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В Spring MVC есть классная фича — autobinding. Но если пользоваться ей неправильно, могут появиться «незаметные» уязвимости, иногда с серьёзным импактом. Рассмотрим пару примеров, углубимся в тонкости появления autobinding-багов. Writeup [ENG]: http://agrrrdog.blogspot.ru/2017/03/autobinding-vulns-and-spring-mvc.html

[Defcon Russia #29] Алексей Тюрин - Spring autobinding

DefconRussia

Руткиты в мире основанных на ядре Linux операционных систем уже не являются редкостью. Рассказ будет о том, как попытки в современных реалиях определить то, скомпрометирована ли система, привели к неожиданному результату.

[Defcon Russia #29] Михаил Клементьев - Обнаружение руткитов в GNU/Linux

DefconRussia

Георгий Зайцев - Reversing golang

DefconRussia

Мы поговорим об общей проблеме валидации входных данных и качестве их обработки. Интерпретация входящих данных оказывает прямое влияние на решения, принимаемые в физической инфраструктуре: если какая-либо часть данных обрабатывается недостаточно аккуратно, это может повлиять на эффективность и безопасность процесса. В этой беседе мы обсудим атаки на процесс обработки данных и природу концепции «never trust your inputs» в контексте информационно-физических систем (в общем смысле, то есть любых подобных систем). Для иллюстрации проблемы мы используем уязвимости аналого-цифровых преобразователей (АЦП), которые можно заставить выдавать поддельный цифровой сигнал с помощью изменения частоты и фазы входящего аналогового сигнала: ошибка масштабирования такого сигнала может вызывать целочисленное переполнение и дает возможность эксплуатировать уязвимости в логике PLC/встроенного ПО. Также мы покажем реальные примеры использования подобных уязвимостей и последствия этих нападений.

[DCG 25] Александр Большев - Never Trust Your Inputs or How To Fool an ADC

DefconRussia

Cisco network equipment has always been an attractive attack target due to its prevalence and the key role that it plays in network structure and security. This equipment is based on a wide variety of OS (firmware) architectures, types, and versions, so it is much harder to develop a universal shellcode. Publicly available Cisco IOS shellcodes are tailored to specific equipment, have narrow functionality, and are not exactly useful for penetration testing. This talk is the presentation of a research initiated by our research center to create a shellcode which is as easily portable between different IOS firmwares as possible and which provides a lot of pentesting features because it can dynamically change the shellcode destination at the stage of post-exploitation. We will also consider the possibility of creating a worm which could spread across the infrastructure, from firewall to router, from router to switch, etc.

Cisco IOS shellcode: All-in-one

DefconRussia

Олег Купреев - Обзор и демонстрация нюансов и трюков из области беспроводных ...

DefconRussia

HTTP HOST header attacks

DefconRussia

Attacks on tacacs - Алексей Тюрин

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Miasm defcon russia 23

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Расскажу где и как iCloud Keychain хранит пароли, и какие потенциальные риски это несёт. Apple утверждает, что пароли надежно защищены, и даже её сотрудники не могут получить к ним доступ. Чтобы это подтвердить или опровергнуть, необходимо разобраться с внутренним устройством iCloud Keychain, чем мы и займемся.

Andrey Belenko, Alexey Troshichev - Внутреннее устройство и безопасность iClo...

DefconRussia

Все шире и шире получают распространение bugbounty программы - программы вознаграждения за уязвимости различных вендоров. И порой при поиске уязвимостей находятся места, которые явно небезопасны (например - self XSS), но доказать от них угрозу сложно. Но чем крупнее (хотя, скорее адекватнее) вендор, тем они охотнее обсуждают и просят показать угрозу от сообщенной уязвимости, и при успехе – вознаграждают 8). Мой доклад – подборка таких сложных ситуаций и рассказ, как же можно доказать угрозу.

