{"id":39276,"date":"2026-02-09T15:26:21","date_gmt":"2026-02-09T08:26:21","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=39276"},"modified":"2026-05-18T13:46:36","modified_gmt":"2026-05-18T06:46:36","slug":"huong-dan-xu-ly-ma-doc-website-wordpress","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn X\u1eed L\u00fd M\u00e3 \u0110\u1ed9c Website WordPress: Chi Ti\u1ebft T\u1eebng B\u01b0\u1edbc"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Dau-hieu-nhan-biet-website-dinh-ma-doc-la-gi\" >D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft website d\u00ednh m\u00e3 \u0111\u1ed9c l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#1-Canh-bao-trinh-duyet-va-Cong-cu-tim-kiem\" >1. C\u1ea3nh b\u00e1o tr\u00ecnh duy\u1ec7t v\u00e0 C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#2-Chuyen-huong-Redirects-bat-thuong\" >2. Chuy\u1ec3n h\u01b0\u1edbng (Redirects) b\u1ea5t th\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#3-Tai-khoan-Admin-la-xuat-hien\" >3. T\u00e0i kho\u1ea3n Admin l\u1ea1 xu\u1ea5t hi\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#4-Google-Index-noi-dung-voi-ngon-ngu-la\" >4. Google Index n\u1ed9i dung v\u1edbi ng\u00f4n ng\u1eef l\u1ea1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#5-Hosting-thong-bao-tam-khoa-hoac-qua-tai\" >5. Hosting th\u00f4ng b\u00e1o t\u1ea1m kh\u00f3a ho\u1eb7c qu\u00e1 t\u1ea3i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Buoc-1-Sao-luu-du-lieu-can-thiet\" >B\u01b0\u1edbc 1: Sao l\u01b0u d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#1-Sao-luu-Database-Co-so-du-lieu\" >1. Sao l\u01b0u Database (C\u01a1 s\u1edf d\u1eef li\u1ec7u)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#2-Sao-luu-thu-muc-Uploads\" >2. Sao l\u01b0u th\u01b0 m\u1ee5c Uploads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#3-Luu-danh-sach-PluginTheme-va-file-cau-hinh\" >3. L\u01b0u danh s\u00e1ch Plugin\/Theme v\u00e0 file c\u1ea5u h\u00ecnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Buoc-2-Kiem-tra-va-lam-sach-du-lieu\" >B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#1-Lam-sach-thu-muc-Uploads\" >1. L\u00e0m s\u1ea1ch th\u01b0 m\u1ee5c Uploads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#2-Kiem-tra-Lam-sach-Database\" >2. Ki\u1ec3m tra &amp; L\u00e0m s\u1ea1ch Database<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Buoc-3-Reset-Hosting-Cai-dat-lai-ma-nguon-Re-installation\" >B\u01b0\u1edbc 3: Reset Hosting &amp; C\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e3 ngu\u1ed3n (Re-installation)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#1-Reset-Hosting-Lam-sach-moi-truong\" >1. Reset Hosting (L\u00e0m s\u1ea1ch m\u00f4i tr\u01b0\u1eddng)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#2-Cai-dat-lai-ma-nguon-WordPress-sach\" >2. C\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e3 ngu\u1ed3n WordPress s\u1ea1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#3-Khoi-phuc-Database-va-Uploads\" >3. Kh\u00f4i ph\u1ee5c Database v\u00e0 Uploads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#4-Cai-dat-lai-Plugin-va-Theme\" >4. C\u00e0i \u0111\u1eb7t l\u1ea1i Plugin v\u00e0 Theme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#5-Thiet-lap-lai-wp-configphp-an-toan\" >5. Thi\u1ebft l\u1eadp l\u1ea1i wp-config.php an to\u00e0n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Buoc-4-Quet-lai-toan-bo-website-Rescan\" >B\u01b0\u1edbc 4: Qu\u00e9t l\u1ea1i to\u00e0n b\u1ed9 website (Rescan)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Cong-cu-tich-hop-tren-Hosting\" >C\u00f4ng c\u1ee5 t\u00edch h\u1ee3p tr\u00ean Hosting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Plugin-quet-ma-doc-chuyen-dung\" >Plugin qu\u00e9t m\u00e3 \u0111\u1ed9c chuy\u00ean d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Cong-cu-kiem-tra-online\" >C\u00f4ng c\u1ee5 ki\u1ec3m tra online<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Buoc-5-Bao-mat-cho-website-WordPress\" >B\u01b0\u1edbc 5: B\u1ea3o m\u1eadt cho website WordPress<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#1-Thay-doi-toan-bo-thong-tin-dang-nhap\" >1. Thay \u0111\u1ed5i to\u00e0n b\u1ed9 th\u00f4ng tin \u0111\u0103ng nh\u1eadp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#2-Cau-hinh-phan-quyen-file-File-Permissions\" >2. C\u1ea5u h\u00ecnh ph\u00e2n quy\u1ec1n file (File Permissions)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#3-Cau-hinh-htaccess-chong-chay-file-la\" >3. C\u1ea5u h\u00ecnh .htaccess ch\u1ed1ng ch\u1ea1y file l\u1ea1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#4-Cai-plugin-bao-mat-thuong-truc\" >4. C\u00e0i plugin b\u1ea3o m\u1eadt th\u01b0\u1eddng tr\u1ef1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Nhung-luu-y-de-tranh-tai-nhiem-ma-doc\" >Nh\u1eefng l\u01b0u \u00fd \u0111\u1ec3 tr\u00e1nh t\u00e1i nhi\u1ec5m m\u00e3 \u0111\u1ed9c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Cac-cau-hoi-thuong-gap-FAQs\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Q1-Lam-sao-biet-chinh-xac-plugin-nao-gay-ra-ma-doc\" >Q1: L\u00e0m sao bi\u1ebft ch\u00ednh x\u00e1c plugin n\u00e0o g\u00e2y ra m\u00e3 \u0111\u1ed9c?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Q2-Co-nen-tra-tien-cho-cac-dich-vu-go-ma-doc-nhu-Sucuri-khong\" >Q2: C\u00f3 n\u00ean tr\u1ea3 ti\u1ec1n cho c\u00e1c d\u1ecbch v\u1ee5 g\u1ee1 m\u00e3 \u0111\u1ed9c (nh\u01b0 Sucuri) kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Q3-Tai-sao-toi-da-xoa-ma-doc-nhung-vai-ngay-sau-lai-bi-lai\" >Q3: T\u1ea1i sao t\u00f4i \u0111\u00e3 x\u00f3a m\u00e3 \u0111\u1ed9c nh\u01b0ng v\u00e0i ng\u00e0y sau l\u1ea1i b\u1ecb l\u1ea1i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Q4-Web-bi-Google-canh-bao-do-thi-bao-lau-moi-het\" >Q4: Web b\u1ecb Google c\u1ea3nh b\u00e1o \u0111\u1ecf th\u00ec bao l\u00e2u m\u1edbi h\u1ebft?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Q5-Database-co-chua-ma-doc-khong\" >Q5: Database c\u00f3 ch\u1ee9a m\u00e3 \u0111\u1ed9c kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Ket-luan\" >K\u1ebft lu\u1eadn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/interdata.vn\/blog\/huong-dan-xu-ly-ma-doc-website-wordpress\/#Ban-can-ho-tro-khan-cap\" >B\u1ea1n c\u1ea7n h\u1ed7 tr\u1ee3 kh\u1ea9n c\u1ea5p?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<div class=\"summary\">\n<p><strong>Th\u00f4ng tin t\u1ed5ng quan:<\/strong><\/p>\n<p><strong>X\u1eed l\u00fd m\u00e3 \u0111\u1ed9c website WordPress<\/strong> l\u00e0 quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u1eb1m ph\u00e1t hi\u1ec7n, c\u00f4 l\u1eadp v\u00e0 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c t\u1ec7p tin \u0111\u1ed9c h\u1ea1i (malware, backdoor, shell) v\u00e0 v\u00e1 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u1ec3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a website. Thay v\u00ec ch\u1ec9 c\u1ed1 g\u1eafng g\u1ee1 b\u1ecf m\u00e3 \u0111\u1ed9c tr\u00ean n\u1ec1n t\u1ea3ng c\u0169 v\u1ed1n ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro t\u00e1i nhi\u1ec5m, quy tr\u00ecnh chu\u1ea9n khuy\u1ebfn ngh\u1ecb b\u1edfi InterData bao g\u1ed3m vi\u1ec7c c\u00f4 l\u1eadp website, sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng (database, uploads), l\u00e0m s\u1ea1ch th\u1ee7 c\u00f4ng v\u00e0 th\u1ef1c hi\u1ec7n <strong>c\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e3 ngu\u1ed3n WordPress s\u1ea1ch t\u1eeb \u0111\u1ea7u<\/strong>.<\/p>\n<ul>\n<li><strong>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft:<\/strong> Traffic gi\u1ea3m \u0111\u1ed9t ng\u1ed9t, xu\u1ea5t hi\u1ec7n t\u00e0i kho\u1ea3n Admin l\u1ea1, website t\u1ef1 chuy\u1ec3n h\u01b0\u1edbng (redirect) sang web \u0111en, ho\u1eb7c c\u1ea3nh b\u00e1o &#8220;Deceptive site ahead&#8221; t\u1eeb Google.