Ngu\u1ed3n g\u1ed1c c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb kho\u1ea3ng n\u0103m 2013. Ph\u01b0\u01a1ng th\u1ee9c t\u1ea5n c\u00f4ng n\u00e0y t\u1eadn d\u1ee5ng \u0111i\u1ec3m y\u1ebfu trong c\u00e1c giao th\u1ee9c internet kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng khu\u1ebfch \u0111\u1ea1i, t\u1eeb \u0111\u00f3 ph\u00f3ng \u0111\u1ea1i \u0111\u00e1ng k\u1ec3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u01b0\u1edbng t\u1edbi m\u1ee5c ti\u00eau. L\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f4ng ch\u00fang \u0111\u1ec1 c\u1eadp \u0111\u1ebfn DrDoS xu\u1ea5t hi\u1ec7n trong m\u1ed9t b\u00e0i \u0111\u0103ng tr\u00ean blog c\u1ee7a Nh\u00f3m \u1ee8ng ph\u00f3 &amp; K\u1ef9 thu\u1eadt B\u1ea3o m\u1eadt Arbor v\u00e0o th\u00e1ng 1 n\u0103m 2014. B\u00e0i \u0111\u0103ng n\u00e0y nh\u1ea5n m\u1ea1nh vi\u1ec7c s\u1eed d\u1ee5ng giao th\u1ee9c CHARGEN \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i ph\u1ea3n x\u1ea1, \u0111\u00e1nh d\u1ea5u s\u1ef1 kh\u1edfi \u0111\u1ea7u n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 m\u1ed1i \u0111e d\u1ecda do c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS g\u00e2y ra.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc khai th\u00e1c c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u00f3 ph\u1ea3n h\u1ed3i l\u1edbn h\u01a1n y\u00eau c\u1ea7u ban \u0111\u1ea7u m\u00e0 k\u1ebb t\u1ea5n c\u00f4ng \u0111\u01b0a ra. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p k\u1ebb t\u1ea5n c\u00f4ng t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c g\u00f3i t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, g\u00e2y ra t\u00e1c \u0111\u1ed9ng kh\u00f4ng c\u00e2n x\u1ee9ng \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a m\u1ee5c ti\u00eau.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n li\u00ean quan:<\/p>\n<ol>\n<li>\n<p><strong>Tuy\u1ec3n d\u1ee5ng Botnet<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng t\u1eadp h\u1ee3p m\u1ed9t m\u1ea1ng botnet, m\u1ed9t m\u1ea1ng g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb b\u1ecb x\u00e2m nh\u1eadp, s\u1eed d\u1ee5ng nhi\u1ec1u k\u1ef9 thu\u1eadt kh\u00e1c nhau nh\u01b0 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, k\u1ef9 thu\u1eadt x\u00e3 h\u1ed9i ho\u1eb7c khai th\u00e1c c\u00e1c l\u1ed7 h\u1ed5ng ch\u01b0a \u0111\u01b0\u1ee3c v\u00e1.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u00e9t t\u00ecm m\u00e1y ch\u1ee7 d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng<\/strong>: Botnet qu\u00e9t internet \u0111\u1ec3 t\u00ecm c\u00e1c m\u00e1y ch\u1ee7 ch\u1ea1y c\u00e1c d\u1ecbch v\u1ee5 d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng khu\u1ebfch \u0111\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y ch\u1ee7 DNS, m\u00e1y ch\u1ee7 NTP, m\u00e1y ch\u1ee7 SNMP v\u00e0 c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ecba ch\u1ec9 IP ngu\u1ed3n gi\u1ea3 m\u1ea1o<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o \u0111\u1ecba ch\u1ec9 IP ngu\u1ed3n trong c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec3 l\u00e0m cho c\u00f3 v\u1ebb nh\u01b0 c\u00e1c y\u00eau c\u1ea7u \u0111\u00f3 b\u1eaft ngu\u1ed3n t\u1eeb \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u1ea1n nh\u00e2n, do \u0111\u00f3 che khu\u1ea5t v\u1ecb tr\u00ed th\u1ef1c t\u1ebf c\u1ee7a h\u1ecd.<\/p>\n<\/li>\n<li>\n<p><strong>G\u1eedi y\u00eau c\u1ea7u khu\u1ebfch \u0111\u1ea1i<\/strong>: Botnet g\u1eedi nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng n\u00e0y, l\u1eeba ch\u00fang ph\u1ea3n h\u1ed3i \u0111\u1ecba ch\u1ec9 IP c\u1ee7a n\u1ea1n nh\u00e2n b\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c khu\u1ebfch \u0111\u1ea1i.