{"id":23976,"date":"2026-09-22T03:01:15","date_gmt":"2026-09-22T00:01:15","guid":{"rendered":"https:\/\/www.cenuta.com\/blog\/?p=23976"},"modified":"2026-09-22T03:01:17","modified_gmt":"2026-09-22T00:01:17","slug":"web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026","status":"publish","type":"post","link":"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/","title":{"rendered":"Web Sitesi Vir\u00fcs Temizleme Nas\u0131l Yap\u0131l\u0131r? Malware ve K\u00f6t\u00fc Ama\u00e7l\u0131 Yaz\u0131l\u0131mlardan Kesin Kurtulma Rehberi (2026)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6ab93eba306b8\" class=\"ez-toc-cssicon-toggle-label\"><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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6ab93eba306b8\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Giris_Dijital_Kabusla_Yuzlesmek_ve_Kontrolu_Geri_Almak\" title=\"Giri\u015f: Dijital K\u00e2busla Y\u00fczle\u015fmek ve Kontrol\u00fc Geri Almak\">Giri\u015f: Dijital K\u00e2busla Y\u00fczle\u015fmek ve Kontrol\u00fc Geri Almak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_1_Dusmani_Tanimak_Virusler_Web_Sitelerine_Nasil_Sizar\" title=\"B\u00f6l\u00fcm 1: D\u00fc\u015fman\u0131 Tan\u0131mak: Vir\u00fcsler Web Sitelerine Nas\u0131l S\u0131zar?\">B\u00f6l\u00fcm 1: D\u00fc\u015fman\u0131 Tan\u0131mak: Vir\u00fcsler Web Sitelerine Nas\u0131l S\u0131zar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_2_Virus_Bulasmasinin_Temel_Belirtileri\" title=\"B\u00f6l\u00fcm 2: Vir\u00fcs Bula\u015fmas\u0131n\u0131n Temel Belirtileri\">B\u00f6l\u00fcm 2: Vir\u00fcs Bula\u015fmas\u0131n\u0131n Temel Belirtileri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_3_Karantina_Yedekleme_ve_Hazirlik_Ilk_Yardim\" title=\"B\u00f6l\u00fcm 3: Karantina, Yedekleme ve Haz\u0131rl\u0131k (\u0130lk Yard\u0131m)\">B\u00f6l\u00fcm 3: Karantina, Yedekleme ve Haz\u0131rl\u0131k (\u0130lk Yard\u0131m)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_4_Manuel_Web_Sitesi_Virus_Temizleme_Protokolu\" title=\"B\u00f6l\u00fcm 4: Manuel Web Sitesi Vir\u00fcs Temizleme Protokol\u00fc\">B\u00f6l\u00fcm 4: Manuel Web Sitesi Vir\u00fcs Temizleme Protokol\u00fc<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Adim_1_Temiz_Cekirdek_Dosyalarinin_Yuklenmesi\" title=\"Ad\u0131m 1: Temiz \u00c7ekirdek Dosyalar\u0131n\u0131n Y\u00fcklenmesi\">Ad\u0131m 1: Temiz \u00c7ekirdek Dosyalar\u0131n\u0131n Y\u00fcklenmesi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Adim_2_Arka_Kapilarin_Backdoors_Avlanmasi\" title=\"Ad\u0131m 2: Arka Kap\u0131lar\u0131n (Backdoors) Avlanmas\u0131\">Ad\u0131m 2: Arka Kap\u0131lar\u0131n (Backdoors) Avlanmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Adim_3_Temalarin_ve_Eklentilerin_Arindirilmasi\" title=\"Ad\u0131m 3: Temalar\u0131n ve Eklentilerin Ar\u0131nd\u0131r\u0131lmas\u0131\">Ad\u0131m 3: Temalar\u0131n ve Eklentilerin Ar\u0131nd\u0131r\u0131lmas\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Adim_4_Veritabani_Database_Temizligi\" title=\"Ad\u0131m 4: Veritaban\u0131 (Database) Temizli\u011fi\">Ad\u0131m 4: Veritaban\u0131 (Database) Temizli\u011fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Adim_5_htaccess_ve_wp-configphp_Incelemesi\" title=\"Ad\u0131m 