<\/li>\n<li><strong>Nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong> Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 do s\u1eed d\u1ee5ng Plugin\/Theme nulled (b\u1ebb kh\u00f3a), m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb qu\u00e1 y\u1ebfu, ho\u1eb7c kh\u00f4ng c\u1eadp nh\u1eadt phi\u00ean b\u1ea3n WordPress\/Plugin \u0111\u1ecbnh k\u1ef3.<\/li>\n<li><strong>Quy tr\u00ecnh 5 b\u01b0\u1edbc:<\/strong> Sao l\u01b0u (Backup) \u2192 L\u00e0m s\u1ea1ch (Clean) \u2192 Reset &amp; C\u00e0i m\u1edbi (Reinstall) \u2192 Qu\u00e9t l\u1ea1i (Rescan) \u2192 B\u1ea3o m\u1eadt (Harden).<\/li>\n<li><strong>C\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3:<\/strong> Wordfence, Sucuri, Imunify360, VirusTotal v\u00e0 c\u00e1c l\u1ec7nh thao t\u00e1c tr\u00ean Hosting.<\/li>\n<\/ul>\n<\/div>\n<p>B\u1ea1n truy c\u1eadp v\u00e0o website t\u00e2m huy\u1ebft c\u1ee7a m\u00ecnh v\u00e0 thay v\u00ec giao di\u1ec7n quen thu\u1ed9c, th\u1ee9 \u0111\u1eadp v\u00e0o m\u1eaft l\u00e0 m\u1ed9t <strong>m\u00e0n h\u00ecnh tr\u1eafng x\u00f3a<\/strong>, nh\u1eefng d\u00f2ng ch\u1eef ti\u1ebfng Nh\u1eadt l\u1ea1 l\u1eabm, hay t\u1ec7 h\u01a1n l\u00e0 b\u1ecb chuy\u1ec3n h\u01b0\u1edbng th\u1eb3ng sang m\u1ed9t trang web c\u1edd b\u1ea1c, n\u1ed9i dung \u0111\u1ed3i tr\u1ee5y?<\/p>\n<p>C\u1ea3m gi\u00e1c ho\u1ea3ng lo\u1ea1n l\u00fac n\u00e0y l\u00e0 \u0111i\u1ec1u d\u1ec5 hi\u1ec3u. Kh\u00f4ng ch\u1ec9 doanh thu b\u1ecb ng\u01b0ng tr\u1ec7, uy t\u00edn th\u01b0\u01a1ng hi\u1ec7u b\u1ecb \u0111e d\u1ecda, m\u00e0 b\u1ea1n c\u00f2n \u0111\u1ed1i m\u1eb7t v\u1edbi nguy c\u01a1 b\u1ecb Google g\u1eafn c\u1edd c\u1ea3nh b\u00e1o <i>&#8220;Deceptive site ahead&#8221;<\/i> (Trang web l\u1eeba \u0111\u1ea3o), khi\u1ebfn c\u00f4ng s\u1ee9c SEO bao n\u0103m \u0111\u1ed5 s\u00f4ng \u0111\u1ed5 bi\u1ec3n.<\/p>\n<p>B\u1ea1n kh\u00f4ng \u0111\u01a1n \u0111\u1ed9c. Theo th\u1ed1ng k\u00ea t\u1eeb <strong>Wordfence<\/strong>, m\u1ed7i ph\u00fat c\u00f3 h\u01a1n 90.000 cu\u1ed9c t\u1ea5n c\u00f4ng v\u00e0o c\u00e1c website <a href=\"https:\/\/interdata.vn\/blog\/wordpress-la-gi\/\">WordPress<\/a> tr\u00ean to\u00e0n c\u1ea7u. Tuy nhi\u00ean, tin t\u1ed1t l\u00e0 website c\u1ee7a b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u1ee9u \u0111\u01b0\u1ee3c.<\/p>\n<p>T\u1ea1i b\u00e0i vi\u1ebft n\u00e0y, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a <strong>InterData<\/strong> s\u1ebd kh\u00f4ng ch\u1ec9 cho b\u1ea1n c\u00e1ch &#8220;d\u00e1n b\u0103ng c\u00e1 nh\u00e2n&#8221; t\u1ea1m th\u1eddi. Ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n quy tr\u00ecnh chi ti\u1ebft t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n m\u00e3 \u0111\u1ed9c, kh\u00f4i ph\u1ee5c d\u1eef li\u1ec7u v\u00e0 bi\u1ebfn website tr\u1edf th\u00e0nh m\u1ed9t ph\u00e1o \u0111\u00e0i ki\u00ean c\u1ed1. H\u00e3y b\u00ecnh t\u0129nh v\u00e0 b\u1eaft \u0111\u1ea7u t\u1eebng b\u01b0\u1edbc m\u1ed9t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dau-hieu-nhan-biet-website-dinh-ma-doc-la-gi\"><\/span>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft website d\u00ednh m\u00e3 \u0111\u1ed9c l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_39286\" aria-describedby=\"caption-attachment-39286\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-39286\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Dau-hieu-nhan-biet-website-WordPress-dinh-ma-doc-1.webp\" alt=\"D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft website WordPress d\u00ednh m\u00e3 \u0111\u1ed9c\" width=\"800\" height=\"533\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Dau-hieu-nhan-biet-website-WordPress-dinh-ma-doc-1.webp 1200w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Dau-hieu-nhan-biet-website-WordPress-dinh-ma-doc-1-300x200.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Dau-hieu-nhan-biet-website-WordPress-dinh-ma-doc-1-1024x683.webp 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Dau-hieu-nhan-biet-website-WordPress-dinh-ma-doc-1-768x512.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-39286\" class=\"wp-caption-text\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft website WordPress d\u00ednh m\u00e3 \u0111\u1ed9c<\/figcaption><\/figure>\n<p>M\u00e3 \u0111\u1ed9c (Malware) ng\u00e0y nay r\u1ea5t tinh vi. Ch\u00fang kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ph\u00e1 h\u1ecfng giao di\u1ec7n ngay l\u1eadp t\u1ee9c. Hacker th\u01b0\u1eddng mu\u1ed1n gi\u1eef website c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng \u0111\u1ec3 l\u1ee3i d\u1ee5ng t\u00e0i nguy\u00ean server ho\u1eb7c SEO traffic. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Canh-bao-trinh-duyet-va-Cong-cu-tim-kiem\"><\/span>1. C\u1ea3nh b\u00e1o tr\u00ecnh duy\u1ec7t v\u00e0 C\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 khi truy c\u1eadp website, tr\u00ecnh duy\u1ec7t Chrome ho\u1eb7c Firefox hi\u1ec3n th\u1ecb m\u00e0n h\u00ecnh \u0111\u1ecf v\u1edbi th\u00f4ng b\u00e1o <i>&#8220;The site ahead contains malware&#8221;<\/i> (Trang web s\u1eafp truy c\u1eadp ch\u1ee9a ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i) ho\u1eb7c <i>&#8220;Deceptive site ahead&#8221;<\/i>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Chuyen-huong-Redirects-bat-thuong\"><\/span>2. Chuy\u1ec3n h\u01b0\u1edbng (Redirects) b\u1ea5t th\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 tri\u1ec7u ch\u1ee9ng r\u1ea5t ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c lo\u1ea1i m\u00e3 \u0111\u1ed9c &#8220;Mobile Redirect&#8221;. Khi b\u1ea1n truy c\u1eadp trang ch\u1ee7 ho\u1eb7c nh\u1ea5p v\u00e0o m\u1ed9t li\u00ean k\u1ebft b\u1ea5t k\u1ef3, website t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng sang c\u00e1c trang web spam, trang b\u00e1n thu\u1ed1c gi\u1ea3, c\u00e1 \u0111\u1ed9 ho\u1eb7c n\u1ed9i dung ng\u01b0\u1eddi l\u1edbn. \u0110\u00f4i khi, t\u00ecnh tr\u1ea1ng n\u00e0y ch\u1ec9 x\u1ea3y ra khi truy c\u1eadp b\u1eb1ng thi\u1ebft b\u1ecb di \u0111\u1ed9ng \u0111\u1ec3 qua m\u1eb7t qu\u1ea3n tr\u1ecb vi\u00ean.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Tai-khoan-Admin-la-xuat-hien\"><\/span>3. T\u00e0i kho\u1ea3n Admin l\u1ea1 xu\u1ea5t hi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n ki\u1ec3m tra m\u1ee5c <strong>Users (Th\u00e0nh vi\u00ean)<\/strong> trong Dashboard v\u00e0 th\u1ea5y xu\u1ea5t hi\u1ec7n c\u00e1c t\u00e0i kho\u1ea3n c\u00f3 quy\u1ec1n Administrator m\u00e0 b\u1ea1n kh\u00f4ng h\u1ec1 t\u1ea1o (th\u01b0\u1eddng c\u00f3 t\u00ean nh\u01b0 <code>wp_update<\/code>, <code>system_admin<\/code>, ho\u1eb7c c\u00e1c chu\u1ed7i k\u00fd t\u1ef1 ng\u1eabu nhi\u00ean), ch\u1eafc ch\u1eafn website \u0111\u00e3 b\u1ecb chi\u1ebfm quy\u1ec1n ki\u1ec3m so\u00e1t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Google-Index-noi-dung-voi-ngon-ngu-la\"><\/span>4. Google Index n\u1ed9i dung v\u1edbi ng\u00f4n ng\u1eef l\u1ea1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi t\u00ecm ki\u1ebfm t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n tr\u00ean Google (c\u00fa ph\u00e1p <code>site:domain.com<\/code>), k\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 l\u1ea1i hi\u1ec3n th\u1ecb ti\u00eau \u0111\u1ec1 v\u00e0 m\u00f4 t\u1ea3 b\u1eb1ng ti\u1ebfng Nh\u1eadt, ti\u1ebfng Trung ho\u1eb7c ti\u1ebfng Nga, qu\u1ea3ng c\u00e1o c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng li\u00ean quan. \u0110\u00e2y l\u00e0 k\u1ef9 thu\u1eadt SEO Spam \u0111i\u1ec3n h\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5-Hosting-thong-bao-tam-khoa-hoac-qua-tai\"><\/span>5. Hosting th\u00f4ng b\u00e1o t\u1ea1m kh\u00f3a ho\u1eb7c qu\u00e1 t\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c email t\u1eeb nh\u00e0 cung c\u1ea5p Hosting th\u00f4ng b\u00e1o t\u1ea1m ng\u1eebng d\u1ecbch v\u1ee5 (Suspend) do t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n \u0111ang g\u1eedi h\u00e0ng ng\u00e0n email spam ho\u1eb7c ti\u00eau t\u1ed1n 100% <a href=\"https:\/\/interdata.vn\/blog\/cpu-server\/\">CPU<\/a> li\u00ean t\u1ee5c. \u0110\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u server c\u1ee7a b\u1ea1n \u0111ang b\u1ecb l\u1ee3i d\u1ee5ng \u0111\u1ec3 t\u1ea5n c\u00f4ng DDoS ho\u1eb7c \u0111\u00e0o ti\u1ec1n \u1ea3o.