<\/p>\n<\/li>\n<li>\n<p><strong>\u00c1p \u0111\u1ea3o m\u1ee5c ti\u00eau<\/strong>: M\u00e1y ch\u1ee7 c\u1ee7a n\u1ea1n nh\u00e2n tr\u1edf n\u00ean qu\u00e1 t\u1ea3i v\u1edbi l\u01b0u l\u01b0\u1ee3ng khu\u1ebfch \u0111\u1ea1i, d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p \u0111ang c\u1ed1 g\u1eafng truy c\u1eadp d\u1ecbch v\u1ee5 c\u1ee7a m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<\/ol>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS, h\u00e3y kh\u00e1m ph\u00e1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a n\u00f3:<\/p>\n<ol>\n<li>\n<p><strong>H\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS d\u1ef1a v\u00e0o c\u00e1c giao th\u1ee9c c\u00f3 h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i cao, ngh\u0129a l\u00e0 ch\u00fang t\u1ea1o ra ph\u1ea3n h\u1ed3i l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi y\u00eau c\u1ea7u.<\/p>\n<\/li>\n<li>\n<p><strong>K\u1ef9 thu\u1eadt gi\u1ea3 m\u1ea1o<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u00ednh n\u0103ng gi\u1ea3 m\u1ea1o \u0111\u1ecba ch\u1ec9 IP \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u00e1t hi\u1ec7n v\u00e0 g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c truy t\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u01b0\u1eddng \u0111\u1ed9 giao th\u00f4ng<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS c\u00f3 th\u1ec3 t\u1ea1o ra l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng m\u1ea1ng c\u1ee7a n\u1ea1n nh\u00e2n, d\u1eabn \u0111\u1ebfn s\u1ef1 gi\u00e1n \u0111o\u1ea1n nghi\u00eam tr\u1ecdng.<\/p>\n<\/li>\n<li>\n<p><strong>Ti\u1ebft ki\u1ec7m cho k\u1ebb t\u1ea5n c\u00f4ng<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed cho nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng v\u00ec ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng l\u1edbn b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u01b0\u01a1ng \u0111\u1ed1i \u00edt t\u00e0i nguy\u00ean.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i t\u1ea5n c\u00f4ng DrDoS<\/h2>\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS c\u00f3 th\u1ec3 bi\u1ec3u hi\u1ec7n d\u01b0\u1edbi nhi\u1ec1u h\u00ecnh th\u1ee9c kh\u00e1c nhau, m\u1ed7i h\u00ecnh th\u1ee9c khai th\u00e1c c\u00e1c giao th\u1ee9c kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 khu\u1ebfch \u0111\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i t\u1ea5n c\u00f4ng DrDoS ph\u1ed5 bi\u1ebfn c\u00f9ng v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 khu\u1ebfch \u0111\u1ea1i c\u1ee7a ch\u00fang:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ec3u t\u1ea5n c\u00f4ng<\/th>\n<th>H\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Khu\u1ebfch \u0111\u1ea1i DNS<\/td>\n<td>L\u00ean t\u1edbi 50 l\u1ea7n<\/td>\n<\/tr>\n<tr>\n<td>Khu\u1ebfch \u0111\u1ea1i NTP<\/td>\n<td>L\u00ean t\u1edbi 556,9x<\/td>\n<\/tr>\n<tr>\n<td>Khu\u1ebfch \u0111\u1ea1i SNMP<\/td>\n<td>L\u00ean \u0111\u1ebfn 650x<\/td>\n<\/tr>\n<tr>\n<td>Khu\u1ebfch \u0111\u1ea1i SSDP<\/td>\n<td>L\u00ean t\u1edbi 30 l\u1ea7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<h3>C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS:<\/h3>\n<ol>\n<li>\n<p><strong>T\u1ed1ng ti\u1ec1n qua m\u1ea1ng<\/strong>: Nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 \u0111e d\u1ecda ti\u1ebfn h\u00e0nh m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS nh\u1eb1m v\u00e0o m\u1ed9t doanh nghi\u1ec7p tr\u1eeb khi tr\u1ea3 ti\u1ec1n chu\u1ed9c.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ee3i th\u1ebf c\u1ea1nh tranh<\/strong>: C\u00e1c th\u1ef1c th\u1ec3 v\u00f4 \u0111\u1ea1o \u0111\u1ee9c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS \u0111\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 c\u1ee7a \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh, gi\u00e0nh l\u1ee3i th\u1ebf tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n<\/li>\n<li>\n<p><strong>ch\u1ee7 ngh\u0129a hack<\/strong>: C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00f3m hacktivist s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00fac \u0111\u1ea9y m\u1ed9t m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3 ho\u1eb7c ph\u1ea3n \u0111\u1ed1i m\u1ed9t t\u1ed5 ch\u1ee9c ho\u1eb7c ch\u00ednh ph\u1ee7.