5: .htaccess ve wp-config.php \u0130ncelemesi\">Ad\u0131m 5: .htaccess ve wp-config.php \u0130ncelemesi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_5_Temizlik_Sonrasi_Guvenligin_Sikilastirilmasi_Hardening\" title=\"B\u00f6l\u00fcm 5: Temizlik Sonras\u0131 G\u00fcvenli\u011fin S\u0131k\u0131la\u015ft\u0131r\u0131lmas\u0131 (Hardening)\">B\u00f6l\u00fcm 5: Temizlik Sonras\u0131 G\u00fcvenli\u011fin S\u0131k\u0131la\u015ft\u0131r\u0131lmas\u0131 (Hardening)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Bolum_6_Googlein_Kara_Listesinden_Blacklist_Cikmak\" title=\"B\u00f6l\u00fcm 6: Google&#8217;\u0131n Kara Listesinden (Blacklist) \u00c7\u0131kmak\">B\u00f6l\u00fcm 6: Google&#8217;\u0131n Kara Listesinden (Blacklist) \u00c7\u0131kmak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/#Sonuc_Proaktif_Guvenlik_Kulturu_Insa_Etmek\" title=\"Sonu\u00e7: Proaktif G\u00fcvenlik K\u00fclt\u00fcr\u00fc \u0130n\u015fa Etmek\">Sonu\u00e7: Proaktif G\u00fcvenlik K\u00fclt\u00fcr\u00fc \u0130n\u015fa Etmek<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Giris_Dijital_Kabusla_Yuzlesmek_ve_Kontrolu_Geri_Almak\"><\/span>Giri\u015f: Dijital K\u00e2busla Y\u00fczle\u015fmek ve Kontrol\u00fc Geri Almak<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Bir sabah uyand\u0131\u011f\u0131n\u0131zda, y\u0131llarca emek vererek b\u00fcy\u00fctt\u00fc\u011f\u00fcn\u00fcz, arama motorlar\u0131nda \u00fcst s\u0131ralara ta\u015f\u0131d\u0131\u011f\u0131n\u0131z ve organik trafik elde etti\u011finiz web sitenize girdi\u011finizde devasa, k\u0131rm\u0131z\u0131 bir ekranla kar\u015f\u0131la\u015fabilirsiniz: <strong>&#8220;Dikkat! \u00d6n\u00fcn\u00fczdeki site zararl\u0131 yaz\u0131l\u0131m i\u00e7eriyor.&#8221;<\/strong> Ya da sitenizin ana sayfas\u0131ndaki bir ba\u011flant\u0131ya t\u0131klad\u0131\u011f\u0131n\u0131zda, kendinizi bir anda yasa d\u0131\u015f\u0131 bahis sitelerinde, ila\u00e7 reklamlar\u0131n\u0131n ortas\u0131nda bulabilirsiniz. Bu an, her web y\u00f6neticisinin ve dijital varl\u0131k sahibinin en b\u00fcy\u00fck k\u00e2busudur: Web siteniz hacklenmi\u015f ve i\u00e7ine vir\u00fcs (malware) yerle\u015ftirilmi\u015ftir.<\/p>\n\n\n\n<p>2026 y\u0131l\u0131n\u0131n karma\u015f\u0131k siber g\u00fcvenlik ekosisteminde, web sitelerine y\u00f6nelik sald\u0131r\u0131lar art\u0131k manuel olarak, klavye ba\u015f\u0131ndaki bilgisayar korsanlar\u0131 taraf\u0131ndan yap\u0131lm\u0131yor. Tamamen otomatikle\u015ftirilmi\u015f, interneti saniye saniye tarayan ve sistemlerdeki en ufak zafiyeti (vulnerability) affetmeyen geli\u015fmi\u015f bot a\u011flar\u0131 taraf\u0131ndan ger\u00e7ekle\u015ftiriliyor. Hedeflenen \u015fey genellikle sizin ki\u015fisel verileriniz de\u011fil; sunucunuzun i\u015flemci g\u00fcc\u00fcn\u00fc kripto para madencili\u011fi i\u00e7in kullanmak, sitenizin SEO otoritesini spam sitelere y\u00f6nlendirmek (Backlink hijjacking) veya ziyaret\u00e7ilerinizin cihazlar\u0131na fidye yaz\u0131l\u0131mlar\u0131 (Ransomware) bula\u015ft\u0131rmakt\u0131r.