{"id":3007,"date":"2023-03-20T09:58:29","date_gmt":"2023-03-20T06:58:29","guid":{"rendered":"https:\/\/uzmanposta.com\/blog\/?p=3007"},"modified":"2023-05-18T21:01:34","modified_gmt":"2023-05-18T18:01:34","slug":"botnet","status":"publish","type":"post","link":"https:\/\/uzmanposta.com\/blog\/botnet\/","title":{"rendered":"Botnet Nedir? \u0130\u015fletmeler Verilerinin G\u00fcvenli\u011fini Nas\u0131l Sa\u011flamal\u0131? Botnet Sald\u0131r\u0131s\u0131ndan Nas\u0131l Korunmal\u0131d\u0131r?"},"content":{"rendered":"\n<p>Botnet, &#8220;bot y\u00f6neticisi&#8221; olarak bilinen bir bilgisayar korsan\u0131 taraf\u0131ndan uzaktan kontrol edilen, g\u00fcvenli\u011fi ihlal edilmi\u015f bilgisayarlardan veya cihazlardan olu\u015fan bir a\u011fd\u0131r. Bot a\u011flar\u0131 genellikle DDoS sald\u0131r\u0131lar\u0131 ger\u00e7ekle\u015ftirmek, spam e-posta\u2019lar g\u00f6ndermek, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m da\u011f\u0131tmak veya kimlik bilgileri doldurma sald\u0131r\u0131lar\u0131 ger\u00e7ekle\u015ftirmek gibi k\u00f6t\u00fc ama\u00e7lar i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n<p>Bot a\u011flar\u0131, genellikle kimlik av\u0131 e-posta\u2019lar\u0131 yoluyla veya yaz\u0131l\u0131m g\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanarak \u00e7ok say\u0131da bilgisayara veya cihaza k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015ft\u0131rarak olu\u015fturulur. Vir\u00fcs bula\u015ft\u0131\u011f\u0131nda, bu cihazlar botnet&#8217;in bir par\u00e7as\u0131 haline gelir ve bot y\u00f6neticisi taraf\u0131ndan uzaktan kontrol edilebilir. Bot y\u00f6neticisi, botnet&#8217;e DDoS sald\u0131r\u0131s\u0131 ba\u015flatma veya istenmeyen e-posta\u2019lar g\u00f6nderme gibi belirli eylemleri ger\u00e7ekle\u015ftirmesi talimat\u0131n\u0131 i\u00e7eren komutlar verebilir.<\/p>\n\n\n\n<p>Bot a\u011flar\u0131n\u0131n tespit edilmesi zor olabilir ve ciddi zararlara neden olabilir. Bot a\u011flar\u0131 taraf\u0131ndan ba\u015flat\u0131lan DDoS sald\u0131r\u0131lar\u0131, web sitelerini ve sunucular\u0131 etkileyerek kullan\u0131lamaz hale getirebilir. Bot a\u011flar\u0131 taraf\u0131ndan g\u00f6nderilen spam e-posta\u2019lar, e-posta sunucular\u0131n\u0131 t\u0131kayabilir ve me\u015fru e-posta&#8217;lar\u0131n ge\u00e7mesini zorla\u015ft\u0131rabilir. Bot a\u011flar\u0131 taraf\u0131ndan da\u011f\u0131t\u0131lan k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar daha fazla cihaza bula\u015farak daha fazla bot olu\u015fturabilir ve botnet&#8217;in g\u00fcc\u00fcn\u00fc art\u0131rabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botnet Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"500\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir.jpeg\" alt=\"Botnet Nas\u0131l \u00c7al\u0131\u015f\u0131r?\" class=\"wp-image-3146\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir.jpeg 1000w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir-300x150.jpeg 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir-768x384.jpeg 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir-360x180.jpeg 360w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-nasil-calisir-750x375.jpeg 750w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Kaynak: researchgate<\/figcaption><\/figure><\/div>\n\n\n\n<p>Botnet a\u015fa\u011f\u0131daki \u015fekilde \u00e7al\u0131\u015f\u0131r:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Bula\u015fma<\/h3>\n\n\n\n<p>Bir botnet olu\u015fturman\u0131n ilk ad\u0131m\u0131, \u00e7ok say\u0131da bilgisayara veya cihaza k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m bula\u015ft\u0131rmakt\u0131r. Bu genellikle kimlik av\u0131 e-posta\u2019lar\u0131 g\u00f6ndererek veya