<\/p>\n<\/li>\n<\/ol>\n<h3>V\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/h3>\n<ol>\n<li>\n<p><strong>Ph\u00f2ng ch\u1ed1ng khu\u1ebfch \u0111\u1ea1i<\/strong>: C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c gi\u1ea3 m\u1ea1o \u0111\u1ecba ch\u1ec9 IP v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 c\u1ee7a h\u1ecd kh\u00f4ng khu\u1ebfch \u0111\u1ea1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1ecbch v\u1ee5 r\u00e0 so\u00e1t giao th\u00f4ng<\/strong>: Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp ho\u1eb7c s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng chuy\u00ean d\u1ee5ng c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u1edbi h\u1ea1n t\u1ef7 l\u1ec7<\/strong>: Vi\u1ec7c \u00e1p d\u1ee5ng c\u01a1 ch\u1ebf gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u1ea3 n\u0103ng khu\u1ebfch \u0111\u1ea1i.<\/p>\n<\/li>\n<\/ol>\n<h2>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh<\/h2>\n<table>\n<thead>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>S\u1ef1 \u0111\u1ecbnh ngh\u0129a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>T\u1ea5n c\u00f4ng DDoS<\/td>\n<td>M\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng l\u00e0m tr\u00e0n l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng h\u1ee3p ph\u00e1p kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5n c\u00f4ng DrDoS<\/td>\n<td>M\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a DDoS s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt khu\u1ebfch \u0111\u1ea1i \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00e1c \u0111\u1ed9ng c\u1ee7a cu\u1ed9c t\u1ea5n c\u00f4ng l\u00ean m\u1ee5c ti\u00eau.<\/td>\n<\/tr>\n<tr>\n<td>m\u1ea1ng botnet<\/td>\n<td>M\u1ed9t m\u1ea1ng l\u01b0\u1edbi c\u00e1c thi\u1ebft b\u1ecb b\u1ecb x\u00e2m nh\u1eadp do k\u1ebb t\u1ea5n c\u00f4ng ki\u1ec3m so\u00e1t \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng ph\u1ed1i h\u1ee3p.<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i<\/td>\n<td>T\u1ef7 l\u1ec7 gi\u1eefa k\u00edch th\u01b0\u1edbc c\u1ee7a ph\u1ea3n h\u1ed3i v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a y\u00eau c\u1ea7u ban \u0111\u1ea7u trong m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng ph\u1ea3n x\u1ea1.<\/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, c\u00e1c m\u1ed1i \u0111e d\u1ecda tr\u00ean m\u1ea1ng c\u0169ng t\u0103ng theo, bao g\u1ed3m c\u1ea3 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS. T\u01b0\u01a1ng lai c\u00f3 th\u1ec3 th\u1ea5y:<\/p>\n<ol>\n<li>\n<p><strong>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng d\u1ef1a tr\u00ean IoT<\/strong>: V\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb Internet of Things (IoT) ng\u00e0y c\u00e0ng t\u0103ng, nh\u1eefng k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 khai th\u00e1c c\u00e1c thi\u1ebft b\u1ecb d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng n\u00e0y \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u1ea3m thi\u1ec3u d\u1ef1a tr\u00ean AI<\/strong>: C\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi AI c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed1t h\u01a1n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DrDoS trong th\u1eddi gian th\u1ef1c, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u1ea1ng t\u1ed5ng th\u1ec3.<\/p>\n<\/li>\n<\/ol>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS v\u00e0 DrDoS. B\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li>\n<p><strong>L\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n t\u00edch c\u00e1c y\u00eau c\u1ea7u \u0111\u1ebfn v\u00e0 l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ed9c h\u1ea1i tr\u01b0\u1edbc khi n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 m\u1ee5c ti\u00eau.