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-1-Sao-luu-du-lieu-can-thiet\"><\/span>B\u01b0\u1edbc 1: Sao l\u01b0u d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"note-box\"><span style=\"color: #ff6600;\"><strong>QUAN TR\u1eccNG:<\/strong><\/span> \u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t. D\u00f9 website \u0111ang b\u1ecb l\u1ed7i, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i sao l\u01b0u d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thao t\u00e1c x\u00f3a b\u1ecf n\u00e0o. Vi\u1ec7c n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea1n lu\u00f4n c\u00f3 \u0111\u01b0\u1eddng lui n\u1ebfu qu\u00e1 tr\u00ecnh x\u1eed l\u00fd g\u1eb7p s\u1ef1 c\u1ed1 m\u1ea5t d\u1eef li\u1ec7u.<\/div>\n<p>Ch\u00fang ta s\u1ebd kh\u00f4ng sao l\u01b0u &#8220;nguy\u00ean con&#8221; (Full Backup) v\u00ec m\u00e3 \u0111\u1ed9c n\u1eb1m r\u1ea3i r\u00e1c kh\u1eafp n\u01a1i. Ch\u00fang ta ch\u1ec9 sao l\u01b0u nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i kh\u00f4ng th\u1ec3 thay th\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Sao-luu-Database-Co-so-du-lieu\"><\/span>1. Sao l\u01b0u Database (C\u01a1 s\u1edf d\u1eef li\u1ec7u)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Database ch\u1ee9a to\u00e0n b\u1ed9 b\u00e0i vi\u1ebft, trang, b\u00ecnh lu\u1eadn, th\u00f4ng tin \u0111\u01a1n h\u00e0ng v\u00e0 c\u1ea5u h\u00ecnh c\u00e0i \u0111\u1eb7t. M\u1ea5t database ngh\u0129a l\u00e0 m\u1ea5t website.<\/p>\n<ol>\n<li>Truy c\u1eadp v\u00e0o trang qu\u1ea3n tr\u1ecb Hosting (cPanel).<\/li>\n<li>M\u1edf c\u00f4ng c\u1ee5 <strong><a href=\"https:\/\/interdata.vn\/blog\/phpmyadmin-la-gi\/\">phpMyAdmin<\/a><\/strong>.<\/li>\n<li>Ch\u1ecdn c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a website b\u1ecb nhi\u1ec5m.<\/li>\n<li>Nh\u1ea5n v\u00e0o tab <strong>Export (Xu\u1ea5t)<\/strong>.<\/li>\n<li>Ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c <strong>Quick<\/strong> v\u00e0 \u0111\u1ecbnh d\u1ea1ng <strong>SQL<\/strong>, sau \u0111\u00f3 nh\u1ea5n <strong>Go<\/strong> \u0111\u1ec3 t\u1ea3i v\u1ec1 m\u00e1y t\u00ednh.<\/li>\n<\/ol>\n<figure id=\"attachment_39245\" aria-describedby=\"caption-attachment-39245\" style=\"width: 1529px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39245\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-Database.png\" alt=\"Sao l\u01b0u Database\" width=\"1529\" height=\"917\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-Database.png 1529w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-Database-300x180.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-Database-1024x614.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-Database-768x461.png 768w\" sizes=\"auto, (max-width: 1529px) 100vw, 1529px\" \/><figcaption id=\"caption-attachment-39245\" class=\"wp-caption-text\">Sao l\u01b0u Database<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"2-Sao-luu-thu-muc-Uploads\"><\/span>2. Sao l\u01b0u th\u01b0 m\u1ee5c Uploads<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Th\u01b0 m\u1ee5c <code>\/wp-content\/uploads\/<\/code> l\u00e0 n\u01a1i ch\u1ee9a h\u00ecnh \u1ea3nh v\u00e0 media b\u1ea1n \u0111\u00e3 t\u1ea3i l\u00ean trong su\u1ed1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n web. \u0110\u00e2y l\u00e0 t\u00e0i s\u1ea3n duy nh\u1ea5t trong m\u00e3 ngu\u1ed3n (source code) m\u00e0 ch\u00fang ta gi\u1eef l\u1ea1i. C\u00e1c th\u01b0 m\u1ee5c kh\u00e1c nh\u01b0 <code>wp-admin<\/code>, <code>wp-includes<\/code> hay core files \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ea3i l\u1ea1i t\u1eeb WordPress.org.<\/p>\n<p>S\u1eed d\u1ee5ng File Manager c\u1ee7a Hosting \u0111\u1ec3 n\u00e9n (Zip) th\u01b0 m\u1ee5c <code>uploads<\/code> v\u00e0 t\u1ea3i v\u1ec1 m\u00e1y t\u00ednh.<\/p>\n<figure id=\"attachment_39247\" aria-describedby=\"caption-attachment-39247\" style=\"width: 1920px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39247\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads.png\" alt=\"Sao l\u01b0u th\u01b0 m\u1ee5c Uploads\" width=\"1920\" height=\"796\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads.png 1920w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads-300x124.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads-1024x425.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads-768x318.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Sao-luu-thu-muc-Uploads-1536x637.png 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><figcaption id=\"caption-attachment-39247\" class=\"wp-caption-text\">Sao l\u01b0u th\u01b0 m\u1ee5c Uploads<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"3-Luu-danh-sach-PluginTheme-va-file-cau-hinh\"><\/span>3. L\u01b0u danh s\u00e1ch Plugin\/Theme v\u00e0 file c\u1ea5u h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Danh s\u00e1ch Plugin\/Theme:<\/strong> Ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh th\u01b0 m\u1ee5c <code>\/wp-content\/plugins\/<\/code> v\u00e0 <code>\/wp-content\/themes\/<\/code> \u0111\u1ec3 nh\u1edb nh\u1eefng g\u00ec c\u1ea7n c\u00e0i \u0111\u1eb7t l\u1ea1i sau n\u00e0y.<\/p>\n<figure id=\"attachment_39248\" aria-describedby=\"caption-attachment-39248\" style=\"width: 1013px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39248\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-danh-sach-Plugin-Theme.png\" alt=\"L\u01b0u danh s\u00e1ch Plugin -Theme\" width=\"1013\" height=\"593\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-danh-sach-Plugin-Theme.png 1013w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-danh-sach-Plugin-Theme-300x176.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-danh-sach-Plugin-Theme-768x450.png 768w\" sizes=\"auto, (max-width: 1013px) 100vw, 1013px\" \/><figcaption id=\"caption-attachment-39248\" class=\"wp-caption-text\">L\u01b0u danh s\u00e1ch Plugin -Theme<\/figcaption><\/figure>\n<p><strong>File wp-config.php:<\/strong> T\u1ea3i file n\u00e0y v\u1ec1 m\u00e1y.<\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong> Ch\u00fang ta ch\u1ec9 d\u00f9ng file n\u00e0y \u0111\u1ec3 xem th\u00f4ng tin k\u1ebft n\u1ed1i Database (DB Name, User, Password), tuy\u1ec7t \u0111\u1ed1i <strong>kh\u00f4ng s\u1eed d\u1ee5ng l\u1ea1i file n\u00e0y<\/strong> \u0111\u1ec3 upload l\u00ean server m\u1edbi v\u00ec hacker th\u01b0\u1eddng ch\u00e8n code \u0111\u1ed9c v\u00e0o \u0111\u00e2y.<\/p>\n<figure id=\"attachment_39249\" aria-describedby=\"caption-attachment-39249\" style=\"width: 1633px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39249\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config.png\" alt=\"L\u01b0u th\u00f4ng tin c\u1ea5u h\u00ecnh wp-config\" width=\"1633\" height=\"884\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config.png 1633w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config-300x162.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config-1024x554.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config-768x416.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Luu-thong-tin-cau-hinh-wp-config-1536x831.png 1536w\" sizes=\"auto, (max-width: 1633px) 100vw, 1633px\" \/><figcaption id=\"caption-attachment-39249\" class=\"wp-caption-text\">L\u01b0u th\u00f4ng tin c\u1ea5u h\u00ecnh wp-config<\/figcaption><\/figure>\n<p><strong>Th\u01b0 m\u1ee5c Languages (n\u1ebfu c\u00f3):<\/strong> N\u1ebfu b\u1ea1n c\u00f3 c\u00e1c file vi\u1ec7t h\u00f3a ri\u00eang trong <code>\/wp-content\/languages\/<\/code>, h\u00e3y sao l\u01b0u ch\u00fang.