yaz\u0131l\u0131mdaki g\u00fcvenlik a\u00e7\u0131klar\u0131ndan yararlanarak yap\u0131l\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. G\u00fc\u00e7lendirme<\/h3>\n\n\n\n<p>Bir bilgisayara veya cihaza vir\u00fcs bula\u015ft\u0131\u011f\u0131nda, botnet&#8217;in bir par\u00e7as\u0131 haline gelir ve bu cihazlar botmaster taraf\u0131ndan uzaktan kontrol edilebilir. Bot y\u00f6neticisi, vir\u00fcsl\u00fc bilgisayar\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131 di\u011fer cihazlara yaymak i\u00e7in kullanabilir ve onlar\u0131 etkili bir \u015fekilde botnet&#8217;e dahil edebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Komuta ve kontrol<\/h3>\n\n\n\n<p>Bot y\u00f6neticisi, botnet&#8217;i uzak bir konumdan, genellikle bir komut ve kontrol (C&amp;C) sunucusu arac\u0131l\u0131\u011f\u0131yla kontrol eder. C&amp;C sunucusu, vir\u00fcsl\u00fc bilgisayarlara hangi eylemleri ger\u00e7ekle\u015ftirmeleri gerekti\u011fini s\u00f6yleyen komutlar verir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Sald\u0131r\u0131<\/h3>\n\n\n\n<p>Bir bot y\u00f6neticisi \u00e7e\u015fitli siber sald\u0131r\u0131lar ba\u015flatabilir. \u00d6rne\u011fin, vir\u00fcs bula\u015fm\u0131\u015f t\u00fcm bilgisayarlara web sitesinin sunucusuna \u00e7ok say\u0131da istek g\u00f6nderme talimat\u0131 vererek sunucuyu bunaltarak ve kullan\u0131lamaz hale getirerek bir web sitesinde bir Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi (DDoS) sald\u0131r\u0131s\u0131 ba\u015flatabilir veya spam e-posta\u2019lar g\u00f6ndermek, k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m da\u011f\u0131tmak veya di\u011fer k\u00f6t\u00fc ama\u00e7l\u0131 faaliyetleri ger\u00e7ekle\u015ftirmek i\u00e7in botnet&#8217;i kullanabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Gizlilik<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131 gizli \u00e7al\u0131\u015facak \u015fekilde tasarlanm\u0131\u015ft\u0131r, bu nedenle tespit edilmesi zor olabilir. Etkilenen bilgisayarlar normal \u015fekilde \u00e7al\u0131\u015fmaya devam ederek kullan\u0131c\u0131lar\u0131n cihazlar\u0131n\u0131n g\u00fcvenli\u011finin ihlal edildi\u011fini fark etmelerini zorla\u015ft\u0131rabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Kal\u0131c\u0131l\u0131k<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131 ayn\u0131 zamanda kal\u0131c\u0131 olacak \u015fekilde tasarlanm\u0131\u015ft\u0131r, yani k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131 vir\u00fcsl\u00fc cihazlardan kald\u0131rma giri\u015fimlerinden kurtulabilir. Bot y\u00f6neticisi, botnet \u00fczerinde kontrol\u00fc s\u00fcrd\u00fcrmek i\u00e7in \u015fifreli ileti\u015fim kanallar\u0131 kullanmak veya C&amp;C sunucusunu bir dizi vekil sunucunun arkas\u0131na gizlemek gibi \u00e7e\u015fitli teknikler kullanabilir.<\/p>\n\n\n\n<p>Genel olarak, botnet&#8217;ler bilgisayar korsanlar\u0131 i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r ve \u00e7ok say\u0131da bilgisayar\u0131 veya cihaz\u0131 kontrol etmelerine ve bunlar\u0131 k\u00f6t\u00fc ama\u00e7larla kullanmalar\u0131na olanak tan\u0131r. <strong>Bot a\u011flar\u0131n\u0131 \u00f6nlemek<\/strong>, kullan\u0131c\u0131 e\u011fitimi, g\u00fc\u00e7l\u00fc parolalar, yaz\u0131l\u0131m g\u00fcncellemeleri ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m tespit ara\u00e7lar\u0131n\u0131 i\u00e7eren \u00e7ok katmanl\u0131 bir yakla\u015f\u0131m gerektirir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botnet Mimarisi<\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"500\" src=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi.jpeg\" alt=\"Botnet Mimarisi\" class=\"wp-image-3148\" srcset=\"https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi.jpeg 