<\/p>\n\n\n\n<p>Bir web sitesine vir\u00fcs bula\u015ft\u0131\u011f\u0131nda ya\u015fanan itibar kayb\u0131, arama motorlar\u0131ndaki s\u0131ralama d\u00fc\u015f\u00fc\u015f\u00fc ve ziyaret\u00e7i g\u00fcvensizli\u011fi devasa boyutlara ula\u015f\u0131r. Ancak panik yapmak, genellikle daha b\u00fcy\u00fck hatalara yol a\u00e7ar. Bu derinlemesine, teknik ve ad\u0131m ad\u0131m ilerleyen rehberde; web sitelerine vir\u00fcslerin hangi arka kap\u0131lardan (Backdoor) s\u0131zd\u0131\u011f\u0131n\u0131, enfeksiyonun belirtilerini, dosyalar\u0131n\u0131z\u0131 ve veritaban\u0131n\u0131z\u0131 bu zararl\u0131 kodlardan nas\u0131l tek tek ar\u0131nd\u0131raca\u011f\u0131n\u0131z\u0131 ve en \u00f6nemlisi Google&#8217;\u0131n kara listesinden (Blacklist) nas\u0131l \u00e7\u0131kaca\u011f\u0131n\u0131z\u0131 t\u00fcm \u015feffafl\u0131\u011f\u0131yla inceliyoruz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_1_Dusmani_Tanimak_Virusler_Web_Sitelerine_Nasil_Sizar\"><\/span>B\u00f6l\u00fcm 1: D\u00fc\u015fman\u0131 Tan\u0131mak: Vir\u00fcsler Web Sitelerine Nas\u0131l S\u0131zar?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sitenizi temizlemeye ba\u015flamadan \u00f6nce, zararl\u0131 yaz\u0131l\u0131m\u0131n i\u00e7eriye nas\u0131l girdi\u011fini anlamak zorundas\u0131n\u0131z. Aksi takdirde, temizli\u011fi bitirdikten sadece saatler sonra sisteminiz ayn\u0131 zafiyet \u00fczerinden tekrar hacklenecektir. Siber sald\u0131rganlar\u0131n en \u00e7ok kulland\u0131\u011f\u0131 giri\u015f noktalar\u0131 \u015funlard\u0131r:<\/p>\n\n\n\n<p><strong>1. Korsan (Nulled) Tema ve Eklenti Kullan\u0131m\u0131:<\/strong> \u00dccretli olarak sat\u0131lan premium bir temay\u0131 veya eklentiyi, internetten &#8220;\u00fccretsiz&#8221; bularak indirmek, dijital d\u00fcnyada yap\u0131lan en b\u00fcy\u00fck intiharlardan biridir. Dijital ajans sahibi <strong>Levent<\/strong>, m\u00fc\u015fterisi i\u00e7in haz\u0131rlad\u0131\u011f\u0131 projede maliyeti d\u00fc\u015f\u00fcrmek ad\u0131na internetten buldu\u011fu korsan bir galerisi eklentisini kullan\u0131r. Levent&#8217;in bilmedi\u011fi \u015fey, o eklentiyi &#8220;\u00fccretsiz&#8221; da\u011f\u0131tan ki\u015finin, kodlar\u0131n derinliklerine (genellikle base64 ile \u015fifrelenmi\u015f) gizli bir arka kap\u0131 (Backdoor) yerle\u015ftirdi\u011fidir. Eklenti kuruldu\u011fu an, sald\u0131rgan t\u00fcm sunucuya y\u00f6netici (Root) yetkisiyle eri\u015fim sa\u011flar.<\/p>\n\n\n\n<p><strong>2. G\u00fcncellenmeyen \u00c7ekirdek Dosyalar ve Eklentiler:<\/strong> \u0130\u00e7erik Y\u00f6netim Sistemleri (WordPress, Joomla, Drupal) ve bu sistemlerin eklentileri s\u00fcrekli olarak g\u00fcvenlik yamalar\u0131 yay\u0131nlar. Sitenizi 6 ay boyunca g\u00fcncellemezseniz, yay\u0131nlanan g\u00fcvenlik a\u00e7\u0131klar\u0131ndan (Exploit) faydalanan otomatik botlar, sitenizin a\u00e7\u0131klar\u0131n\u0131 saniyeler i\u00e7inde bularak zararl\u0131 kodlar\u0131 sisteme enjekte eder.<\/p>\n\n\n\n<p><strong>3. Zay\u0131f Parolalar ve Kaba Kuvvet (Brute Force) Sald\u0131r\u0131lar\u0131:<\/strong> Sitenizin y\u00f6netici paneline (\u00f6rne\u011fin <code>\/wp-admin<\/code>) veya FTP\/Veritaban\u0131 hesaplar\u0131na koydu\u011funuz &#8220;123456&#8221;, &#8220;admin2026&#8221; gibi basit \u015fifreler, \u00f6zel yaz\u0131l\u0131mlar taraf\u0131ndan dakikalar i\u00e7inde k\u0131r\u0131labilir. \u0130ki fakt\u00f6rl\u00fc do\u011frulama (2FA) olmayan her giri\u015f paneli, saatli bir bombad\u0131r.