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-2-Kiem-tra-va-lam-sach-du-lieu\"><\/span>B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 t\u1ea3i d\u1eef li\u1ec7u v\u1ec1 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n (Localhost), ch\u00fang ta c\u1ea7n &#8220;ph\u1eabu thu\u1eadt&#8221; \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c t\u1ebf b\u00e0o ung th\u01b0 (m\u00e3 \u0111\u1ed9c) tr\u01b0\u1edbc khi \u0111\u01b0a ch\u00fang tr\u1edf l\u1ea1i m\u00f4i tr\u01b0\u1eddng s\u1ea1ch.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Lam-sach-thu-muc-Uploads\"><\/span>1. L\u00e0m s\u1ea1ch th\u01b0 m\u1ee5c Uploads<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Theo nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt, th\u01b0 m\u1ee5c <code>uploads<\/code> ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p ch\u1ee9a c\u00e1c file \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh, video, t\u00e0i li\u1ec7u (nh\u01b0 <code>.jpg<\/code>, <code>.png<\/code>, <code>.pdf<\/code>, <code>.mp4<\/code>). N\u00f3 <strong>kh\u00f4ng bao gi\u1edd<\/strong> \u0111\u01b0\u1ee3c ch\u1ee9a c\u00e1c file th\u1ef1c thi m\u00e3 l\u1ec7nh nh\u01b0 <code>.php<\/code>, <code>.php5<\/code>, <code>.phtml<\/code>, <code>.py<\/code>, <code>.pl<\/code>, <code>.cgi<\/code>.<\/p>\n<p><strong>H\u00e0nh \u0111\u1ed9ng:<\/strong><\/p>\n<ol>\n<li>Gi\u1ea3i n\u00e9n file backup <code>uploads<\/code> tr\u00ean m\u00e1y t\u00ednh.<\/li>\n<li>S\u1eed d\u1ee5ng t\u00ednh n\u0103ng t\u00ecm ki\u1ebfm c\u1ee7a Windows (File Explorer) ho\u1eb7c Mac (Finder).<\/li>\n<li>T\u00ecm ki\u1ebfm t\u1eeb kh\u00f3a: <code>*.php<\/code>.<\/li>\n<li>X\u00f3a th\u1eb3ng tay <strong>t\u1ea5t c\u1ea3<\/strong> c\u00e1c file <code>.php<\/code> \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong th\u01b0 m\u1ee5c n\u00e0y. Hacker th\u01b0\u1eddng gi\u1ea5u c\u00e1c file backdoor t\u1ea1i \u0111\u00e2y (v\u00ed d\u1ee5: <code>image_resizer.php<\/code>, <code>config.php<\/code> \u1ea9n trong c\u00e1c folder n\u0103m\/th\u00e1ng).<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"2-Kiem-tra-Lam-sach-Database\"><\/span>2. Ki\u1ec3m tra &amp; L\u00e0m s\u1ea1ch Database<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1edf file <code>.sql<\/code> v\u1eeba t\u1ea3i v\u1ec1 b\u1eb1ng m\u1ed9t tr\u00ecnh so\u1ea1n th\u1ea3o code nh\u1eb9 nh\u01b0 <strong>Notepad++<\/strong> ho\u1eb7c <strong>Sublime Text<\/strong> (kh\u00f4ng d\u00f9ng Word hay Notepad th\u01b0\u1eddng v\u00ec file l\u1edbn s\u1ebd b\u1ecb treo).<\/p>\n<p>S\u1eed d\u1ee5ng t\u1ed5 h\u1ee3p ph\u00edm <code>Ctrl + F<\/code> \u0111\u1ec3 t\u00ecm ki\u1ebfm c\u00e1c d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng:<\/p>\n<ul>\n<li><code>base64_decode<\/code>: H\u00e0m m\u00e3 h\u00f3a th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 gi\u1ea5u code \u0111\u1ed9c.<\/li>\n<li><code>eval(<\/code>: H\u00e0m th\u1ef1c thi code PHP nguy hi\u1ec3m.<\/li>\n<li><code>&lt;script&gt;<\/code>: C\u00e1c \u0111o\u1ea1n script ch\u00e8n v\u00e0o n\u1ed9i dung b\u00e0i vi\u1ebft \u0111\u1ec3 redirect.<\/li>\n<li><code>&lt;iframe&gt;<\/code>: C\u00e1c khung h\u00ecnh \u1ea9n t\u1ea3i m\u00e3 \u0111\u1ed9c t\u1eeb trang kh\u00e1c.<\/li>\n<\/ul>\n<p>\u0110\u1eb7c bi\u1ec7t, h\u00e3y ki\u1ec3m tra k\u1ef9 2 b\u1ea3ng quan tr\u1ecdng:<\/p>\n<ul>\n<li><strong>wp_users:<\/strong> R\u00e0 so\u00e1t danh s\u00e1ch user, x\u00f3a ngay c\u00e1c d\u00f2ng ch\u1ee9a user l\u1ea1 m\u00e0 b\u1ea1n kh\u00f4ng nh\u1eadn ra.<\/li>\n<li><strong>wp_options:<\/strong> T\u00ecm \u0111\u1ebfn d\u00f2ng <code>siteurl<\/code> v\u00e0 <code>home<\/code>. \u0110\u1ea3m b\u1ea3o \u0111\u1ecba ch\u1ec9 website v\u1eabn \u0111\u00fang l\u00e0 domain c\u1ee7a b\u1ea1n, kh\u00f4ng b\u1ecb \u0111\u1ed5i sang domain l\u1ea1.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-3-Reset-Hosting-Cai-dat-lai-ma-nguon-Re-installation\"><\/span>B\u01b0\u1edbc 3: Reset Hosting &amp; C\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e3 ngu\u1ed3n (Re-installation)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p Nuclear (H\u1ea1t nh\u00e2n):<\/strong> Thay v\u00ec c\u1ed1 g\u1eafng g\u1ee1 t\u1eebng d\u00f2ng code \u0111\u1ed9c tr\u00ean m\u00e3 ngu\u1ed3n c\u0169 (r\u1ea5t d\u1ec5 b\u1ecf s\u00f3t), ch\u00fang ta s\u1ebd x\u00f3a b\u1ecf ho\u00e0n to\u00e0n v\u00e0 x\u00e2y d\u1ef1ng l\u1ea1i t\u1eeb \u0111\u1ea7u. \u0110\u00e2y l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ea3m b\u1ea3o s\u1ea1ch 100%.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Reset-Hosting-Lam-sach-moi-truong\"><\/span>1. Reset Hosting (L\u00e0m s\u1ea1ch m\u00f4i tr\u01b0\u1eddng)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p Hosting (n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 t\u1ea1i InterData, h\u00e3y g\u1eedi ticket ngay). Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p h\u1ed7 tr\u1ee3 <strong>Reset hosting v\u1ec1 tr\u1ea1ng th\u00e1i m\u1eb7c \u0111\u1ecbnh<\/strong>.<\/p>\n<p>Thao t\u00e1c n\u00e0y s\u1ebd x\u00f3a v\u0129nh vi\u1ec5n to\u00e0n b\u1ed9 file v\u00e0 database hi\u1ec7n c\u00f3 tr\u00ean host. \u0110\u1ed3ng th\u1eddi, \u0111\u00e2y l\u00e0 l\u00fac b\u1ea1n <strong>b\u1eaft bu\u1ed9c<\/strong> ph\u1ea3i \u0111\u1ed5i m\u1eadt kh\u1ea9u qu\u1ea3n tr\u1ecb Hosting (cPanel\/DirectAdmin) v\u00e0 m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n <a href=\"https:\/\/interdata.vn\/blog\/ftp-la-gi\/\">FTP<\/a>. N\u1ebfu hacker \u0111\u00e3 c\u00f3 m\u1eadt kh\u1ea9u n\u00e0y, m\u1ecdi n\u1ed7 l\u1ef1c l\u00e0m s\u1ea1ch b\u00ean d\u01b0\u1edbi \u0111\u1ec1u v\u00f4 ngh\u0129a.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Cai-dat-lai-ma-nguon-WordPress-sach\"><\/span>2. C\u00e0i \u0111\u1eb7t l\u1ea1i m\u00e3 ngu\u1ed3n WordPress s\u1ea1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Truy c\u1eadp trang ch\u1ee7 <a href=\"https:\/\/wordpress.org\/download\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress.org<\/a> \u0111\u1ec3 t\u1ea3i v\u1ec1 b\u1ea3n WordPress m\u1edbi nh\u1ea5t. Gi\u1ea3i n\u00e9n v\u00e0 upload to\u00e0n b\u1ed9 m\u00e3 ngu\u1ed3n s\u1ea1ch n\u00e0y l\u00ean th\u01b0 m\u1ee5c <code>public_html<\/code> c\u1ee7a hosting.<\/p>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng s\u1eed d\u1ee5ng l\u1ea1i b\u1ea5t k\u1ef3 file m\u00e3 ngu\u1ed3n c\u0169 n\u00e0o (tr\u1eeb th\u01b0 m\u1ee5c uploads \u0111\u00e3 l\u00e0m s\u1ea1ch).<\/p>\n<p><strong>Xem chi ti\u1ebft t\u1ea1i <span style=\"color: #0000ff;\">C\u00e1ch 1<\/span> c\u1ee7a b\u00e0i vi\u1ebft <a href=\"https:\/\/interdata.vn\/blog\/cai-dat-wordpress-tren-hosting-cpanel\/\">3 C\u00e1ch C\u00e0i \u0110\u1eb7t WordPress Tr\u00ean Hosting cPanel \u0110\u01a1n Gi\u1ea3n<\/a><\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Khoi-phuc-Database-va-Uploads\"><\/span>3. Kh\u00f4i ph\u1ee5c Database v\u00e0 Uploads<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi \u0111\u00e3 c\u00f3 b\u1ed9 m\u00e3 ngu\u1ed3n WordPress s\u1ea1ch (&#8220;x\u00e1c&#8221;), ch\u00fang ta c\u1ea7n \u0111\u1ed5 &#8220;h\u1ed3n&#8221; (d\u1eef li\u1ec7u) v\u00e0o l\u1ea1i. H\u00e3y l\u00e0m ch\u1eadm v\u00e0 ch\u00ednh x\u00e1c t\u1eebng b\u01b0\u1edbc sau:<\/p>\n<h4>a. T\u1ea1o Database m\u1edbi ho\u00e0n to\u00e0n<\/h4>\n<p>\u0110\u1eebng d\u00f9ng l\u1ea1i Database c\u0169. H\u00e3y v\u00e0o trang qu\u1ea3n tr\u1ecb Hosting (cPanel):<\/p>\n<ol>\n<li>T\u00ecm m\u1ee5c <strong>Manage My Databases<\/strong> tr\u00ean cPanel<\/li>\n<li>T\u1ea1o m\u1ed9t Database Name m\u1edbi (v\u00ed d\u1ee5: <code>new_wp_data<\/code>).<\/li>\n<li>T\u1ea1o m\u1ed9t Database User m\u1edbi v\u00e0 M\u1eadt kh\u1ea9u <strong>c\u1ef1c m\u1ea1nh<\/strong> (d\u00f9ng tr\u00ecnh t\u1ea1o m\u1eadt kh\u1ea9u ng\u1eabu nhi\u00ean).