1000w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi-300x150.jpeg 300w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi-768x384.jpeg 768w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi-360x180.jpeg 360w, https:\/\/uzmanposta.com\/blog\/wp-content\/uploads\/2023\/03\/botnet-mimarisi-750x375.jpeg 750w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption>Kaynak: researchgate<\/figcaption><\/figure><\/div>\n\n\n\n<p>Botnet mimarisi, bir botnet&#8217;in yap\u0131land\u0131r\u0131lma ve organize edilme bi\u00e7imini ifade eder. Birka\u00e7 yayg\u0131n <strong>botnet mimarisi<\/strong> vard\u0131r. Bunlar a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Merkezile\u015ftirilmi\u015f<\/h3>\n\n\n\n<p>Merkezi bir botnet mimarisinde, vir\u00fcs bula\u015fm\u0131\u015f t\u00fcm cihazlar, komutlar vermek ve botnet faaliyetlerini koordine etmek i\u00e7in kullan\u0131lan merkezi bir komuta ve kontrol (C&amp;C) sunucusuna rapor verir. C&amp;C sunucusu, onu k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m da\u011f\u0131tmak veya siber sald\u0131r\u0131lar ba\u015flatmak i\u00e7in kullanabilen botnet&#8217;in sahibi taraf\u0131ndan kontrol edilebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. E\u015fler aras\u0131<\/h3>\n\n\n\n<p><strong>Peer-to-peer bir botnet mimarisinde<\/strong>; vir\u00fcsl\u00fc cihazlar, merkezi bir C&amp;C sunucusuna g\u00fcvenmeden birbirleriyle do\u011frudan ileti\u015fim kurar. Bot a\u011f\u0131ndaki her cihaz, komutlar verebilir ve a\u011fdaki di\u011fer cihazlara k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m da\u011f\u0131tabilir, bu da botnet&#8217;in kald\u0131r\u0131lmas\u0131n\u0131 zorla\u015ft\u0131r\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Hibrit<\/h3>\n\n\n\n<p><strong>Hibrit bir botnet mimarisi<\/strong>, hem merkezi hem de e\u015fler aras\u0131 mimarilerin \u00f6\u011felerini birle\u015ftirir. Hibrit bir botnet&#8217;te, baz\u0131 cihazlar merkezi bir C&amp;C sunucusuna rapor verirken, di\u011ferleri do\u011frudan birbirleriyle ileti\u015fim kurar. Bu yakla\u015f\u0131m, botnet&#8217;i yay\u0131ndan kald\u0131rmalara kar\u015f\u0131 daha dayan\u0131kl\u0131 ve tespit edilmesini daha zor hale getirebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Domain Olu\u015fturma Algoritmas\u0131 (DGA)<\/h3>\n\n\n\n<p>Bir DGA botnet mimarisinde, C&amp;C sunucusunun alan ad\u0131 periyodik olarak de\u011fi\u015fir, bu da botnet&#8217;in izlenmesini ve kald\u0131r\u0131lmas\u0131n\u0131 zorla\u015ft\u0131r\u0131r. Botnet sahibi, C&amp;C sunucusu i\u00e7in d\u00fczenli aral\u0131klarla yeni bir alan\u0131 ad\u0131 olu\u015fturmak i\u00e7in bir DGA kullan\u0131r ve vir\u00fcs bula\u015fan cihazlar daha sonra sunucuya ba\u011flanmak i\u00e7in kullan\u0131r.<\/p>\n\n\n\n<p>Genel olarak, botnet mimarisi, botnet&#8217;in \u00e7al\u0131\u015fma ve tespitten ka\u00e7ma becerisinde kritik bir rol oynar. Bu nedenle, bir botnet mimarisini anlamak, <strong>botnet sald\u0131r\u0131lar\u0131n\u0131 tespit etme<\/strong>k ve azaltmak i\u00e7in \u00f6nemlidir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botnet Sald\u0131r\u0131s\u0131 T\u00fcrleri<\/h2>\n\n\n\n<p>Bot a\u011flar\u0131, a\u015fa\u011f\u0131dakiler de dahil olmak \u00fczere \u00e7ok \u00e7e\u015fitli sald\u0131r\u0131lar ba\u015flatmak i\u00e7in kullan\u0131labilir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Da\u011f\u0131t\u0131lm\u0131\u015f Hizmet Reddi (DDoS) sald\u0131r\u0131lar\u0131<\/h3>\n\n\n\n<p>Bir DDoS sald\u0131r\u0131s\u0131nda botnet, bir web sitesini veya sunucuyu trafikle doldurmak, trafi\u011fi bunaltmak ve kullan\u0131c\u0131lar taraf\u0131ndan kullan\u0131lamaz hale gelmesine