<\/p>\n\n\n\n<p><strong>4. K\u00f6t\u00fc Yap\u0131land\u0131r\u0131lm\u0131\u015f Sunucu \u0130zinleri:<\/strong> Dosya ve klas\u00f6r izinlerinin (CHMOD) yanl\u0131\u015f ayarlanmas\u0131, d\u0131\u015far\u0131dan gelen bir komut dosyas\u0131n\u0131n (Script) sunucunuzdaki \u00e7ekirdek dosyalar\u0131n \u00fczerine yazmas\u0131na olanak tan\u0131r. \u00d6zellikle &#8220;777&#8221; izni verilmi\u015f klas\u00f6rler, vir\u00fcslerin en sevdi\u011fi oyun alanlar\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_2_Virus_Bulasmasinin_Temel_Belirtileri\"><\/span>B\u00f6l\u00fcm 2: Vir\u00fcs Bula\u015fmas\u0131n\u0131n Temel Belirtileri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Siteniz hacklendi\u011finde bazen bu durum \u00e7ok bariz olurken (\u00f6rne\u011fin ekranda hacker grubunun logosunun belirmesi), bazen \u00e7ok sinsi ve sessiz bir \u015fekilde ilerler. A\u015fa\u011f\u0131daki belirtilerden herhangi birini ya\u015f\u0131yorsan\u0131z, acil durum protokol\u00fcne ge\u00e7melisiniz:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Japonca veya \u0130la\u00e7 Spam SEO:<\/strong> Google arama sonu\u00e7lar\u0131nda (SERP) sitenizin ad\u0131n\u0131 aratt\u0131\u011f\u0131n\u0131zda, ba\u015fl\u0131klar\u0131n\u0131z\u0131n ve a\u00e7\u0131klamalar\u0131n\u0131z\u0131n Japonca\/\u00c7ince karakterlerle veya Viagra, Cialis gibi ila\u00e7 isimleriyle de\u011fi\u015ftirildi\u011fini g\u00f6r\u00fcyorsan\u0131z.<\/li>\n\n\n\n<li><strong>Gizli Y\u00f6nlendirmeler (Malicious Redirects):<\/strong> Sitenize cep telefonundan giren kullan\u0131c\u0131lar otomatik olarak reklam sitelerine, sahte \u00f6d\u00fcl kazanma sayfalar\u0131na veya bahis platformlar\u0131na y\u00f6nlendiriliyorsa.<\/li>\n\n\n\n<li><strong>Tan\u0131mlanamayan Y\u00f6netici Hesaplar\u0131:<\/strong> Kullan\u0131c\u0131lar b\u00f6l\u00fcm\u00fcnde, sizin veya ekibinizin a\u00e7mad\u0131\u011f\u0131, rastgele harflerden olu\u015fan yeni &#8220;Y\u00f6netici&#8221; (Administrator) hesaplar\u0131 g\u00f6r\u00fcyorsan\u0131z.<\/li>\n\n\n\n<li><strong>A\u015f\u0131r\u0131 Kaynak T\u00fcketimi (CPU\/RAM):<\/strong> Sitenizin trafi\u011fi artmamas\u0131na ra\u011fmen, sunucunuzun CPU ve RAM kullan\u0131m\u0131 %100&#8217;e vuruyor ve siteniz s\u00fcrekli yava\u015fl\u0131yorsa (B\u00fcy\u00fck ihtimalle arka planda kripto madencili\u011fi yap\u0131lmaktad\u0131r).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_3_Karantina_Yedekleme_ve_Hazirlik_Ilk_Yardim\"><\/span>B\u00f6l\u00fcm 3: Karantina, Yedekleme ve Haz\u0131rl\u0131k (\u0130lk Yard\u0131m)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Te\u015fhisi koyduktan sonra, yapaca\u011f\u0131n\u0131z ilk hamle sitenizi izole etmektir. Kapsaml\u0131 bir temizlik operasyonuna giri\u015fen sistem y\u00f6neticisi <strong>Simge<\/strong>, panikleyip dosyalar\u0131 silmeye ba\u015flamadan \u00f6nce \u015fu \u00fc\u00e7 kritik, profesyonel ad\u0131m\u0131 atar:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Sistemi Bak\u0131m Moduna Almak:<\/strong> Ziyaret\u00e7ilerin ve arama motorlar\u0131n\u0131n enfekte olmu\u015f sayfalar\u0131 g\u00f6rmesini engellemek i\u00e7in, sitenin ana dizinine ge\u00e7ici bir bak\u0131m sayfas\u0131 (<code>503 Service Unavailable<\/code>) koyar. Bu, Google botlar\u0131na &#8220;Sitemiz \u00e7\u00f6kt\u00fc, indekslemeyi durdur&#8221; mesaj\u0131 verir.