<\/li>\n<li><strong>Quan tr\u1ecdng:<\/strong> G\u00e1n User v\u00e0o Database v\u1eeba t\u1ea1o v\u00e0 t\u00edch ch\u1ecdn <strong>&#8220;ALL PRIVILEGES&#8221;<\/strong> (To\u00e0n quy\u1ec1n).<\/li>\n<\/ol>\n<figure id=\"attachment_39279\" aria-describedby=\"caption-attachment-39279\" style=\"width: 1332px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39279\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Tao-Database-moi.png\" alt=\"T\u1ea1o Database m\u1edbi\" width=\"1332\" height=\"835\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Tao-Database-moi.png 1332w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Tao-Database-moi-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Tao-Database-moi-1024x642.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Tao-Database-moi-768x481.png 768w\" sizes=\"auto, (max-width: 1332px) 100vw, 1332px\" \/><figcaption id=\"caption-attachment-39279\" class=\"wp-caption-text\">T\u1ea1o Database m\u1edbi<\/figcaption><\/figure>\n<h4>b. Nh\u1eadp d\u1eef li\u1ec7u s\u1ea1ch (Import SQL)<\/h4>\n<ol>\n<li>Quay l\u1ea1i <strong>phpMyAdmin<\/strong>.<\/li>\n<li>\u1ede c\u1ed9t b\u00ean tr\u00e1i, click ch\u1ecdn t\u00ean Database <strong>m\u1edbi<\/strong> v\u1eeba t\u1ea1o (l\u00fac n\u00e0y \u0111ang r\u1ed7ng).<\/li>\n<li>Nh\u1ea5n v\u00e0o tab <strong>Import (Nh\u1eadp)<\/strong> tr\u00ean thanh c\u00f4ng c\u1ee5.<\/li>\n<li>Nh\u1ea5n <strong>Choose File<\/strong> v\u00e0 ch\u1ecdn file <code>.sql<\/code> s\u1ea1ch \u0111\u00e3 x\u1eed l\u00fd \u1edf B\u01b0\u1edbc 2 tr\u00ean m\u00e1y t\u00ednh.<\/li>\n<li>Nh\u1ea5n n\u00fat <strong>Go (Th\u1ef1c hi\u1ec7n)<\/strong> \u1edf cu\u1ed1i trang. \u0110\u1ee3i \u0111\u1ebfn khi b\u00e1o d\u00f2ng ch\u1eef xanh &#8220;Import has been successfully finished&#8221;.<\/li>\n<\/ol>\n<figure id=\"attachment_39280\" aria-describedby=\"caption-attachment-39280\" style=\"width: 1806px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39280\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin.png\" alt=\"Import SQL l\u00ean phpMyAdmin\" width=\"1806\" height=\"907\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin.png 1806w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin-300x151.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin-1024x514.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin-768x386.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Import-SQL-len-phpMyAdmin-1536x771.png 1536w\" sizes=\"auto, (max-width: 1806px) 100vw, 1806px\" \/><figcaption id=\"caption-attachment-39280\" class=\"wp-caption-text\">Import SQL l\u00ean phpMyAdmin<\/figcaption><\/figure>\n<h4>c. Kh\u00f4i ph\u1ee5c th\u01b0 m\u1ee5c h\u00ecnh \u1ea3nh (Uploads)<\/h4>\n<ol>\n<li>S\u1eed d\u1ee5ng File Manager c\u1ee7a cPanel \u0111\u1ec3 truy c\u1eadp v\u00e0o th\u01b0 m\u1ee5c: <code>\/public_html\/wp-content\/<\/code>.<\/li>\n<li>T\u1ea1i \u0111\u00e2y, b\u1ea1n s\u1ebd th\u1ea5y th\u01b0 m\u1ee5c <code>uploads<\/code> m\u1eb7c \u0111\u1ecbnh c\u1ee7a WordPress m\u1edbi (th\u01b0\u1eddng ch\u1ec9 ch\u1ee9a v\u00e0i file m\u1eabu). H\u00e3y x\u00f3a n\u00f3 \u0111i ho\u1eb7c \u0111\u1ed5i t\u00ean.<\/li>\n<li>Nh\u1ea5n n\u00fat <strong>Upload<\/strong> v\u00e0 t\u1ea3i l\u00ean file n\u00e9n <code>uploads.zip<\/code> (\u0111\u00e3 l\u00e0m s\u1ea1ch) t\u1eeb m\u00e1y t\u00ednh.<\/li>\n<li>Sau khi t\u1ea3i xong, click chu\u1ed9t ph\u1ea3i v\u00e0o file zip v\u00e0 ch\u1ecdn <strong>Extract (Gi\u1ea3i n\u00e9n)<\/strong>.<\/li>\n<li>Ki\u1ec3m tra l\u1ea1i \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ea3nh n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed: <code>\/wp-content\/uploads\/n\u0103m\/th\u00e1ng\/t\u00ean-\u1ea3nh.jpg<\/code>.<\/li>\n<\/ol>\n<figure id=\"attachment_39281\" aria-describedby=\"caption-attachment-39281\" style=\"width: 1138px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39281\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Khoi-phuc-thu-muc-hinh-anh-Uploads.png\" alt=\"Kh\u00f4i ph\u1ee5c th\u01b0 m\u1ee5c h\u00ecnh \u1ea3nh (Uploads)\" width=\"1138\" height=\"593\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Khoi-phuc-thu-muc-hinh-anh-Uploads.png 1138w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Khoi-phuc-thu-muc-hinh-anh-Uploads-300x156.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Khoi-phuc-thu-muc-hinh-anh-Uploads-1024x534.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Khoi-phuc-thu-muc-hinh-anh-Uploads-768x400.png 768w\" sizes=\"auto, (max-width: 1138px) 100vw, 1138px\" \/><figcaption id=\"caption-attachment-39281\" class=\"wp-caption-text\">Kh\u00f4i ph\u1ee5c th\u01b0 m\u1ee5c h\u00ecnh \u1ea3nh (Uploads)<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"4-Cai-dat-lai-Plugin-va-Theme\"><\/span>4. C\u00e0i \u0111\u1eb7t l\u1ea1i Plugin v\u00e0 Theme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc c\u1ea7n s\u1ef1 k\u1ef7 lu\u1eadt cao. B\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t l\u1ea1i <a href=\"https:\/\/interdata.vn\/blog\/theme-la-gi\/\">theme<\/a> v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/plugin-la-gi\/\">plugin<\/a> t\u1eeb \u0111\u1ea7u:<\/p>\n<ul>\n<li><strong>V\u1edbi Theme\/Plugin mi\u1ec5n ph\u00ed:<\/strong> Ch\u1ec9 t\u1ea3i tr\u1ef1c ti\u1ebfp t\u1eeb kho WordPress.org trong Dashboard.<\/li>\n<li><strong>V\u1edbi Theme\/Plugin tr\u1ea3 ph\u00ed:<\/strong> \u0110\u0103ng nh\u1eadp v\u00e0o trang ch\u1ee7 c\u1ee7a nh\u00e0 ph\u00e1t tri\u1ec3n (v\u00ed d\u1ee5: Themeforest, Elementor&#8230;) \u0111\u1ec3 t\u1ea3i b\u1ea3n m\u1edbi nh\u1ea5t.<\/li>\n<\/ul>\n<div class=\"warning-box\"><strong>C\u1ea2NH B\u00c1O V\u1ec0 PLUGIN NULLED:<\/strong> Theo b\u00e1o c\u00e1o t\u1eeb Wordfence, h\u01a1n <strong>20%<\/strong> c\u00e1c v\u1ee5 hack website WordPress c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng Plugin ho\u1eb7c Theme &#8220;Nulled&#8221; (b\u1ebb kh\u00f3a, l\u1eadu). C\u00e1c phi\u00ean b\u1ea3n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c hacker ch\u1ee7 \u0111\u1ed9ng c\u00e0i s\u1eb5n Backdoor (c\u1eeda h\u1eadu) tr\u01b0\u1edbc khi chia s\u1ebb mi\u1ec5n ph\u00ed. Tuy\u1ec7t \u0111\u1ed1i <strong>KH\u00d4NG<\/strong> c\u00e0i l\u1ea1i c\u00e1c file zip c\u0169 l\u01b0u tr\u00ean m\u00e1y, h\u00e3y t\u1ea3i m\u1edbi ho\u00e0n to\u00e0n b\u1ea3n ch\u00ednh h\u00e3ng (Original).<\/div>\n<figure id=\"attachment_39251\" aria-describedby=\"caption-attachment-39251\" style=\"width: 1895px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39251\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository.png\" alt=\"C\u00e0i l\u1ea1i plugin t\u1eeb WordPress Plugin Repository\" width=\"1895\" height=\"911\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository.png 1895w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository-300x144.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository-1024x492.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository-768x369.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cai-lai-plugin-tu-WordPress-Plugin-Repository-1536x738.png 1536w\" sizes=\"auto, (max-width: 1895px) 100vw, 1895px\" \/><figcaption id=\"caption-attachment-39251\" class=\"wp-caption-text\">C\u00e0i l\u1ea1i plugin t\u1eeb WordPress Plugin Repository<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"5-Thiet-lap-lai-wp-configphp-an-toan\"><\/span>5. Thi\u1ebft l\u1eadp l\u1ea1i wp-config.php an to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed5i t\u00ean file <code>wp-config-sample.php<\/code> th\u00e0nh <code>wp-config.php<\/code>. Sau \u0111\u00f3, m\u1edf file n\u00e0y l\u00ean v\u00e0 \u0111i\u1ec1n th\u00f4ng tin k\u1ebft n\u1ed1i (DB Name, User, Password) c\u1ee7a <strong>Database M\u1edaI<\/strong> m\u00e0 b\u1ea1n v\u1eeba t\u1ea1o \u1edf B\u01b0\u1edbc 3.3.a. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng s\u1eed d\u1ee5ng th\u00f4ng tin c\u1ee7a Database c\u0169.<\/p>\n<figure id=\"attachment_39283\" aria-describedby=\"caption-attachment-39283\" style=\"width: 977px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39283\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cap-nhat-lai-thong-tin-wp-config.png\" alt=\"C\u1eadp nh\u1eadt l\u1ea1i th\u00f4ng tin wp-config\" width=\"977\" height=\"895\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cap-nhat-lai-thong-tin-wp-config.png 977w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cap-nhat-lai-thong-tin-wp-config-300x275.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cap-nhat-lai-thong-tin-wp-config-768x704.png 768w\" sizes=\"auto, (max-width: 977px) 100vw, 977px\" \/><figcaption id=\"caption-attachment-39283\" class=\"wp-caption-text\">C\u1eadp nh\u1eadt l\u1ea1i th\u00f4ng tin wp-config<\/figcaption><\/figure>\n<h4>Thay \u0111\u1ed5i Database Prefix (Ti\u1ec1n t\u1ed1)<\/h4>\n<p>Ti\u1ec1n t\u1ed1 m\u1eb7c \u0111\u1ecbnh c\u1ee7a WordPress th\u01b0\u1eddng l\u00e0 <code>wp_<\/code>. Hacker th\u01b0\u1eddng l\u1ee3i d\u1ee5ng \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 t\u1ea5n c\u00f4ng v\u00e0o c\u00e1c b\u1ea3ng m\u1eb7c \u0111\u1ecbnh.<\/p>\n<div class=\"note-box\">\n<p><span style=\"color: #ff6600;\"><strong>L\u01afU \u00dd QUAN TR\u1eccNG:<\/strong><\/span> Gi\u00e1 tr\u1ecb n\u00e0y ph\u1ea3i kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi ti\u1ec1n t\u1ed1 c\u1ee7a c\u00e1c b\u1ea3ng \u0111ang c\u00f3 trong Database (b\u1ea1n c\u00f3 th\u1ec3 xem trong phpMyAdmin).<\/p>\n<ul>\n<li><strong>C\u00e1ch an to\u00e0n nh\u1ea5t (Khuy\u00ean d\u00f9ng):<\/strong> H\u00e3y nh\u1eadp \u0111\u00fang ti\u1ec1n t\u1ed1 c\u0169 (th\u01b0\u1eddng l\u00e0 <code>wp_<\/code>) v\u00e0o file config \u0111\u1ec3 website ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i tr\u01b0\u1edbc. Sau \u0111\u00f3 \u1edf <strong>B\u01b0\u1edbc 5<\/strong>, b\u1ea1n h\u00e3y d\u00f9ng plugin b\u1ea3o m\u1eadt (nh\u01b0 iThemes Security ho\u1eb7c AIOWPS) \u0111\u1ec3 \u0111\u1ed5i ti\u1ec1n t\u1ed1 t\u1ef1 \u0111\u1ed9ng. C\u00e1ch n\u00e0y an to\u00e0n v\u00e0 tr\u00e1nh l\u1ed7i.<\/li>\n<li><strong>C\u00e1ch th\u1ee7 c\u00f4ng (N\u00e2ng cao):<\/strong> N\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1ed5i ngay b\u00e2y gi\u1edd (v\u00ed d\u1ee5 th\u00e0nh <code>wp_a1b2_<\/code>), b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i v\u00e0o phpMyAdmin v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u1ed5i t\u00ean (Rename) cho <strong>t\u1eebng b\u1ea3ng m\u1ed9t<\/strong> (t\u1eeb <code>wp_options<\/code> \u2192 <code>wp_a1b2_options<\/code>, v.v.). N\u1ebfu kh\u00f4ng \u0111\u1ed3ng b\u1ed9, website s\u1ebd kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<\/div>\n<pre><code class=\"language-plaintext\">$table_prefix = 'wp_'; \/\/ \u0110i\u1ec1n \u0111\u00fang v\u1edbi ti\u1ec1n t\u1ed1 hi\u1ec7n t\u1ea1i trong Database c\u1ee7a b\u1ea1n<\/code><\/pre>\n<h4>C\u1eadp nh\u1eadt Security Keys (SALT Keys)<\/h4>\n<p>Hacker c\u00f3 th\u1ec3 v\u1eabn \u0111ang gi\u1eef cookie \u0111\u0103ng nh\u1eadp c\u1ee7a b\u1ea1n. Vi\u1ec7c \u0111\u1ed5i Salt Keys s\u1ebd v\u00f4 hi\u1ec7u h\u00f3a t\u1ea5t c\u1ea3 c\u00e1c phi\u00ean \u0111\u0103ng nh\u1eadp hi\u1ec7n t\u1ea1i, bu\u1ed9c m\u1ecdi user (bao g\u1ed3m c\u1ea3 hacker) ph\u1ea3i \u0111\u0103ng xu\u1ea5t.<\/p>\n<p>Truy c\u1eadp: <a href=\"https:\/\/api.wordpress.org\/secret-key\/1.1\/salt\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/api.wordpress.org\/secret-key\/1.1\/salt\/<\/a> \u0111\u1ec3 l\u1ea5y b\u1ed9 key ng\u1eabu nhi\u00ean m\u1edbi v\u00e0 d\u00e1n \u0111\u00e8 v\u00e0o ph\u1ea7n t\u01b0\u01a1ng \u1ee9ng trong <code>wp-config.php<\/code>.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 v\u00ed d\u1ee5 v\u1ec1 giao di\u1ec7n b\u1ea1n s\u1ebd th\u1ea5y (L\u01b0u \u00fd: \u0110\u00e2y ch\u1ec9 l\u00e0 v\u00ed d\u1ee5 minh h\u1ecda, h\u00e3y copy m\u00e3 t\u1eeb trang web generator \u0111\u1ec3 c\u00f3 b\u1ed9 kh\u00f3a ng\u1eabu nhi\u00ean v\u00e0 b\u1ea3o m\u1eadt nh\u1ea5t):<\/p>\n<pre><code class=\"language-plaintext\">define('AUTH_KEY',         'ciPmo2%_Ae~aSzuLC-x|N*ik]]h7\/EX5~TKnA6Fhu;O4++pc;?bRe&amp;t[0(\/OOu+h');\r\ndefine('SECURE_AUTH_KEY',  '+pyuFeO`nP0_jHLok- cd#}4`hD_A&gt;dH0@\/&amp;A7J^v[v?ZH,yQurcmg2bY#,[Tiy7');\r\ndefine('LOGGED_IN_KEY',    'Wa`@:4kz!f_{!!~Sl\/61+fh.vG14;SJgL;f n nbK%~-$7)y+|fN^z=Rs~0Thy6L');\r\ndefine('NONCE_KEY',        'gRly+&amp;+s5F$Pl_VEzKHhWWt)TA$xcAa5Ck9H7y3~ on]p9tcX9i38|j`%CwVg7Y(');\r\ndefine('AUTH_SALT',        'aUY+|+;7b$=:1G[d8JN@&amp;^g6PD6SovFqg:krbz4SD*D[vv!a&lt; ;FBg-D_aU[)Qk+');\r\ndefine('SECURE_AUTH_SALT', 'YuR8FEs9@f+)(K~35yeJj\/X`!#O7*4&lt;D)tKBRHKCyH?rx.|A|n&lt;e]{fXe-[N=E&amp;+');\r\ndefine('LOGGED_IN_SALT',   'Bb?+ivV8-5T{urhO;rAe*E?,Y\/TG[[}o_j9cXzzk`4~&amp;0h%E \/|EI,B~f_x_ZcUF');\r\ndefine('NONCE_SALT',       ' +!V+|!B3#&gt;q29#,_vt;M*D?ezUL+|YKo8JO-)`47_%P=@[4MRpF|s:EbVT&lt;y8u7');<\/code><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-4-Quet-lai-toan-bo-website-Rescan\"><\/span>B\u01b0\u1edbc 4: Qu\u00e9t l\u1ea1i to\u00e0n b\u1ed9 website (Rescan)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi website \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng tr\u1edf l\u1ea1i, \u0111\u1eebng ch\u1ee7 quan. H\u00e3y th\u1ef1c hi\u1ec7n qu\u00e9t to\u00e0n di\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f2n t\u00e0n d\u01b0 n\u00e0o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cong-cu-tich-hop-tren-Hosting\"><\/span>C\u00f4ng c\u1ee5 t\u00edch h\u1ee3p tr\u00ean Hosting<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng Hosting t\u1ea1i InterData ho\u1eb7c c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn, th\u01b0\u1eddng s\u1ebd c\u00f3 s\u1eb5n <strong>Imunify360<\/strong>. H\u00e3y truy c\u1eadp cPanel, t\u00ecm Imunify360 v\u00e0 b\u1eadt t\u00ednh n\u0103ng &#8220;Proactive Defense&#8221; (Ph\u00f2ng v\u1ec7 ch\u1ee7 \u0111\u1ed9ng) l\u00ean m\u1ee9c Kill mode \u0111\u1ec3 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng ch\u1eb7n c\u00e1c script \u0111\u1ed9c h\u1ea1i.<\/p>\n<figure id=\"attachment_39254\" aria-describedby=\"caption-attachment-39254\" style=\"width: 1696px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39254\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360.png\" alt=\"Imunify360\" width=\"1696\" height=\"693\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360.png 1696w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360-300x123.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360-1024x418.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360-768x314.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Imunify360-1536x628.png 1536w\" sizes=\"auto, (max-width: 1696px) 100vw, 1696px\" \/><figcaption id=\"caption-attachment-39254\" class=\"wp-caption-text\">Imunify360<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Plugin-quet-ma-doc-chuyen-dung\"><\/span>Plugin qu\u00e9t m\u00e3 \u0111\u1ed9c chuy\u00ean d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/wordfence\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Wordfence Security<\/strong><\/a><strong>:<\/strong> Plugin ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u1ebf gi\u1edbi. H\u00e3y c\u00e0i \u0111\u1eb7t v\u00e0 ch\u1ea1y t\u00ednh n\u0103ng &#8220;Scan&#8221;. V\u00e0o ph\u1ea7n <i>Scan Options<\/i>, b\u1eadt ch\u1ebf \u0111\u1ed9 <strong>&#8220;High Sensitivity&#8221;<\/strong> \u0111\u1ec3 qu\u00e9t s\u00e2u h\u01a1n.<\/li>\n<li><a href=\"https:\/\/wordpress.org\/plugins\/gotmls\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Anti-Malware Security (GOTMLS)<\/strong><\/a><strong>:<\/strong> Giao di\u1ec7n h\u01a1i c\u0169 nh\u01b0ng c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c t\u00ecm di\u1ec7t c\u00e1c d\u00f2ng m\u00e3 \u0111\u1ed9c m\u1edbi (Known Threats).