neden olmak i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u0130stenmeyen Posta G\u00f6nderme<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, b\u00fcy\u00fck hacimlerde istenmeyen e-posta&#8217;lar g\u00f6ndermek, sahte \u00fcr\u00fcn veya hizmetleri tan\u0131tmak veya k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 yaymak i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Kimlik bilgisi doldurma<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, \u00e7ok say\u0131da web sitesinde farkl\u0131 kullan\u0131c\u0131 ad\u0131\/\u015fifre kombinasyonlar\u0131n\u0131 deneme s\u00fcrecini otomatikle\u015ftirerek kimlik bilgisi doldurma sald\u0131r\u0131lar\u0131 ger\u00e7ekle\u015ftirmek i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. T\u0131klama doland\u0131r\u0131c\u0131l\u0131\u011f\u0131<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, \u00e7evrimi\u00e7i reklamlarda hileli t\u0131klamalar olu\u015fturmak i\u00e7in kullan\u0131labilir ve bu, reklamverenin yasal olmayan t\u0131klamalar i\u00e7in \u00f6deme yapmas\u0131na neden olabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Cryptojacking<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, \u00e7ok say\u0131da bilgisayara bula\u015farak ve i\u015flem g\u00fc\u00e7lerini sahibinin bilgisi olmadan kripto para madencili\u011fi yapmak i\u00e7in kullanarak kripto para madencili\u011fi yapmak i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Bilgi h\u0131rs\u0131zl\u0131\u011f\u0131<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, vir\u00fcsl\u00fc cihazlardan kredi kart\u0131 numaralar\u0131 veya oturum a\u00e7ma kimlik bilgileri gibi hassas verileri \u00e7almak i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Fidye yaz\u0131l\u0131m\u0131<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, hedeflenen ki\u015filerin dosyalar\u0131n\u0131 \u015fifreleyen ve \u015fifre \u00e7\u00f6zme anahtar\u0131 kar\u015f\u0131l\u0131\u011f\u0131nda \u00f6deme talep eden bir t\u00fcr k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m olan fidye yaz\u0131l\u0131m\u0131n\u0131 da\u011f\u0131tmak ve kontrol etmek i\u00e7in kullan\u0131labilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bilgisayar\u0131n\u0131z\u0131n Bir Botnet&#8217;in Par\u00e7as\u0131 Oldu\u011funa \u0130li\u015fkin \u0130\u015faretler Nelerdir?<\/h2>\n\n\n\n<p>Bilgisayar\u0131n\u0131z\u0131n bir botnet&#8217;in par\u00e7as\u0131 olabilece\u011fine dair baz\u0131 i\u015faretler a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Yava\u015f Performans<\/h3>\n\n\n\n<p>Bir botnet, bilgisayar\u0131n\u0131z\u0131n performans\u0131n\u0131 yava\u015flatabilen k\u00f6t\u00fc ama\u00e7l\u0131 faaliyetlerini ger\u00e7ekle\u015ftirmek i\u00e7in bilgisayar\u0131n\u0131z\u0131n i\u015flem g\u00fcc\u00fcn\u00fc kullanabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ola\u011fand\u0131\u015f\u0131 A\u011f Etkinli\u011fi<\/h3>\n\n\n\n<p>Bilgisayar\u0131n\u0131z bir botnet&#8217;in par\u00e7as\u0131ysa, b\u00fcy\u00fck miktarda giden trafik veya \u015f\u00fcpheli IP adreslerine ba\u011flant\u0131lar gibi ola\u011fand\u0131\u015f\u0131 a\u011f etkinli\u011fi fark edebilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Y\u00fcksek CPU veya A\u011f Kullan\u0131m\u0131<\/h3>\n\n\n\n<p>Bilgisayar\u0131n\u0131z\u0131n CPU veya a\u011f kullan\u0131m\u0131n\u0131n, siz bilgisayar\u0131 aktif olarak kullanm\u0131yorken bile al\u0131\u015f\u0131lmad\u0131k derecede y\u00fcksek oldu\u011funu fark edebilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Garip A\u00e7\u0131l\u0131r Pencereler veya Hata Mesajlar\u0131<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131, herhangi bir program