{"id":478988,"date":"2023-08-09T09:41:22","date_gmt":"2023-08-09T09:41:22","guid":{"rendered":""},"modified":"2023-09-05T11:17:56","modified_gmt":"2023-09-05T11:17:56","slug":"shellcode","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/tr\/wiki\/shellcode\/","title":{"rendered":"Kabuk kodu"},"content":{"rendered":"<p>Shellcode, bilgisayar g\u00fcvenli\u011finde, bir yaz\u0131l\u0131m g\u00fcvenlik a\u00e7\u0131\u011f\u0131ndan yararlanarak hedeflenen bir yaz\u0131l\u0131m program\u0131n\u0131n davran\u0131\u015f\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131lan bir kod t\u00fcr\u00fcd\u00fcr. &quot;Kabuk kodu&quot; olarak adland\u0131r\u0131lmas\u0131n\u0131n nedeni genellikle sald\u0131rgan\u0131n sistemi kontrol edebilece\u011fi bir komut kabu\u011funu ba\u015flatmas\u0131d\u0131r. Siber g\u00fcvenlikteki bu kritik unsura kapsaml\u0131 bir bak\u0131\u015f.<\/p>\n<h2>Shellcode&#039;un K\u00f6keninin Tarihi ve \u0130lk S\u00f6z\u00fc<\/h2>\n<p>Shellcode&#039;un k\u00f6kleri, g\u00fcvenli\u011fin bug\u00fcnk\u00fc kadar sa\u011flam bir \u015fekilde anla\u015f\u0131lmad\u0131\u011f\u0131 veya uygulanmad\u0131\u011f\u0131 a\u011fa ba\u011fl\u0131 bilgisayarlar\u0131n ilk g\u00fcnlerine dayanmaktad\u0131r.<\/p>\n<ul>\n<li><strong>1980&#039;lerin ba\u015f\u0131<\/strong>: \u201cKabuk kodu\u201d terimi muhtemelen ilk kez bu d\u00f6nemde, UNIX hacklemesinin ilk dalgas\u0131 s\u0131ras\u0131nda ortaya \u00e7\u0131kt\u0131.<\/li>\n<li><strong>1990&#039;lar\u0131n sonu<\/strong>: \u0130nternetin geni\u015flemesiyle birlikte, \u00f6zellikle arabellek ta\u015fmas\u0131 sald\u0131r\u0131lar\u0131 daha yayg\u0131n hale geldik\u00e7e, kabuk kodu daha yayg\u0131n olarak kullan\u0131lmaya ve \u00fczerinde \u00e7al\u0131\u015f\u0131lmaya ba\u015fland\u0131.<\/li>\n<\/ul>\n<h2>Shellcode Hakk\u0131nda Detayl\u0131 Bilgi: Konuyu Geni\u015fletmek<\/h2>\n<p>Shellcode, esas olarak, istismar edilen bir program\u0131n \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131 dikkatle haz\u0131rlanm\u0131\u015f talimatlar\u0131n bir listesidir. Bu talimatlar genellikle makine koduyla yaz\u0131l\u0131r. Kay\u0131tlar\u0131 ve bir i\u015fletim sisteminin i\u015flevselli\u011fini do\u011frudan de\u011fi\u015ftirmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<h3>Anahtar kavramlar:<\/h3>\n<ol>\n<li><strong>Arabellek Ta\u015fmas\u0131<\/strong>: Bu, bir program\u0131n ara belle\u011fe tutabilece\u011finden daha fazla veri yazd\u0131\u011f\u0131, kabuk kodu kullanan bir\u00e7ok istismar\u0131n temelini olu\u015fturur.<\/li>\n<li><strong>S\u00f6m\u00fcr\u00fc<\/strong>: Shellcode, bir program\u0131 veya hatta t\u00fcm sistemi yetkisiz yollarla manip\u00fcle etmek i\u00e7in kullan\u0131labilir.<\/li>\n<li><strong>Y\u00fck<\/strong>: Bu, kodun, kabuk olu\u015fturmak gibi ama\u00e7lanan k\u00f6t\u00fc ama\u00e7l\u0131 g\u00f6revi ger\u00e7ekle\u015ftiren k\u0131sm\u0131d\u0131r.<\/li>\n<\/ol>\n<h2>Shellcode&#039;un \u0130\u00e7 Yap\u0131s\u0131: Shellcode Nas\u0131l \u00c7al\u0131\u015f\u0131r?<\/h2>\n<p>Shellcode iki ana bile\u015fenden olu\u015fur:<\/p>\n<ol>\n<li><strong>Y\u00fckleyici<\/strong>: Bu, kodun geri kalan\u0131n\u0131n (y\u00fck) \u00e7al\u0131\u015fmas\u0131n\u0131 sa\u011flar. Genellikle y\u00fck i\u00e7in gerekli ortam\u0131 ayarlar.<\/li>\n<li><strong>Y\u00fck<\/strong>: Sald\u0131rgan\u0131n istedi\u011fi eylemi ger\u00e7ekle\u015ftiren as\u0131l k\u00f6t\u00fc ama\u00e7l\u0131 koddur.<\/li>\n<\/ol>\n<h2>Shellcode&#039;un Temel \u00d6zelliklerinin Analizi<\/h2>\n<p>Temel \u00f6zelliklerden baz\u0131lar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li><strong>K\u00fc\u00e7\u00fck boy<\/strong>: \u00c7o\u011funlukla k\u0131s\u0131tl\u0131 bir alana s\u0131\u011fmak zorundad\u0131r.