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Cong-cu-kiem-tra-online\"><\/span>C\u00f4ng c\u1ee5 ki\u1ec3m tra online<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1eed d\u1ee5ng <a href=\"https:\/\/sitecheck.sucuri.net\/\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Sucuri SiteCheck<\/strong><\/a> ho\u1eb7c <a href=\"https:\/\/www.virustotal.com\/gui\/home\/upload\" target=\"_blank\" rel=\"noopener\"><strong>VirusTotal<\/strong><\/a> d\u00e1n URL website v\u00e0o \u0111\u1ec3 ki\u1ec3m tra xem website c\u00f2n n\u1eb1m trong danh s\u00e1ch \u0111en (Blacklist) c\u1ee7a c\u00e1c h\u00e3ng b\u1ea3o m\u1eadt nh\u01b0 McAfee, Google, Norton hay kh\u00f4ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Buoc-5-Bao-mat-cho-website-WordPress\"><\/span>B\u01b0\u1edbc 5: B\u1ea3o m\u1eadt cho website WordPress<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8220;Ph\u00f2ng b\u1ec7nh h\u01a1n ch\u1eefa b\u1ec7nh&#8221;. Sau khi website \u0111\u00e3 s\u1ea1ch, h\u00e3y d\u1ef1ng ngay c\u00e1c h\u00e0ng r\u00e0o b\u1ea3o v\u1ec7.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Thay-doi-toan-bo-thong-tin-dang-nhap\"><\/span>1. Thay \u0111\u1ed5i to\u00e0n b\u1ed9 th\u00f4ng tin \u0111\u0103ng nh\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t l\u1ea7n n\u1eefa, h\u00e3y ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 \u0111\u1ed5i t\u1ea5t c\u1ea3 m\u1eadt kh\u1ea9u sang lo\u1ea1i m\u1eadt kh\u1ea9u m\u1ea1nh (tr\u00ean 12 k\u00fd t\u1ef1, bao g\u1ed3m ch\u1eef hoa, th\u01b0\u1eddng, s\u1ed1 v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t):<\/p>\n<ul>\n<li>M\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n Admin WordPress.<\/li>\n<li>M\u1eadt kh\u1ea9u Database User.<\/li>\n<li>M\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb Hosting.<\/li>\n<\/ul>\n<div class=\"note-box\"><span style=\"color: #ff6600;\"><strong>Khuy\u1ebfn ngh\u1ecb:<\/strong><\/span> B\u1eadt x\u00e1c th\u1ef1c 2 b\u01b0\u1edbc (2FA) cho trang \u0111\u0103ng nh\u1eadp wp-admin. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng plugin Wordfence \u0111\u1ec3 k\u00edch ho\u1ea1t t\u00ednh n\u0103ng n\u00e0y.<\/div>\n<h3><span class=\"ez-toc-section\" id=\"2-Cau-hinh-phan-quyen-file-File-Permissions\"><\/span>2. C\u1ea5u h\u00ecnh ph\u00e2n quy\u1ec1n file (File Permissions)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>S\u1eed d\u1ee5ng File Manager \u0111\u1ec3 ki\u1ec3m tra quy\u1ec1n truy c\u1eadp (CHMOD):<\/p>\n<ul>\n<li><strong>Th\u01b0 m\u1ee5c (Folders):<\/strong> <code>755<\/code><\/li>\n<li><strong>T\u1ec7p tin (Files):<\/strong> <code>644<\/code><\/li>\n<li><strong>File wp-config.php:<\/strong> N\u00ean set ch\u1eb7t h\u01a1n l\u00e0 <code>440<\/code> ho\u1eb7c <code>400<\/code> \u0111\u1ec3 ng\u0103n ng\u01b0\u1eddi kh\u00e1c \u0111\u1ecdc n\u1ed9i dung file n\u00e0y.<\/li>\n<\/ul>\n<figure id=\"attachment_39255\" aria-describedby=\"caption-attachment-39255\" style=\"width: 1286px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-39255\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cau-hinh-phan-quyen-file.png\" alt=\"C\u1ea5u h\u00ecnh ph\u00e2n quy\u1ec1n file\" width=\"1286\" height=\"895\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cau-hinh-phan-quyen-file.png 1286w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cau-hinh-phan-quyen-file-300x209.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cau-hinh-phan-quyen-file-1024x713.png 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/02\/Cau-hinh-phan-quyen-file-768x534.png 768w\" sizes=\"auto, (max-width: 1286px) 100vw, 1286px\" \/><figcaption id=\"caption-attachment-39255\" class=\"wp-caption-text\">C\u1ea5u h\u00ecnh ph\u00e2n quy\u1ec1n file<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"3-Cau-hinh-htaccess-chong-chay-file-la\"><\/span>3. C\u1ea5u h\u00ecnh .htaccess ch\u1ed1ng ch\u1ea1y file l\u1ea1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 ng\u0103n ch\u1eb7n hacker upload file PHP v\u00e0o th\u01b0 m\u1ee5c uploads v\u00e0 k\u00edch ho\u1ea1t n\u00f3, h\u00e3y t\u1ea1o m\u1ed9t file <code>.htaccess<\/code> trong th\u01b0 m\u1ee5c <code>\/wp-content\/uploads\/<\/code> v\u1edbi n\u1ed9i dung sau:<\/p>\n<pre><code class=\"language-plaintext\">&lt;Files *.php&gt;\r\ndeny from all\r\n&lt;\/Files&gt;<\/code><\/pre>\n<p>\u0110o\u1ea1n code n\u00e0y s\u1ebd ch\u1eb7n vi\u1ec7c th\u1ef1c thi b\u1ea5t k\u1ef3 file <code>.php<\/code> n\u00e0o n\u1eb1m trong th\u01b0 m\u1ee5c h\u00ecnh \u1ea3nh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Cai-plugin-bao-mat-thuong-truc\"><\/span>4. C\u00e0i plugin b\u1ea3o m\u1eadt th\u01b0\u1eddng tr\u1ef1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng r\u00e0nh k\u1ef9 thu\u1eadt, h\u00e3y c\u00e0i \u0111\u1eb7t <strong>All-in-One WP Security &amp; Firewall<\/strong> ho\u1eb7c <strong>iThemes Security<\/strong>. C\u00e1c plugin n\u00e0y cung c\u1ea5p giao di\u1ec7n tr\u1ef1c quan \u0111\u1ec3 kh\u00f3a IP t\u1ea5n c\u00f4ng, \u0111\u1ed5i \u0111\u01b0\u1eddng d\u1eabn \u0111\u0103ng nh\u1eadp (thay v\u00ec \/wp-admin), v\u00e0 t\u01b0\u1eddng l\u1eeda c\u01a1 b\u1ea3n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-luu-y-de-tranh-tai-nhiem-ma-doc\"><\/span>Nh\u1eefng l\u01b0u \u00fd \u0111\u1ec3 tr\u00e1nh t\u00e1i nhi\u1ec5m m\u00e3 \u0111\u1ed9c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ngo\u00e0i c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt n\u00eau tr\u00ean, trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh website l\u00e2u d\u00e0i, b\u1ea1n c\u1ea7n tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 4 nguy\u00ean t\u1eafc sau \u0111\u1ec3 tr\u00e1nh s\u1ef1 c\u1ed1 ph\u00e1t sinh l\u1ea1i:<\/p>\n<ol>\n<li><strong>S\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m b\u1ea3n quy\u1ec1n:<\/strong> Ch\u1ec9 s\u1eed d\u1ee5ng Core, Plugin, Theme b\u1ea3n quy\u1ec1n ho\u1eb7c mi\u1ec5n ph\u00ed t\u1eeb nh\u00e0 cung c\u1ea5p ch\u00ednh ch\u1ee7 (WordPress.org, Themeforest&#8230;). Tuy\u1ec7t \u0111\u1ed1i <strong>KH\u00d4NG<\/strong> c\u00e0i b\u1ea3n share, b\u1ea3n nulled t\u1eeb b\u1ea5t c\u1ee9 ngu\u1ed3n kh\u00f4ng x\u00e1c \u0111\u1ecbnh n\u00e0o kh\u00e1c.<\/li>\n<li><strong>Lu\u00f4n c\u1eadp nh\u1eadt (Update):<\/strong> Lu\u00f4n s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a WordPress, Theme v\u00e0 Plugin. C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt th\u01b0\u1eddng ch\u1ee9a c\u00e1c b\u1ea3n v\u00e1 l\u1ed7i b\u1ea3o m\u1eadt quan tr\u1ecdng.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u ch\u1eb7t ch\u1ebd:<\/strong> S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u Admin m\u1ea1nh (bao g\u1ed3m ch\u1eef hoa, th\u01b0\u1eddng, s\u1ed1, k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t), thay \u0111\u1ed5i \u0111\u1ecbnh k\u1ef3 v\u00e0 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1ec3 l\u1ed9 cho ng\u01b0\u1eddi kh\u00f4ng c\u00f3 ph\u1eadn s\u1ef1.<\/li>\n<li><strong>C\u00e1ch ly m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n:<\/strong> <strong>Kh\u00f4ng c\u00e0i \u0111\u1eb7t c\u00e1c website test, demo<\/strong> v\u1edbi m\u1eadt kh\u1ea9u y\u1ebfu ho\u1eb7c m\u00e3 ngu\u1ed3n kh\u00f4ng an to\u00e0n tr\u00ean c\u00f9ng m\u1ed9t g\u00f3i Hosting v\u1edbi website ch\u00ednh. Vi\u1ec7c n\u00e0y gi\u00fap tr\u00e1nh r\u1ee7i ro &#8220;l\u00e2y nhi\u1ec5m ch\u00e9o&#8221; (Cross-site contamination) t\u1eeb web test sang web ch\u00ednh.