Ausnutzung von Pufferüberläufen und Umgehung von Schutzmechanismen
Ein tiefer Einblick in Speicherbeschädigungs-Schwachstellen, Ausnutzung und Verteidigung
Speicherkorruption zählt zu den schwerwiegendsten Klassen von Softwareschwachstellen. Dieses Buch vermittelt die Grundlagen, moderne Exploitation-Techniken und wirksame Schutzmaßnahmen und richtet sich an IT-Sicherheitsexperten sowie Schwachstellenforscher.
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Dieses Buch bietet eine umfassende und technisch fundierte Darstellung von Speicherkorruptionsschwachstellen – von den Grundlagen der CPU-Architektur, die deren Entstehung ermöglichen, bis hin zu den fortgeschrittenen Exploitation-Techniken und modernen Schutzmechanismen, welche die heutige Sicherheitslandschaft prägen. Beginnend mit der Architektur des Computerspeichers, dem Aufbau von Prozessen und den Grundlagen der Assemblersprache führt es über stackbasierte und heapbasierte Pufferüberläufe, Use-after-Free-Schwachstellen, Format-String-Schwachstellen sowie verwandte Speicherkorruptionsfehler. Das Buch behandelt Konzepte der Exploit-Entwicklung, darunter Shellcode, Return-Oriented Programming (ROP), Jump-Oriented Programming (JOP) und Information Leaks sowohl auf Windows- als auch auf Linux-Plattformen. Moderne Schutzmechanismen wie DEP/NX, ASLR, Stack-Canaries, Intel CET, ARM PAC und Control Flow Integrity (CFI) werden eingehend untersucht, ebenso wie das fortlaufende Wettrüsten zwischen Exploitation-Forschung und Verteidigungsmechanismen. Die abschließenden Kapitel befassen sich mit Methoden der Schwachstellenforschung, Fuzzing, sicheren Programmierpraktiken und der Reaktion auf Sicherheitsvorfälle. Dieses Buch richtet sich an IT-Sicherheitsexperten, Reverse Engineers, Schwachstellenforscher sowie fortgeschrittene Studierende, die Speicherkorruption auf ihrem tiefsten technischen Niveau verstehen möchten, um Systeme wirksam schützen zu können. Sämtliche beschriebenen Techniken werden ausschließlich im Kontext ethischer Sicherheitsforschung und verantwortungsvoller Offenlegung von Schwachstellen dargestellt.
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Steve is a technology professional with more than 20 years of experience in software development, server infrastructure, cybersecurity, vulnerability research and reverse engineering. Throughout his career, he has designed, secured, analyzed and tested complex software and infrastructure, with a particular focus on understanding how systems fail and how they can be made more secure.
Outside of work, Steve enjoys sharing knowledge with the technology community. He collaborates with researchers, industry experts and technology professionals to write practical books covering software development, cybersecurity, cloud computing, networking, DevOps, artificial intelligence and enterprise technologies. His books focus on practical learning through clear explanations, real-world examples and hands-on exercises. With more than two decades of industry experience, his goal is to help IT professionals, students and technology enthusiasts build useful skills and stay current in a rapidly changing industry.
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