<\/li>\n<li><strong>Pozisyon Ba\u011f\u0131ms\u0131zl\u0131\u011f\u0131<\/strong>: Belirli adreslere ba\u011fl\u0131 olmad\u0131\u011f\u0131ndan farkl\u0131 ba\u011flamlarda \u00e7al\u0131\u015fabilir.<\/li>\n<li><strong>NULL bayt yok<\/strong>: \u00c7o\u011fu zaman NULL bayt i\u00e7ermemelidir \u00e7\u00fcnk\u00fc bu, C programlar\u0131ndaki dizeleri sonland\u0131rabilir.<\/li>\n<\/ul>\n<h2>Kabuk Kodu T\u00fcrleri: Genel Bak\u0131\u015f<\/h2>\n<p>\u0130\u015fte farkl\u0131 t\u00fcrlerin bir listesi ve k\u0131sa a\u00e7\u0131klamas\u0131:<\/p>\n<ol>\n<li><strong>Yerel Kabuk Kodu<\/strong>: Yerel sisteme yap\u0131lan sald\u0131r\u0131larda kullan\u0131l\u0131r.<\/li>\n<li><strong>Uzak Kabuk Kodu<\/strong>: Uzak sistemlere yap\u0131lan sald\u0131r\u0131larda kullan\u0131l\u0131r.<\/li>\n<li><strong>Shellcode&#039;u \u0130ndirin ve \u00c7al\u0131\u015ft\u0131r\u0131n<\/strong>: Bir dosyay\u0131 indirir ve \u00e7al\u0131\u015ft\u0131r\u0131r.<\/li>\n<li><strong>A\u015famal\u0131 Kabuk Kodu<\/strong>: A\u015famalar halinde sunulur ve genellikle karma\u015f\u0131k istismarlarda kullan\u0131l\u0131r.<\/li>\n<\/ol>\n<h2>Shellcode&#039;u Kullanma Yollar\u0131, Sorunlar ve \u00c7\u00f6z\u00fcmler<\/h2>\n<p>Shellcode genellikle etik olmayan hacklemelerde kullan\u0131l\u0131r ancak g\u00fcvenlik ara\u015ft\u0131rmac\u0131lar\u0131 i\u00e7in de g\u00fc\u00e7l\u00fc bir ara\u00e7 olabilir.<\/p>\n<h3>Sorunlar:<\/h3>\n<ul>\n<li>Modern g\u00fcvenlik ara\u00e7lar\u0131yla alg\u0131lama.<\/li>\n<li>Farkl\u0131 sistem ve ortamlardaki farkl\u0131l\u0131klar.<\/li>\n<\/ul>\n<h3>\u00c7\u00f6z\u00fcmler:<\/h3>\n<ul>\n<li>Polimorfik veya kendi kendini de\u011fi\u015ftiren kod yazma.<\/li>\n<li>\u00c7e\u015fitli ortamlarda test.<\/li>\n<\/ul>\n<h2>Ana \u00d6zellikler ve Benzer Terimlerle Kar\u015f\u0131la\u015ft\u0131rmalar<\/h2>\n<table>\n<thead>\n<tr>\n<th>Terim<\/th>\n<th>Tan\u0131m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kabuk kodu<\/td>\n<td>Bir sistemi kontrol etmek amac\u0131yla bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131ndan yararlanmak i\u00e7in kullan\u0131lan kod<\/td>\n<\/tr>\n<tr>\n<td>Faydalanmak<\/td>\n<td>G\u00fcvenlik a\u00e7\u0131\u011f\u0131ndan yararlanman\u0131n bir yolu<\/td>\n<\/tr>\n<tr>\n<td>Y\u00fck<\/td>\n<td>Bir istismar\u0131n istenen eylemi ger\u00e7ekle\u015ftiren k\u0131sm\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Shellcode ile \u0130lgili Gelece\u011fin Perspektifleri ve Teknolojileri<\/h2>\n<p>Sistemler daha g\u00fcvenli hale geldik\u00e7e kabuk kodu tekniklerinin de geli\u015fmesi gerekiyor. Gelecekteki y\u00f6nler \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><strong>Geli\u015fmi\u015f Ka\u00e7\u0131nma Teknikleri<\/strong>: Alg\u0131lanmay\u0131 \u00f6nlemek i\u00e7in.<\/li>\n<li><strong>Otomasyon ve Yapay Zeka<\/strong>: Daha ak\u0131ll\u0131, uyarlanabilir kabuk kodu.<\/li>\n<\/ul>\n<h2>Proxy Sunucular\u0131 Nas\u0131l Kullan\u0131labilir veya Shellcode ile \u0130li\u015fkilendirilebilir?<\/h2>\n<p>OneProxy gibi proxy sunucular kabuk kodu etkinliklerine birka\u00e7 \u015fekilde dahil olabilir:<\/p>\n<ol>\n<li><strong>Anonimlik<\/strong>: Sald\u0131rganlar kimliklerini gizlemek i\u00e7in proxy kullanabilir.<\/li>\n<li><strong>G\u00fcvenlik Ara\u015ft\u0131rmas\u0131<\/strong>: Proxy&#039;ler sald\u0131r\u0131lar\u0131, balk\u00fcplerini incelemek veya savunma geli\u015ftirmek i\u00e7in kullan\u0131labilir.