<\/li>\n\n\n\n<li><strong>Kirli Yede\u011fi Almak (Adli Bili\u015fim \u0130\u00e7in):<\/strong> Kula\u011fa garip gelse de, vir\u00fcsl\u00fc sitenin tam bir yede\u011fini al\u0131r ve bunu yerel bilgisayar\u0131nda izole bir klas\u00f6re kaydeder. Amac\u0131 bu yede\u011fi geri y\u00fcklemek de\u011fil, ileride &#8220;Vir\u00fcs nereden bula\u015ft\u0131?&#8221; sorusunun cevab\u0131n\u0131 ararken (Forensics) kaynak kodlar\u0131 inceleyebilmektir.<\/li>\n\n\n\n<li><strong>T\u00fcm Parolalar\u0131 S\u0131f\u0131rlamak:<\/strong> Hemen o anda, hosting panelinin, FTP hesaplar\u0131n\u0131n, veritaban\u0131 (MySQL) \u015fifrelerinin ve CMS (Y\u00f6netici) \u015fifrelerinin tamam\u0131n\u0131 16 karakterli karma\u015f\u0131k \u015fifrelerle de\u011fi\u015ftirir. B\u00f6ylece temizlik yaparken hacker\u0131n i\u00e7eride gezinmesini engeller.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_4_Manuel_Web_Sitesi_Virus_Temizleme_Protokolu\"><\/span>B\u00f6l\u00fcm 4: Manuel Web Sitesi Vir\u00fcs Temizleme Protokol\u00fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Haz\u0131rl\u0131klar tamamland\u0131ktan sonra, dijital ameliyat ba\u015flar. En g\u00fcvenilir temizlik y\u00f6ntemi, sitenin \u00e7ekirdek yap\u0131s\u0131n\u0131 tamamen tazelemektir. (Bu \u00f6rnekte, d\u00fcnyada en \u00e7ok kullan\u0131lan altyap\u0131 oldu\u011fu i\u00e7in WordPress mimarisi \u00fczerinden ilerlenecektir).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adim_1_Temiz_Cekirdek_Dosyalarinin_Yuklenmesi\"><\/span>Ad\u0131m 1: Temiz \u00c7ekirdek Dosyalar\u0131n\u0131n Y\u00fcklenmesi<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Hackerlar, genellikle sitenizin <code>index.php<\/code>, <code>wp-config.php<\/code> veya <code>wp-includes<\/code> klas\u00f6rlerinin i\u00e7ine zararl\u0131 kodlar saklarlar. Bu kodlar\u0131 tek tek aramak samanl\u0131kta i\u011fne aramakt\u0131r. Bunun yerine, &#8220;\u00dczerine Yazma&#8221; takti\u011fi uygulan\u0131r.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WordPress&#8217;in resmi sitesinden en g\u00fcncel ve temiz s\u00fcr\u00fcm\u00fc indirin.<\/li>\n\n\n\n<li>Hostinginize (FTP veya Dosya Y\u00f6neticisi) ba\u011flan\u0131n.<\/li>\n\n\n\n<li><code>wp-content<\/code> klas\u00f6r\u00fc ve <code>wp-config.php<\/code> dosyas\u0131 <strong>HAR\u0130\u00c7<\/strong>, sunucudaki t\u00fcm WordPress \u00e7ekirdek dosyalar\u0131n\u0131 (<code>wp-admin<\/code>, <code>wp-includes<\/code> ve ana dizindeki PHP dosyalar\u0131) tamamen silin.<\/li>\n\n\n\n<li>\u0130ndirdi\u011finiz temiz dosyalar\u0131 sunucuya y\u00fckleyin. Bu i\u015flem, \u00e7ekirde\u011fe bula\u015fm\u0131\u015f t\u00fcm vir\u00fcsleri tek hamlede yok eder.