Sergey Belov - Покажите нам Impact! Доказываем угрозу в сложных условиях

DefconRussia

Мои последние исселодования показали, что у SharePoint есть определенное количество вэб сервисов, которые могут помочь аудитору собрать крайне полезную информацию с сайта (списки пользователей, групп, ролей и т д). Также данные сервисы, в комбинации с хранимыми XSS, могут быть использованы для вертикального повышения привилегий или предоставить информацию для компрометации доменных записей AD.

George Lagoda - Альтернативное использование вэб сервисов SharePoint со сторо...

DefconRussia

Кратко расскажу о концепции изолированных сетей и возможных путях их компрометации. Сделаю обзор аппаратной закладки pwnie express- для чего создавалось, какие возможности использования. Расскажу о том как pwnie express применялась в реальном проекте, какие были трудности и что из этого вышло.

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[Defcon Russia #29] Алексей Тюрин - Spring autobinding

[Defcon Russia #29] Михаил Клементьев - Обнаружение руткитов в GNU/Linux

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[DCG 25] Александр Большев - Never Trust Your Inputs or How To Fool an ADC

Cisco IOS shellcode: All-in-one

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nosymbols - defcon russia 20

static - defcon russia 20

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Nedospasov defcon russia 23

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The Raspberry Pi 5 was announced on October 2023. This new version of the popular embedded device comes with a new iteration of Broadcom’s VideoCore GPU platform, and was released with a fully open source driver stack, developed by Igalia. The presentation will discuss some of the major changes required to support this new Video Core iteration, the challenges we faced in the process and the solutions we provided in order to deliver conformant OpenGL ES and Vulkan drivers. The talk will also cover the next steps for the open source Raspberry Pi 5 graphics stack. (c) Embedded Open Source Summit 2024 April 16-18, 2024 Seattle, Washington (US) https://events.linuxfoundation.org/embedded-open-source-summit/ https://eoss24.sched.com/event/1aBEx

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The presentation explores the development and application of artificial intelligence (AI) from its inception to its current status in the modern world. The term "artificial intelligence" was first coined by John McCarthy in 1956 to describe efforts to develop computer programs capable of performing tasks that typically require human intelligence. This concept was first introduced at a conference held at Dartmouth College, where programs demonstrated capabilities such as playing chess, proving theorems, and interpreting texts. In the early stages, Alan Turing contributed to the field by defining intelligence as the ability of a being to respond to certain questions intelligently, proposing what is now known as the Turing Test to evaluate the presence of intelligent behavior in machines. As the decades progressed, AI evolved significantly. The 1980s focused on machine learning, teaching computers to learn from data, leading to the development of models that could improve their performance based on their experiences. The 1990s and 2000s saw further advances in algorithms and computational power, which allowed for more sophisticated data analysis techniques, including data mining. By the 2010s, the proliferation of big data and the refinement of deep learning techniques enabled AI to become mainstream. Notable milestones included the success of Google's AlphaGo and advancements in autonomous vehicles by companies like Tesla and Waymo. A major theme of the presentation is the application of generative AI, which has been used for tasks such as natural language text generation, translation, and question answering. Generative AI uses large datasets to train models that can then produce new, coherent pieces of text or other media. The presentation also discusses the ethical implications and the need for regulation in AI, highlighting issues such as privacy, bias, and the potential for misuse. These concerns have prompted calls for comprehensive regulations to ensure the safe and equitable use of AI technologies. Artificial intelligence has also played a significant role in healthcare, particularly highlighted during the COVID-19 pandemic, where it was used in drug discovery, vaccine development, and analyzing the spread of the virus. The capabilities of AI in healthcare are vast, ranging from medical diagnostics to personalized medicine, demonstrating the technology's potential to revolutionize fields beyond just technical or consumer applications. In conclusion, AI continues to be a rapidly evolving field with significant implications for various aspects of society. The development from theoretical concepts to real-world applications illustrates both the potential benefits and the challenges that come with integrating advanced technologies into everyday life. The ongoing discussion about AI ethics and regulation underscores the importance of managing these technologies responsibly to maximize their their benefits while minimizing potential harms.