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cau-hoi-thuong-gap-FAQs\"><\/span>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQs)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Q1-Lam-sao-biet-chinh-xac-plugin-nao-gay-ra-ma-doc\"><\/span>Q1: L\u00e0m sao bi\u1ebft ch\u00ednh x\u00e1c plugin n\u00e0o g\u00e2y ra m\u00e3 \u0111\u1ed9c?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>A:<\/strong> R\u1ea5t kh\u00f3 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c n\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 log (nh\u1eadt k\u00fd) server chi ti\u1ebft. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng Wordfence \u0111\u1ec3 xem ng\u00e0y s\u1eeda \u0111\u1ed5i file (Modified date). N\u1ebfu file plugin b\u1ecb s\u1eeda \u0111\u1ed5i v\u00e0o th\u1eddi \u0111i\u1ec3m website b\u1eaft \u0111\u1ea7u l\u1ed7i, \u0111\u00f3 l\u00e0 nghi ph\u1ea1m ch\u00ednh. Plugin b\u1ecb b\u1ecf hoang (kh\u00f4ng update &gt; 1 n\u0103m) th\u01b0\u1eddng l\u00e0 m\u1ee5c ti\u00eau d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q2-Co-nen-tra-tien-cho-cac-dich-vu-go-ma-doc-nhu-Sucuri-khong\"><\/span>Q2: C\u00f3 n\u00ean tr\u1ea3 ti\u1ec1n cho c\u00e1c d\u1ecbch v\u1ee5 g\u1ee1 m\u00e3 \u0111\u1ed9c (nh\u01b0 Sucuri) kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>A:<\/strong> C\u00f3, n\u1ebfu b\u1ea1n kh\u00f4ng r\u00e0nh k\u1ef9 thu\u1eadt ho\u1eb7c website c\u1ee7a b\u1ea1n l\u00e0 trang th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed t\u1ea1o ra doanh thu l\u1edbn m\u1ed7i ng\u00e0y. Chi ph\u00ed d\u1ecbch v\u1ee5 th\u01b0\u1eddng t\u1eeb $199\/n\u0103m, nh\u01b0ng h\u1ecd cam k\u1ebft b\u1ea3o h\u00e0nh v\u00e0 x\u1eed l\u00fd nhanh ch\u00f3ng. N\u1ebfu ng\u00e2n s\u00e1ch h\u1ea1n h\u1eb9p, h\u00e3y l\u00e0m theo h\u01b0\u1edbng d\u1eabn n\u00e0y c\u1ee7a InterData.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q3-Tai-sao-toi-da-xoa-ma-doc-nhung-vai-ngay-sau-lai-bi-lai\"><\/span>Q3: T\u1ea1i sao t\u00f4i \u0111\u00e3 x\u00f3a m\u00e3 \u0111\u1ed9c nh\u01b0ng v\u00e0i ng\u00e0y sau l\u1ea1i b\u1ecb l\u1ea1i?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>A:<\/strong> \u0110\u00e2y l\u00e0 t\u00ecnh tr\u1ea1ng &#8220;T\u00e1i nhi\u1ec5m&#8221; (Re-infection). Nguy\u00ean nh\u00e2n th\u01b0\u1eddng do:<\/p>\n<ol>\n<li>Ch\u01b0a v\u00e1 l\u1ed7 h\u1ed5ng (Backdoor) g\u1ed1c: B\u1ea1n x\u00f3a file \u0111\u1ed9c nh\u01b0ng ch\u01b0a x\u00f3a file backdoor b\u1ecb hacker gi\u1ea5u k\u1ef9.<\/li>\n<li>Ch\u01b0a \u0111\u1ed5i m\u1eadt kh\u1ea9u ho\u1eb7c ch\u01b0a logout c\u00e1c phi\u00ean \u0111\u0103ng nh\u1eadp c\u0169 (ch\u01b0a \u0111\u1ed5i Salt Keys).<\/li>\n<li>V\u1eabn ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng theme\/plugin nulled.<\/li>\n<li>Website kh\u00e1c tr\u00ean c\u00f9ng hosting b\u1ecb nhi\u1ec5m v\u00e0 l\u00e2y lan sang (Cross-site contamination) &#8211; tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c g\u00f3i hosting gi\u00e1 r\u1ebb kh\u00f4ng ph\u00e2n v\u00f9ng t\u1ed1t.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"Q4-Web-bi-Google-canh-bao-do-thi-bao-lau-moi-het\"><\/span>Q4: Web b\u1ecb Google c\u1ea3nh b\u00e1o \u0111\u1ecf th\u00ec bao l\u00e2u m\u1edbi h\u1ebft?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>A:<\/strong> Sau khi b\u1ea1n ch\u1eafc ch\u1eafn website \u0111\u00e3 s\u1ea1ch, h\u00e3y truy c\u1eadp Google Search Console, v\u00e0o m\u1ee5c <strong>Security &amp; Manual Actions (B\u1ea3o m\u1eadt &amp; T\u00e1c v\u1ee5 th\u1ee7 c\u00f4ng)<\/strong> -&gt; <strong>Security issues<\/strong> v\u00e0 nh\u1ea5n n\u00fat <strong>Request Review (Y\u00eau c\u1ea7u xem x\u00e9t l\u1ea1i)<\/strong>. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng m\u1ea5t t\u1eeb 24 \u0111\u1ebfn 72 gi\u1edd \u0111\u1ec3 Google qu\u00e9t l\u1ea1i v\u00e0 g\u1ee1 b\u1ecf c\u1ea3nh b\u00e1o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q5-Database-co-chua-ma-doc-khong\"><\/span>Q5: Database c\u00f3 ch\u1ee9a m\u00e3 \u0111\u1ed9c kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>A:<\/strong> C\u00f3. Hacker ng\u00e0y c\u00e0ng th\u00f4ng minh h\u01a1n. Ch\u00fang kh\u00f4ng ch\u1ec9 upload file m\u00e0 c\u00f2n ch\u00e8n c\u00e1c \u0111o\u1ea1n m\u00e3 JavaScript \u0111\u1ed9c h\u1ea1i v\u00e0o n\u1ed9i dung b\u00e0i vi\u1ebft (b\u1ea3ng <code>wp_posts<\/code>) ho\u1eb7c t\u1ea1o user admin \u1ea9n (b\u1ea3ng <code>wp_users<\/code>). Do \u0111\u00f3, l\u00e0m s\u1ea1ch Database l\u00e0 b\u01b0\u1edbc b\u1eaft bu\u1ed9c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket-luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>X\u1eed l\u00fd m\u00e3 \u0111\u1ed9c WordPress l\u00e0 m\u1ed9t cu\u1ed9c chi\u1ebfn kh\u00f4ng khoan nh\u01b0\u1ee3ng. Kh\u00f4ng c\u00f3 website n\u00e0o an to\u00e0n 100%, ch\u1ec9 c\u00f3 website \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec v\u00e0 gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean. Quy tr\u00ecnh 5 b\u01b0\u1edbc n\u00eau tr\u00ean c\u1ee7a <strong>InterData<\/strong> tuy t\u1ed1n th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c (\u0111\u1eb7c bi\u1ec7t l\u00e0 b\u01b0\u1edbc c\u00e0i m\u1edbi) nh\u01b0ng l\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3 nh\u1ea5t \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n s\u1ed1 c\u1ee7a b\u1ea1n.<\/p>\n<p>\u0110\u1eebng qu\u00ean thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 sao l\u01b0u t\u1ef1 \u0111\u1ed9ng (Backup) h\u00e0ng ng\u00e0y b\u1eb1ng c\u00e1c plugin nh\u01b0 <strong>UpdraftPlus<\/strong> ho\u1eb7c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 Hosting ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 s\u1eb5n backup \u0111\u1ecbnh k\u1ef3 t\u1ea1i InterData. Khi c\u00f3 b\u1ea3n backup s\u1ea1ch trong tay, b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd ph\u1ea3i ho\u1ea3ng s\u1ee3 tr\u01b0\u1edbc b\u1ea5t k\u1ef3 cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0o.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ban-can-ho-tro-khan-cap\"><\/span>B\u1ea1n c\u1ea7n h\u1ed7 tr\u1ee3 kh\u1ea9n c\u1ea5p?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 t\u1ea1i InterData v\u00e0 g\u1eb7p kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i.<\/p>\n<p><strong>Li\u00ean h\u1ec7 InterData ngay<\/strong><\/p>\n<p><strong>\u2013 WEBSITE: <\/strong><a href=\"https:\/\/interdata.vn\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>interdata.vn<\/strong><\/a><\/p>\n<p><strong>\u2013 HOTLINE: <\/strong><a href=\"tel:1900636822\"><strong>1900636822<\/strong><\/a><\/p>\n<p><strong>\u2013 FANPAGE: <\/strong><a href=\"https:\/\/facebook.com\/interdata.com.vn\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>facebook.com\/interdata.com.vn<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00f4ng tin t\u1ed5ng quan: X\u1eed l\u00fd m\u00e3 \u0111\u1ed9c website WordPress l\u00e0 quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u1eb1m ph\u00e1t hi\u1ec7n, c\u00f4 l\u1eadp v\u00e0 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c t\u1ec7p tin \u0111\u1ed9c h\u1ea1i (malware, backdoor, shell) v\u00e0 v\u00e1 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u1ec3 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a website. Thay v\u00ec ch\u1ec9 c\u1ed1<\/p>\n","protected":false},"author":2,"featured_media":39244,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-39276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-website"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=39276"}],"version-history":[{"count":11,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39276\/revisions"}],"predecessor-version":[{"id":39297,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/39276\/revisions\/39297"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=39276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=39276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=39276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}