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adim_2_Arka_Kapilarin_Backdoors_Avlanmasi\"><\/span>Ad\u0131m 2: Arka Kap\u0131lar\u0131n (Backdoors) Avlanmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u00c7ekirdek temizlense bile, hackerlar geri d\u00f6nebilmek i\u00e7in <code>wp-content\/uploads<\/code> (G\u00f6rsellerin y\u00fcklendi\u011fi klas\u00f6r) gibi alanlara arka kap\u0131lar saklarlar. G\u00fcvenlik analisti <strong>Utku<\/strong>, bir m\u00fc\u015fterisinin s\u00fcrekli hacklenen sitesini incelerken muazzam bir detay fark eder. Hacker, <code>uploads\/2026\/05\/<\/code> klas\u00f6r\u00fcn\u00fcn i\u00e7ine <code>logo_header.jpg.php<\/code> ad\u0131nda sahte bir dosya y\u00fcklemi\u015ftir. Utku, bu dosyan\u0131n i\u00e7ine girdi\u011finde; bir resim kodu de\u011fil, sunucuda komut \u00e7al\u0131\u015ft\u0131rmaya yarayan <code>eval(base64_decode(...))<\/code> ile \u015fifrelenmi\u015f devasa bir arka kap\u0131 yaz\u0131l\u0131m\u0131 bulur.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>uploads<\/code> klas\u00f6r\u00fcn\u00fcz\u00fcn i\u00e7ine girin ve <code>.php<\/code>, <code>.js<\/code> veya <code>.ico<\/code> uzant\u0131l\u0131 \u015f\u00fcpheli dosyalar\u0131 aray\u0131n. G\u00f6rsel klas\u00f6r\u00fcnde PHP dosyas\u0131n\u0131n i\u015fi yoktur; buldu\u011funuz an derhal silin.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adim_3_Temalarin_ve_Eklentilerin_Arindirilmasi\"><\/span>Ad\u0131m 3: Temalar\u0131n ve Eklentilerin Ar\u0131nd\u0131r\u0131lmas\u0131<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Sitenizdeki <code>wp-content\/plugins<\/code> ve <code>wp-content\/themes<\/code> klas\u00f6rlerine gidin. Sitenizde kulland\u0131\u011f\u0131n\u0131z t\u00fcm \u00fccretsiz eklenti ve temalar\u0131 silin ve resmi depolar\u0131ndan (WordPress.org vb.) temiz versiyonlar\u0131n\u0131 indirip yeniden kurun. E\u011fer \u00fccretli bir tema kullan\u0131yorsan\u0131z, teman\u0131n lisansl\u0131 ve temiz s\u00fcr\u00fcm\u00fcn\u00fc geli\u015ftiricisinden indirip \u00fczerine yazd\u0131r\u0131n. Kullanmad\u0131\u011f\u0131n\u0131z, kapal\u0131 dursa bile sunucuda bekleyen t\u00fcm eklentileri ac\u0131mas\u0131zca silin.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adim_4_Veritabani_Database_Temizligi\"><\/span>Ad\u0131m 4: Veritaban\u0131 (Database) Temizli\u011fi<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Bazen vir\u00fcsler dosyalarda de\u011fil, veritaban\u0131n\u0131n derinliklerinde saklan\u0131r. \u00d6zellikle &#8220;Japonca Spam&#8221; veya y\u00f6nlendirme vir\u00fcsleri veritaban\u0131na i\u015fler.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>phpMyAdmin \u00fczerinden veritaban\u0131n\u0131za ba\u011flan\u0131n.<\/li>\n\n\n\n<li><code>wp_options<\/code> tablosuna girin. Burada <code>siteurl<\/code> ve <code>home<\/code> sat\u0131rlar\u0131n\u0131n kar\u015f\u0131s\u0131nda sizin sitenizin adresi yerine yabanc\u0131 bir adres olup olmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/li>\n\n\n\n<li><code>wp_posts<\/code> (Yaz\u0131lar) tablosunda arama (Search) sekmesine gelerek; <code>&lt;script><\/code>, <code>base64<\/code>, <code>iframe<\/code> gibi zararl\u0131 kod par\u00e7ac\u0131klar\u0131n\u0131 arat\u0131n ve enfekte olmu\u015f yaz\u0131lar\u0131 temizleyin.