<\/p>\n<\/li>\n<li>\n<p><strong>\u1ea8n IP c\u1ee7a m\u00e1y ch\u1ee7<\/strong>: B\u1eb1ng c\u00e1ch \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7, m\u00e1y ch\u1ee7 proxy b\u1ed5 sung th\u00eam m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng kh\u00f3 x\u00e1c \u0111\u1ecbnh v\u00e0 nh\u1eafm m\u1ee5c ti\u00eau tr\u1ef1c ti\u1ebfp v\u00e0o m\u00e1y ch\u1ee7 h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, gi\u1ea3m nguy c\u01a1 x\u1ea3y ra m\u1ed9t \u0111i\u1ec3m l\u1ed7i trong m\u1ed9t cu\u1ed9c t\u1ea5n c\u00f4ng.<\/p>\n<\/li>\n<\/ul>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.arbornetworks.com\/blog\/asert\/chargen-reflection-ddos-attacks\/\" target=\"_new\" rel=\"noopener nofollow\">Arbor Networks: B\u00e0i \u0111\u0103ng tr\u00ean blog DrDoS<\/a><\/li>\n<li><a href=\"https:\/\/www.us-cert.gov\/ncas\/alerts\/TA14-017A\" target=\"_new\" rel=\"noopener nofollow\">US-CERT: T\u1ea5n c\u00f4ng khu\u1ebfch \u0111\u1ea1i d\u1ef1a tr\u00ean UDP<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476995,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476994","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>DrDoS Attack: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is a DrDoS attack?","answer":"<p>A DrDoS attack, short for Distributed Reflective Denial of Service attack, is a variant of DDoS attacks that leverages amplification techniques to magnify the impact on the target system. It overwhelms the target's infrastructure with a flood of traffic, making it inaccessible to legitimate users.<\/p>"},{"question":"How did DrDoS attacks originate?","answer":"<p>DrDoS attacks emerged around 2013 and were first mentioned publicly in a blog post by the Arbor Security Engineering &amp; Response Team in January 2014. They exploited weaknesses in internet protocols, enabling attackers to generate massive volumes of traffic using relatively small packets.<\/p>"},{"question":"How does a DrDoS attack work?","answer":"<p>DrDoS attacks involve several steps. Attackers create a botnet by compromising devices, then scan for vulnerable servers. They spoof the source IP addresses in requests to hide their identity and send amplified requests to these vulnerable servers. The amplified traffic overwhelms the victim's server, causing a denial of service.<\/p>"},{"question":"What are the key features of DrDoS attacks?","answer":"<p>Key features of DrDoS attacks include high amplification factors, IP address spoofing to evade detection, generating overwhelming traffic volumes, and being relatively economical for attackers.<\/p>"},{"question":"What are the types of DrDoS attacks?","answer":"<p>DrDoS attacks can manifest in various forms, such as DNS Amplification, NTP Amplification, SNMP Amplification, and SSDP Amplification, each exploiting different protocols to achieve amplification.<\/p>"},{"question":"How are DrDoS attacks used, and how can they be mitigated?","answer":"<p>DrDoS attacks can be used for cyber extortion, competitive advantage, or hacktivism. To mitigate such attacks, service providers can prevent IP address spoofing, use traffic scrubbing services, and implement rate-limiting mechanisms.<\/p>"},{"question":"What are the future perspectives and technologies related to DrDoS attacks?","answer":"<p>In the future, DrDoS attacks may exploit vulnerable IoT devices, and AI-driven security solutions could improve real-time mitigation of these attacks.<\/p>"},{"question":"How do proxy servers relate to DrDoS attacks?","answer":"<p>Proxy servers play a vital role in mitigating DDoS and DrDoS attacks. They filter malicious traffic, hide the server's IP address, and provide load balancing to distribute traffic across multiple servers.<\/p>"},{"question":"How can I learn more about DrDoS attacks?","answer":"<p>For more information about DrDoS attacks, you can refer to the Arbor Networks blog post on DrDoS and the US-CERT alert on UDP-Based Amplification Attacks.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/476994","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\/476994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/476995"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=476994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}