<\/li>\n<\/ol>\n<h2>\u0130lgili Ba\u011flant\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.owasp.org\/index.php\/Shellcode\" target=\"_new\" rel=\"noopener nofollow\">OWASP: Kabuk kodu<\/a><\/li>\n<li><a href=\"https:\/\/cve.mitre.org\/\" target=\"_new\" rel=\"noopener nofollow\">MITRE: Kabuk Kodu Teknikleri<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/tr\/\" target=\"_new\" rel=\"noopener\">OneProxy: G\u00fcvenlik ve Anonimlik \u00c7\u00f6z\u00fcmleri<\/a><\/li>\n<\/ul>\n<p>L\u00fctfen kabuk kodunun etik kullan\u0131m\u0131n\u0131n zorunlu oldu\u011funu unutmay\u0131n. Yetkisiz bilgisayar korsanl\u0131\u011f\u0131 faaliyetlerinde bulunmak yasa d\u0131\u015f\u0131d\u0131r ve etik de\u011fildir. Her zaman uygun izinleri al\u0131n ve ge\u00e7erli t\u00fcm yasalara uyun.<\/p>","protected":false},"featured_media":478989,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478988","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Shellcode<\/mark>","faq_items":[{"question":"What is Shellcode and why is it called that?","answer":"<p>Shellcode is a type of code used in computer security to control the behavior of a targeted software program through exploitation of a software vulnerability. It is named \"shellcode\" because it often starts a command shell from which the attacker can control the system.<\/p>"},{"question":"What is the history of the origin of Shellcode?","answer":"<p>Shellcode originated in the early 1980s, likely during the initial wave of UNIX hacking. It became more widely used and studied in the late 1990s with the expansion of the Internet and the rise of buffer overflow attacks.<\/p>"},{"question":"How does Shellcode work, and what are its main components?","answer":"<p>Shellcode consists of two main components: the loader and the payload. The loader gets the payload running, often setting up the necessary environment, while the payload is the actual malicious code that performs the action the attacker wants.<\/p>"},{"question":"What are the key features of Shellcode?","answer":"<p>Key features of Shellcode include its small size, position independence (not relying on specific addresses), and the absence of NULL bytes in many instances.<\/p>"},{"question":"What types of Shellcode exist?","answer":"<p>Types of Shellcode include local shellcode (used on local systems), remote shellcode (used on remote systems), download and execute shellcode (downloads and executes a file), and staged shellcode (delivered in stages for complex exploits).<\/p>"},{"question":"What are some common problems and solutions related to Shellcode?","answer":"<p>Problems with Shellcode include detection by security tools and variations in systems. Solutions may involve writing polymorphic code and testing in various environments.<\/p>"},{"question":"How are proxy servers like OneProxy related to Shellcode?","answer":"<p>Proxy servers like OneProxy can be involved with Shellcode in providing anonymity for attackers or being used in security research, such as studying attacks or developing defenses.<\/p>"},{"question":"What are the future perspectives and technologies related to Shellcode?","answer":"<p>Future directions for Shellcode include the development of advanced evasion techniques and the use of automation and AI to create more intelligent, adaptive shellcode.<\/p>"},{"question":"Where can I find more information about Shellcode?","answer":"<p>You can find more detailed information about Shellcode at resources like <a href=\"https:\/\/www.owasp.org\/index.php\/Shellcode\" target=\"_new\">OWASP<\/a>, <a href=\"https:\/\/cve.mitre.org\/\" target=\"_new\">MITRE<\/a>, and <a href=\"https:\/\/oneproxy.pro\" target=\"_new\">OneProxy<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478988","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/wiki\/478988\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media\/478989"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/tr\/wp-json\/wp\/v2\/media?parent=478988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}