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Adim_5_htaccess_ve_wp-configphp_Incelemesi\"><\/span>Ad\u0131m 5: .htaccess ve wp-config.php \u0130ncelemesi<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Hackerlar\u0131n trafi\u011fi y\u00f6nlendirmek i\u00e7in en \u00e7ok kulland\u0131klar\u0131 dosya <code>.htaccess<\/code> dosyas\u0131d\u0131r. Bu dosyay\u0131 a\u00e7\u0131n ve i\u00e7inde sizin eklemedi\u011finiz, garip web sitelerine y\u00f6nlendirme (RewriteRule) yapan kod bloklar\u0131 varsa bunlar\u0131 tamamen silip, varsay\u0131lan temiz kodlara d\u00f6nd\u00fcr\u00fcn. Ayr\u0131ca <code>wp-config.php<\/code> dosyan\u0131z\u0131 a\u00e7arak en alt sat\u0131rlara gizlenmi\u015f \u015f\u00fcpheli dahil etme (include\/require) komutlar\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_5_Temizlik_Sonrasi_Guvenligin_Sikilastirilmasi_Hardening\"><\/span>B\u00f6l\u00fcm 5: Temizlik Sonras\u0131 G\u00fcvenli\u011fin S\u0131k\u0131la\u015ft\u0131r\u0131lmas\u0131 (Hardening)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Temizli\u011fi ba\u015fard\u0131n\u0131z. Siteniz art\u0131k tertemiz \u00e7al\u0131\u015f\u0131yor. Ancak o ilk zafiyet penceresini kapatmazsan\u0131z, hackerlar yar\u0131n tekrar gelecektir. Sisteminizi \u00e7elik bir kasaya d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in \u015fu ad\u0131mlar\u0131 eksiksiz uygulamal\u0131s\u0131n\u0131z:<\/p>\n\n\n\n<p><strong>1. Dosya ve Klas\u00f6r \u0130zinlerinin D\u00fczeltilmesi (CHMOD):<\/strong> Sunucunuzdaki t\u00fcm klas\u00f6rlerin izni <code>755<\/code>, t\u00fcm dosyalar\u0131n izni ise <code>644<\/code> olmal\u0131d\u0131r. Asla hi\u00e7bir klas\u00f6re veya dosyaya <code>777<\/code> (Herkes okuyabilir, yazabilir, \u00e7al\u0131\u015ft\u0131rabilir) izni vermeyin. <code>wp-config.php<\/code> gibi hayati dosyalar\u0131n izinlerini <code>444<\/code> veya <code>400<\/code> (Sadece okunabilir) yaparak korumaya al\u0131n.<\/p>\n\n\n\n<p><strong>2. Web Uygulama G\u00fcvenlik Duvar\u0131 (WAF) Kullan\u0131m\u0131:<\/strong> Sunucunuzun \u00f6n\u00fcne, zararl\u0131 trafi\u011fi daha sitenize ula\u015fmadan filtreleyecek profesyonel bir g\u00fcvenlik kalkan\u0131 (WAF) kurun. Cloudflare gibi sistemler veya site i\u00e7ine kurulan profesyonel g\u00fcvenlik eklentileri (\u00d6rn: Wordfence, Sucuri), kaba kuvvet sald\u0131r\u0131lar\u0131n\u0131 ve SQL enjeksiyon (SQLi) denemelerini an\u0131nda bloklayacakt\u0131r.<\/p>\n\n\n\n<p><strong>3. G\u00fcvenlik Anahtarlar\u0131n\u0131n (Salts) Yenilenmesi:<\/strong> Hackerlar sitenize daha \u00f6nce girip taray\u0131c\u0131 \u00e7erezlerini (Cookies) \u00e7alm\u0131\u015f olabilirler. Sitenizin yap\u0131land\u0131rma dosyas\u0131ndaki (wp-config.php) <em>Authentication Unique Keys and Salts<\/em> (G\u00fcvenlik Anahtarlar\u0131) b\u00f6l\u00fcm\u00fcndeki rastgele karakterleri, resmi API \u00fczerinden yenileriyle de\u011fi\u015ftirin. Bu i\u015flem, sitenize daha \u00f6nceden a\u00e7\u0131k kalm\u0131\u015f olan t\u00fcm gizli oturumlar\u0131 zorla kapat\u0131r ve herkesi sistemden d\u0131\u015far\u0131 atar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolum_6_Googlein_Kara_Listesinden_Blacklist_Cikmak\"><\/span>B\u00f6l\u00fcm 6: Google&#8217;\u0131n Kara Listesinden (Blacklist) \u00c7\u0131kmak<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Sitenizi p\u0131r\u0131l p\u0131r\u0131l yapt\u0131n\u0131z ve t\u00fcm arka kap\u0131lar\u0131 kapatt\u0131n\u0131z. Ancak Google arama sonu\u00e7lar\u0131nda hala o korkutucu &#8220;Bu site bilgisayar\u0131n\u0131za zarar verebilir&#8221; yaz\u0131s\u0131 duruyor. Bu uyar\u0131 kendili\u011finden hemen kalkmaz; Google&#8217;a sitenizin art\u0131k temiz oldu\u011funu kan\u0131tlaman\u0131z gerekir.