kullanm\u0131yor veya web&#8217;de gezinmiyor olsan\u0131z bile bilgisayar ekran\u0131n\u0131zda a\u00e7\u0131l\u0131r pencereler veya hata mesajlar\u0131 g\u00f6r\u00fcnt\u00fcleyebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. A\u00e7\u0131klanamayan Sabit Disk Etkinli\u011fi<\/h3>\n\n\n\n<p>Bilgisayar\u0131n\u0131z\u0131n sabit s\u00fcr\u00fcc\u00fcs\u00fcne, siz bilgisayar\u0131 aktif olarak kullanmad\u0131\u011f\u0131n\u0131z zamanlarda bile s\u0131k s\u0131k eri\u015filiyorsa, bu, bilgisayar\u0131n\u0131z\u0131n bir botnet par\u00e7as\u0131 oldu\u011funun i\u015fareti olabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Anti-Vir\u00fcs Uyar\u0131lar\u0131<\/h3>\n\n\n\n<p>Anti-vir\u00fcs yaz\u0131l\u0131m\u0131n\u0131z bilgisayar\u0131n\u0131zdaki k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 tespit edip sizi uyar\u0131yorsa, bu, bilgisayar\u0131n\u0131z\u0131n bir botnet&#8217;in par\u00e7as\u0131 oldu\u011funun bir i\u015fareti olabilir.<\/p>\n\n\n\n<p>Bu i\u015faretlerden herhangi birini fark ederseniz, bilgisayar\u0131n\u0131z\u0131 korumak ve mevcut olabilecek botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131n\u0131 kald\u0131rmak i\u00e7in harekete ge\u00e7meniz \u00f6nemlidir.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botnet Sald\u0131r\u0131s\u0131ndan Nas\u0131l Korunmal\u0131d\u0131r?<\/h2>\n\n\n\n<p>Kendinizi botnetlerden korumak i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 uygulayabilirsiniz:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Yaz\u0131l\u0131m\u0131n\u0131z\u0131 ve i\u015fletim sisteminizi g\u00fcncel tutun<\/h3>\n\n\n\n<p>Yaz\u0131l\u0131m g\u00fcncellemeleri genellikle sisteminizi botnet enfeksiyonlar\u0131ndan koruyabilen g\u00fcvenlik yamalar\u0131 i\u00e7erir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Vir\u00fcsten koruma ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mdan koruma yaz\u0131l\u0131m\u0131 kullan\u0131n<\/h3>\n\n\n\n<p>En \u00e7ok tercih edilen vir\u00fcsten koruma ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mdan koruma yaz\u0131l\u0131mlar\u0131n\u0131 y\u00fckleyin ve kullan\u0131n ve bunlar\u0131 yeni tehditlere kar\u015f\u0131 korumak i\u00e7in g\u00fcncel tutun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. G\u00fc\u00e7l\u00fc parolalar kullan\u0131n<\/h3>\n\n\n\n<p>\u00c7evrimi\u00e7i hesaplar\u0131n\u0131z\u0131n her biri i\u00e7in g\u00fc\u00e7l\u00fc, benzersiz parolalar kullan\u0131n ve bunlar\u0131 y\u00f6netmenize yard\u0131mc\u0131 olmas\u0131 i\u00e7in bir parola y\u00f6neticisi kullanmay\u0131 d\u00fc\u015f\u00fcn\u00fcn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u015e\u00fcpheli e-postalara ve eklere kar\u015f\u0131 dikkatli olun<\/h3>\n\n\n\n<p>Bilinmeyen g\u00f6nderenlerden gelen e-posta\u2019lar\u0131 veya ekleri a\u00e7may\u0131n ve bir ba\u011flant\u0131ya t\u0131klaman\u0131z\u0131 veya ki\u015fisel bilgiler vermenizi isteyen e-posta\u2019lara kar\u015f\u0131 dikkatli olun.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Halka a\u00e7\u0131k Wi-Fi&#8217;ye dikkat edin<\/h3>\n\n\n\n<p>Botnet sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131z olabilecek halka a\u00e7\u0131k Wi-Fi a\u011flar\u0131n\u0131 kullanmaktan ka\u00e7\u0131n\u0131n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u0130ki fakt\u00f6rl\u00fc kimlik do\u011frulamay\u0131 etkinle\u015ftirin<\/h3>\n\n\n\n<p>Ekstra bir koruma katman\u0131 eklemek i\u00e7in \u00e7evrimi\u00e7i hesaplar\u0131n\u0131zda iki fakt\u00f6rl\u00fc kimlik do\u011frulamay\u0131 etkinle\u015ftirmeyi d\u00fc\u015f\u00fcn\u00fcn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u00c7evrimi\u00e7i hesaplar\u0131n\u0131z\u0131 