[{"id":71,"title":"\u00d6nemli Windows Event Log SIEM Kullan\u0131m Senaryolar\u0131","content":"<p>Windows Event Loglar\u0131, g&uuml;venlik operasyonlar\u0131 ve SIEM (Security Information and Event Management) &ccedil;&ouml;z&uuml;mleri i&ccedil;in kritik &ouml;neme sahiptir. Bu loglar, sald\u0131r\u0131 tespiti, uyumluluk izleme ve a\u011f g&uuml;venli\u011fi analizleri i&ccedil;in kullan\u0131labilir. A\u015fa\u011f\u0131da, Windows Event ID'lerine dayal\u0131 <strong>&nbsp;&ouml;nemli SIEM kullan\u0131m senaryosunu<\/strong>&nbsp;bulabilirsiniz.<\/p>\r\n<h2><strong>1. Kimlik Do\u011frulama ve Eri\u015fim Kontrol&uuml;<\/strong><\/h2>\r\n<ol start=\"1\">\r\n<li>\r\n<p><strong>Ba\u015far\u0131s\u0131z Giri\u015f Denemeleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4625<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Hesap Kilitlemeleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4740<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>&Ccedil;al\u0131\u015fma Saatleri D\u0131\u015f\u0131nda Ba\u015far\u0131l\u0131 Giri\u015f<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4624<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Yeni Kullan\u0131c\u0131 Olu\u015fturma<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4720<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Ayr\u0131cal\u0131kl\u0131 Hesap Kullan\u0131m\u0131<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4672<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Kullan\u0131c\u0131 Hesab\u0131 De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4722, 4723, 4724, 4725, 4726<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Al\u0131\u015f\u0131lmad\u0131k Konumlardan Giri\u015f<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4624<\/strong>&nbsp;(Co\u011frafi konum analizi ile)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>\u015eifre De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4723<\/strong>&nbsp;(de\u011fi\u015fiklik denemesi),&nbsp;<strong>4724<\/strong>&nbsp;(ba\u015far\u0131l\u0131 s\u0131f\u0131rlama)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Grup &Uuml;yelik De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4727, 4731, 4735, 4737<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>\u015e&uuml;pheli Giri\u015f Desenleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4624<\/strong>&nbsp;(anormal giri\u015fler)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>A\u015f\u0131r\u0131 Giri\u015f Ba\u015far\u0131s\u0131zl\u0131klar\u0131<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4625<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Devre D\u0131\u015f\u0131 B\u0131rak\u0131lm\u0131\u015f Hesap Aktivitesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4725<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Uzun S&uuml;redir Kullan\u0131lmayan Hesaplar\u0131n Aktivitesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4624<\/strong>&nbsp;(nadiren kullan\u0131lan hesaplar)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Servis Hesab\u0131 Aktivitesi<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4624, 4672<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>RDP Eri\u015fim \u0130zleme<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4624<\/strong>&nbsp;(RDP filtreleme ile)<\/p>\r\n<\/li>\r\n<\/ol>\r\n<h2><strong>2. A\u011f ve Sistem Hareketleri<\/strong><\/h2>\r\n<ol start=\"16\">\r\n<li>\r\n<p><strong>Yanal Hareket Tespiti<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4648<\/strong>&nbsp;(a\u011f giri\u015fleri)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Dosya ve Klas&ouml;r Eri\u015fimi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4663<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Yetkisiz Dosya Payla\u015f\u0131m\u0131<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>5140, 5145<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Kay\u0131t Defteri De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4657<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Uygulama Y&uuml;kleme ve Kald\u0131rma<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>11707, 1033<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>USB Cihaz Kullan\u0131m\u0131<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>20001, 20003<\/strong>&nbsp;(Cihaz Y&ouml;netimi loglar\u0131ndan)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Windows G&uuml;venlik Duvar\u0131 De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4946, 4947, 4950, 4951<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Zamanlanm\u0131\u015f G&ouml;rev Olu\u015fturma<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4698<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Proses &Ccedil;al\u0131\u015ft\u0131rma \u0130zleme<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4688<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Sistem Yeniden Ba\u015flatma veya Kapatma<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>6005, 6006, 1074<\/strong><\/p>\r\n<\/li>\r\n<\/ol>\r\n<h2><strong>3. G&uuml;venlik \u0130hlali ve Log Manip&uuml;lasyonu<\/strong><\/h2>\r\n<ol start=\"26\">\r\n<li>\r\n<p><strong>Event Log Temizleme<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>1102<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>K&ouml;t&uuml; Ama&ccedil;l\u0131 Yaz\u0131l\u0131m &Ccedil;al\u0131\u015ft\u0131rma<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4688, 