<\/p>\n\n\n\n<p>Web yay\u0131nc\u0131s\u0131 <strong>Poyraz<\/strong>, g\u00fcnlerce s\u00fcren temizlik operasyonunun ard\u0131ndan Google Search Console (Web Y\u00f6neticisi Ara\u00e7lar\u0131) platformuna giri\u015f yapar. &#8220;G\u00fcvenlik Sorunlar\u0131&#8221; (Security Issues) sekmesine t\u0131klar. Burada Google&#8217;\u0131n tespit etti\u011fi zararl\u0131 ba\u011flant\u0131lar\u0131n bir listesi vard\u0131r. Poyraz, sitenin t\u00fcm \u00e7ekirde\u011fini s\u0131f\u0131rlad\u0131\u011f\u0131n\u0131, veritaban\u0131n\u0131 temizledi\u011fini ve g\u00fcvenlik duvar\u0131 kurdu\u011funu detayl\u0131 ve teknik bir dille anlatan bir &#8220;\u0130nceleme \u0130ste\u011fi&#8221; (Request Review) formu doldurur. Google botlar\u0131 genellikle 24 ila 72 saat i\u00e7inde siteyi yeniden tarar. Zararl\u0131 kodlar\u0131n ger\u00e7ekten silindi\u011fini teyit ettiklerinde, o k\u0131rm\u0131z\u0131 uyar\u0131 ekran\u0131 tamamen kald\u0131r\u0131l\u0131r ve siteniz arama motoru sonu\u00e7lar\u0131ndaki (SERP) itibar\u0131na yava\u015f yava\u015f geri d\u00f6ner.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sonuc_Proaktif_Guvenlik_Kulturu_Insa_Etmek\"><\/span>Sonu\u00e7: Proaktif G\u00fcvenlik K\u00fclt\u00fcr\u00fc \u0130n\u015fa Etmek<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Bir web sitesini zararl\u0131 yaz\u0131l\u0131mlardan temizlemek, y\u00fcksek d\u00fczeyde teknik sab\u0131r, adli bili\u015fim zekas\u0131 ve titizlik gerektiren yorucu bir s\u00fcre\u00e7tir. &#8220;Bana bir \u015fey olmaz, sitem \u00e7ok k\u00fc\u00e7\u00fck&#8221; yan\u0131lg\u0131s\u0131, 2026 y\u0131l\u0131n\u0131n ac\u0131mas\u0131z siber g\u00fcvenlik d\u00fcnyas\u0131nda yap\u0131labilecek en b\u00fcy\u00fck hatad\u0131r; \u00e7\u00fcnk\u00fc botlar sitenizin b\u00fcy\u00fckl\u00fc\u011f\u00fcne veya prestijine bakmaz, sadece s\u00f6m\u00fcr\u00fclecek sunucu kaynaklar\u0131na odaklan\u0131r.<\/p>\n\n\n\n<p>Ya\u015fad\u0131\u011f\u0131n\u0131z bu travmatik hacklenme deneyimi, asl\u0131nda dijital varl\u0131klar\u0131n\u0131z\u0131 nas\u0131l koruman\u0131z gerekti\u011fine dair \u00e7ok sert ama kal\u0131c\u0131 bir derstir. 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Kalkanlar\u0131n\u0131z\u0131 daima aktif tutun.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Giri\u015f: Dijital K\u00e2busla Y\u00fczle\u015fmek ve Kontrol\u00fc Geri Almak Bir sabah<a href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/\">&#8230;<\/a><\/p>\n","protected":false},"author":6,"featured_media":23977,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-23976","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cenuta.com\/blog\/web-sitesi-virus-temizleme-nasil-yapilir-malware-ve-kotu-amacli-yazilimlardan-kesin-kurtulma-rehberi-2026\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Web Sitesi Vir\u00fcs Temizleme Nas\u0131l Yap\u0131l\u0131r? 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