izleyin<\/h3>\n\n\n\n<p>\u00c7evrimi\u00e7i hesaplar\u0131n\u0131z\u0131, yetkisiz giri\u015fler veya i\u015flemler gibi ola\u011fand\u0131\u015f\u0131 etkinliklere kar\u015f\u0131 d\u00fczenli olarak izleyin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. G\u00fcvenlik duvar\u0131 kullan\u0131n<\/h3>\n\n\n\n<p>G\u00fcvenlik duvar\u0131, botnet trafi\u011finin a\u011f\u0131n\u0131za girmesini engellemeye yard\u0131mc\u0131 olabilir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dcnl\u00fc Botnet Sald\u0131r\u0131lar\u0131<\/h2>\n\n\n\n<p>Son y\u0131llarda birka\u00e7 y\u00fcksek profilli botnet sald\u0131r\u0131s\u0131 oldu. Bunlardan en \u00f6nemlileri a\u015fa\u011f\u0131daki \u015fekildedir:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Mirai<\/h3>\n\n\n\n<p>Mirai botnet, 2016&#8217;da DNS sa\u011flay\u0131c\u0131s\u0131 Dyn&#8217;i hedef alan ve b\u00fcy\u00fck internet kesintilerine neden olan b\u00fcy\u00fck bir DDoS sald\u0131r\u0131s\u0131ndan sorumluydu. Botnet, kameralar ve y\u00f6nlendiriciler gibi Nesnelerin \u0130nterneti (IoT) cihazlar\u0131na bula\u015ft\u0131 ve bunlar\u0131 siber sald\u0131r\u0131y\u0131 ba\u015flatmak i\u00e7in kulland\u0131.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Necurs<\/h3>\n\n\n\n<p>Necurs botnet, en az 2012&#8217;den beri aktiftir ve tarihin en b\u00fcy\u00fck ve en uzun s\u00fcredir devam eden botnet&#8217;lerinden biridir. K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m da\u011f\u0131tmak, istenmeyen e-posta\u2019lar g\u00f6ndermek ve DDoS sald\u0131r\u0131lar\u0131 ba\u015flatmak i\u00e7in kullan\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Avalanche<\/h3>\n\n\n\n<p>Avalanche botnet, 500.000&#8217;den fazla vir\u00fcsl\u00fc cihazla \u015fimdiye kadar ke\u015ffedilen en b\u00fcy\u00fck ve en geli\u015fmi\u015f botnet&#8217;lerden biriydi. Bankac\u0131l\u0131k truva atlar\u0131 ve fidye yaz\u0131l\u0131mlar\u0131 da dahil olmak \u00fczere \u00e7ok \u00e7e\u015fitli k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 da\u011f\u0131tmak i\u00e7in kullan\u0131ld\u0131.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. GameOver Zeus<\/h3>\n\n\n\n<p>GameOver Zeus botnet&#8217;i, bankalardan ve di\u011fer finansal kurumlardan milyonlarca dolar \u00e7almak i\u00e7in kullan\u0131lan b\u00fcy\u00fck bir siber su\u00e7 operasyonuydu. Oturum a\u00e7ma kimlik bilgilerini ve di\u011fer hassas bilgileri \u00e7almak i\u00e7in k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m ve sosyal m\u00fchendislik tekniklerinin geli\u015fmi\u015f bir kombinasyonunu kulland\u0131.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Waledac<\/h3>\n\n\n\n<p>Waledac botnet, spam e-posta\u2019lar\u0131 ve k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlar\u0131 da\u011f\u0131tmak i\u00e7in kullan\u0131lan b\u00fcy\u00fck bir spam botnet&#8217;ti. Microsoft taraf\u0131ndan koordineli bir \u00e7aban\u0131n ard\u0131ndan 2010 y\u0131l\u0131nda kald\u0131r\u0131ld\u0131.<\/p>\n\n\n\n<p>\u00d6zetle diyebiliriz ki, bot a\u011flar\u0131, siber g\u00fcvenlik tehditlerinin en karma\u015f\u0131k ve tehlikeli bi\u00e7imlerinden biridir ve onlar\u0131 i\u015fletmeler, bireyler ve hatta kamu i\u00e7in ciddi bir endi\u015fe haline getirir.<\/p>\n\n\n\n<p>Bot a\u011flar\u0131na ve <strong>botnet sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunma yapmak<\/strong> zor olsa da imkans\u0131z de\u011fildir. Yukar\u0131da payla\u015f\u0131lan ipu\u00e7lar\u0131n\u0131 izleyerek ve bot korumas\u0131 konusunda uzmanla\u015fm\u0131\u015f kapsaml\u0131 bir \u00e7\u00f6z\u00fcm se\u00e7erek, cihazlar\u0131n\u0131z\u0131 etkili bir \u015fekilde koruyabilir ve sisteminizin\/a\u011f\u0131n\u0131z\u0131n \u00e7e\u015fitli botnet sald\u0131r\u0131lar\u0131ndan etkilenme riskini azaltabilirsiniz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Botnet \u0130le \u0130lgili En \u00c7ok Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Bilgisayar korsanlar\u0131 botnet&#8217;leri bilgisayara nas\u0131l bula\u015ft\u0131r\u0131r?