1116<\/strong>&nbsp;(Windows Defender loglar\u0131ndan)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Active Directory De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>5136, 5141<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Shadow Copy Silinmesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>524<\/strong>&nbsp;(VSSAdmin loglar\u0131 ile)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>A\u011f Yap\u0131land\u0131rma De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4254, 4255, 10400<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>\u015e&uuml;pheli Script &Ccedil;al\u0131\u015ft\u0131rma<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4688<\/strong>&nbsp;(script yorumlay\u0131c\u0131 ile proses olu\u015fturma)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Servis Y&uuml;kleme veya De\u011fi\u015ftirme<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4697<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Denetim Loglar\u0131n\u0131n Temizlenmesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>1102<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Yaz\u0131l\u0131m K\u0131s\u0131tlama Politikas\u0131 \u0130hlali<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>865<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>A\u015f\u0131r\u0131 Hesap Numaraland\u0131rma<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4625, 4776<\/strong><\/p>\r\n<\/li>\r\n<\/ol>\r\n<h2><strong>4. Geli\u015fmi\u015f Tehdit Tespiti<\/strong><\/h2>\r\n<ol start=\"36\">\r\n<li>\r\n<p><strong>Hassas Dosyalara Eri\u015fim Denemesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4663<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Al\u0131\u015f\u0131lmad\u0131k Proses Enjeksiyonu<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4688<\/strong>&nbsp;(EDR veya Sysmon verisi ile)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>S&uuml;r&uuml;c&uuml; Y&uuml;kleme<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>7045<\/strong>&nbsp;(Service Control Manager)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Zamanlanm\u0131\u015f G&ouml;rev De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4699<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Yetkisiz GPO De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>5136<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>\u015e&uuml;pheli PowerShell Aktivitesi<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4104<\/strong>&nbsp;(PowerShell loglar\u0131ndan)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Al\u0131\u015f\u0131lmad\u0131k A\u011f Ba\u011flant\u0131lar\u0131<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>5156<\/strong>&nbsp;(a\u011f filtreleme platformu)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Payla\u015f\u0131lan Dosyalara Yetkisiz Eri\u015fim<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>5145<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Zararl\u0131 Domain DNS Sorgusu<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>5158<\/strong>&nbsp;(DNS loglar\u0131 gerektirir)<\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>LDAP Arama \u0130stismar\u0131<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4662<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Proses Sonland\u0131rma \u0130zleme<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>4689<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Servis Ba\u015flatma Ba\u015far\u0131s\u0131zl\u0131klar\u0131<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>7041<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Denetim Politikas\u0131 De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4719, 1102<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>Zaman De\u011fi\u015fikli\u011fi \u0130zleme<\/strong>&nbsp;&ndash; Event IDs:&nbsp;<strong>4616, 520<\/strong><\/p>\r\n<\/li>\r\n<li>\r\n<p><strong>BitLocker \u015eifreleme Anahtar\u0131 De\u011fi\u015fiklikleri<\/strong>&nbsp;&ndash; Event ID:&nbsp;<strong>5379<\/strong><\/p>\r\n<\/li>\r\n<\/ol>\r\n<p>Windows Event Loglar\u0131, SIEM &ccedil;&ouml;z&uuml;mleriyle entegre edilerek g&uuml;venlik tehditlerini tespit etmek i&ccedil;in kullan\u0131labilir. Yukar\u0131daki <strong>kullan\u0131m senaryosu<\/strong>, kurulu\u015flar\u0131n olas\u0131 sald\u0131r\u0131lar\u0131 ve anormal aktiviteleri belirlemesine yard\u0131mc\u0131 olur. Bu loglar\u0131 d&uuml;zenli olarak izlemek ve analiz etmek, siber g&uuml;venlik post&uuml;r&uuml;n&uuml; g&uuml;&ccedil;lendirmek i&ccedil;in kritik &ouml;neme sahiptir. <strong>Kaynaklar:<\/strong><\/p>\r\n<ul>\r\n<li>Microsoft G&uuml;venlik Olay Kimlikleri Belgesi<\/li>\r\n<li>MITRE ATT&amp;CK Framework<\/li>\r\n<li>SIEM En \u0130yi Uygulama K\u0131lavuzlar\u0131<\/li>\r\n<\/ul>","excerpt":"Windows Event Loglar\u0131, g\u00fcvenlik operasyonlar\u0131 ve SIEM (Security Information and Event Management) \u00e7\u00f6z\u00fcmleri i\u00e7in kritik \u00f6neme sahiptir. Bu...","created_at":"2025-05-03 10:09:54","updated_at":"2026-09-06 16:54:33","category_id":7,"view_count":993,"reading_time":4,"status":"published","editor_choice":0,"is_editor_choice":0,"published_at":"2025-05-03 10:09:54","featured_image":"resimyok.jpg","slug":"onemli-windows-event-log-siem-kullanim-senaryolari","category_name":"Cyber Security","category_slug":"cyber-security","category_color":"#10b981"}]