<\/h3>\n\n\n\n<p>Bilgisayar korsanlar\u0131 genellikle hedefledikleri ki\u015filere kimlik av\u0131 e-posta\u2019lar\u0131 g\u00f6ndererek onlar\u0131 bilgisayarlar\u0131na bula\u015fan ba\u011flant\u0131lara t\u0131klamalar\u0131 i\u00e7in kand\u0131r\u0131r. K\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m yayan bir web sitesini ziyaret ederseniz veya vir\u00fcsl\u00fc bir dosya indirirseniz, bilgisayar\u0131n\u0131za da bula\u015fabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Cihaz\u0131m\u0131n bir botnet&#8217;in par\u00e7as\u0131 olup olmad\u0131\u011f\u0131n\u0131 nas\u0131l anlar\u0131m?<\/h3>\n\n\n\n<p>Yava\u015f performans, s\u0131k s\u0131k \u00e7\u00f6kmeler, ola\u011fand\u0131\u015f\u0131 a\u011f etkinli\u011fi veya b\u00fcy\u00fck miktarda giden a\u011f trafi\u011fi dahil olmak \u00fczere cihaz\u0131n\u0131za k\u00f6t\u00fc ama\u00e7l\u0131 botnet bula\u015ft\u0131\u011f\u0131na dair \u00e7e\u015fitli i\u015faretler vard\u0131r. Bu noktada cihaz\u0131n\u0131z\u0131 k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131mlara kar\u015f\u0131 taramak i\u00e7in vir\u00fcsten koruma yaz\u0131l\u0131m\u0131 veya di\u011fer g\u00fcvenlik ara\u00e7lar\u0131n\u0131 da kullanabilirsiniz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Cihaz\u0131m\u0131n bir botnet&#8217;in par\u00e7as\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcrsem ne yapmal\u0131y\u0131m?<\/h3>\n\n\n\n<p>Cihaz\u0131n\u0131z\u0131n bir botnet par\u00e7as\u0131 oldu\u011funu d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z, hemen internetten ba\u011flant\u0131s\u0131n\u0131 kesmeli ve profesyonel bir BT g\u00fcvenlik firmas\u0131ndan yard\u0131m almal\u0131s\u0131n\u0131z. Botnet k\u00f6t\u00fc ama\u00e7l\u0131 yaz\u0131l\u0131m\u0131n\u0131 kald\u0131rman\u0131za ve cihaz\u0131n\u0131z\u0131n g\u00fcvenli\u011fini geri y\u00fcklemenize yard\u0131mc\u0131 olabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Bir botnet&#8217;teki komut ve kontrol sunucusu nedir?<\/h3>\n\n\n\n<p>Komut ve kontrol sunucusu, bilgisayar korsan\u0131 taraf\u0131ndan bir botnet&#8217;in par\u00e7as\u0131 olan bilgisayarlar\u0131 uzaktan kontrol etmek i\u00e7in kullan\u0131lan bir sunucudur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Zombi bilgisayar nedir?<\/h3>\n\n\n\n<p>Bir zombi bilgisayar, bir bilgisayar korsan\u0131 taraf\u0131ndan ele ge\u00e7irilen ve bir botnet&#8217;in par\u00e7as\u0131 olarak kontrol edilen bir bilgisayard\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Botnet&#8217;lerin yasal durumu nedir?<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131 yasa d\u0131\u015f\u0131d\u0131r ve kullan\u0131mlar\u0131, bilgisayar korsan\u0131 veya sorumlu bilgisayar korsanlar\u0131 grubu i\u00e7in cezai su\u00e7lamalara neden olabilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Botnet&#8217;ler iyi ama\u00e7lar i\u00e7in kullan\u0131labilir mi?<\/h3>\n\n\n\n<p>Bot a\u011flar\u0131 genellikle k\u00f6t\u00fc ama\u00e7l\u0131 ama\u00e7larla kullan\u0131lsa da, g\u00fcvenlik ara\u015ft\u0131rmas\u0131 ve testi gibi iyi ama\u00e7lar i\u00e7in de kullan\u0131labilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. IoT cihazlar\u0131m\u0131n bir botnet&#8217;in par\u00e7as\u0131 olmas\u0131n\u0131 nas\u0131l \u00f6nleyebilirim?<\/h3>\n\n\n\n<p>IoT cihazlar\u0131n\u0131z\u0131 g\u00fc\u00e7l\u00fc parolalarla g\u00fcvence alt\u0131na alarak \u00fcr\u00fcn yaz\u0131l\u0131mlar\u0131n\u0131 g\u00fcncel tutarak ve \u015f\u00fcpheli ba\u011flant\u0131lardan ve indirmelerden ka\u00e7\u0131narak bir botnet&#8217;in par\u00e7as\u0131 olmalar\u0131n\u0131 \u00f6nleyebilirsiniz.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>\u0130lgili \u0130\u00e7erikler<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/ssl-guvenlik-sertifikasi-nedir\/\">SSL Nedir? SSL G\u00fcvenlik Sertifikas\u0131 Ne \u0130\u015fe Yarar?<\/a>, <a href=\"https:\/\/uzmanposta.com\/blog\/tls\/\" target=\"_blank\" rel=\"noreferrer noopener\">TLS Nedir? SSL\/TLS Kullanarak G\u00fcvenli E-posta G\u00f6nderin veya Al\u0131n<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/phishing-nedir\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phishing Nedir? Phishing (Oltalama) Sald\u0131r\u0131s\u0131 Nas\u0131l Engellenir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/ransomware\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ransomware Nedir, Nas\u0131l \u00c7al\u0131\u015f\u0131r? Ransomware Vir\u00fcs\u00fcn\u00fcn Mail Yoluyla Bula\u015fmas\u0131n\u0131 Engelleme&nbsp;<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/bec\/\" target=\"_blank\" rel=\"noreferrer noopener\">Business Email Compromise (BEC) Nedir? BEC Sald\u0131r\u0131lar\u0131 Nas\u0131l Engellenir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/kimlik-avi-nedir-nasil-onlenir\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kimlik Av\u0131 Nedir, Nas\u0131l \u00d6nlenir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/viruslu-e-mail-guvenligi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vir\u00fcsl\u00fc E-Mailler Hakk\u0131nda Al\u0131nacak \u00d6nlemler ve E-Posta G\u00fcvenli\u011fi<\/a>, <a href=\"https:\/\/uzmanposta.com\/blog\/e-posta-sunucu-destekli-antivirus-programlari\/\" target=\"_blank\" rel=\"noreferrer noopener\">E-posta Sunucu Destekli Antivir\u00fcs Programlar\u0131<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/antispam-nedir\/\" target=\"_blank\" rel=\"noreferrer noopener\">Antispam Nedir?&nbsp;<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/guvenli-e-posta-iletisimi\/\" target=\"_blank\" rel=\"noreferrer noopener\">G\u00fcvenli E-posta \u0130leti\u015fimi i\u00e7in Al\u0131nacak \u00d6nlemler<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/e-posta-uzerinden-yapilan-saldirilar-ve-alinmasi-gereken-onlemler\/\" target=\"_blank\" rel=\"noreferrer noopener\">E-Posta \u00dczerinden Yap\u0131lan Sald\u0131r\u0131lar ve Al\u0131nmas\u0131 Gereken \u00d6nlemler<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/siber-guvenlik-nedir-veri-guvenligini-nasil-saglariz\/\" target=\"_blank\" rel=\"noreferrer noopener\">Siber G\u00fcvenlik Nedir? 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Firmalar G\u00fcvenlik A\u00e7\u0131klar\u0131n\u0131 Nas\u0131l Giderebilir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/malware\/\">Malware: Nedir? Nas\u0131l Temizlenir, Nas\u0131l Bula\u015f\u0131r? \u0130\u015fletmeler E-posta G\u00fcvenli\u011fi Hususunda Malware Sald\u0131r\u0131s\u0131ndan Nas\u0131l Korunabilir?<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/uzmanposta.com\/blog\/man-in-the-middle-atagi-mitm\/\">Man-in-the-Middle Ata\u011f\u0131 (MitM) Nedir? Nas\u0131l \u00c7al\u0131\u015f\u0131r? Nas\u0131l \u00d6nlenir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Botnet, &#8220;bot y\u00f6neticisi&#8221; olarak bilinen bir bilgisayar korsan\u0131 taraf\u0131ndan uzaktan kontrol edilen, g\u00fcvenli\u011fi ihlal edilmi\u015f bilgisayarlardan veya cihazlardan olu\u015fan bir a\u011fd\u0131r. 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