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Explore 'The Codex of Business: Writing Software for Real-World Solutions,' a compelling SlideShare presentation that delves into digital transformation in healthcare. Discover through a detailed case study how Agile methodologies empower healthcare providers to develop, iterate, and refine digital solutions that address real-world challenges. Learn how strategic planning, user feedback, and continuous improvement drive success in deploying technologies that enhance patient care and operational efficiency. Ideal for healthcare professionals, IT specialists, and digital transformation advocates seeking actionable insights and practical examples of technology making a real difference.

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What are drone anti-jamming systems? The drone anti-jamming systems and anti-spoof technology protect against interference, jamming, and spoofing of the UAVs. To protect their security, countries are beginning to research drone anti-jamming systems, also known as drone strike weapons. The anti-jam and anti-spoof technology protects against interference, jamming and spoofing. A drone strike weapon is a drone attack weapon that can attack and destroy enemy drones. So what is so unique about this amazing system?

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The 7 Things I Know About Cyber Security After 25 Years | April 2024

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Microsoft's Threat Matrix for Kubernetes helps organizations understand the attack surface a Kubernetes deployment introduces to their environments. This ensures that adequate detections and mitigations are in place. By covering over 40 different attacker techniques, defenders can learn about Kubernetes-specific mitigations and controls to deploy to their environments. In this session, we will explore the MS-TA9013 Host Path Mount technique, which is commonly used by attackers to perform privilege escalation in a Kubernetes cluster. Attendees will learn how attackers and defenders can: * Escape the container's host volume mount to gain persistence on an underlying node * Move laterally from the underlying node into the customer's cloud environment * Analyze Kubernetes audit logs to detect pods deployed with a hostPath mount * Deploy an admission controller that prevents new pods from using a hostPath mount

Breaking the Kubernetes Kill Chain: Host Path Mount

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Heather Hedden, Senior Consultant at Enterprise Knowledge, presented “The Role of Taxonomy and Ontology in Semantic Layers” at a webinar hosted by Progress Semaphore on April 16, 2024. Taxonomies at their core enable effective tagging and retrieval of content, and combined with ontologies they extend to the management and understanding of related data. There are even greater benefits of taxonomies and ontologies to enhance your enterprise information architecture when applying them to a semantic layer. A survey by DBP-Institute found that enterprises using a semantic layer see their business outcomes improve by four times, while reducing their data and analytics costs. Extending taxonomies to a semantic layer can be a game-changing solution, allowing you to connect information silos, alleviate knowledge gaps, and derive new insights. Hedden, who specializes in taxonomy design and implementation, presented how the value of taxonomies shouldn’t reside in silos but be integrated with ontologies into a semantic layer. Learn about: - The essence and purpose of taxonomies and ontologies in information and knowledge management; - Advantages of semantic layers leveraging organizational taxonomies; and - Components and approaches to creating a semantic layer, including the integration of taxonomies and ontologies

The Role of Taxonomy and Ontology in Semantic Layers - Heather Hedden.pdf

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With more memory available, system performance of three Dell devices increased, which can translate to a better user experience Conclusion When your system has plenty of RAM to meet your needs, you can efficiently access the applications and data you need to finish projects and to-do lists without sacrificing time and focus. Our test results show that with more memory available, three Dell PCs delivered better performance and took less time to complete the Procyon Office Productivity benchmark. These advantages translate to users being able to complete workflows more quickly and multitask more easily. Whether you need the mobility of the Latitude 5440, the creative capabilities of the Precision 3470, or the high performance of the OptiPlex Tower Plus 7010, configuring your system with more RAM can help keep processes running smoothly, enabling you to do more without compromising performance.

Boost PC performance: How more available memory can improve productivity

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As privacy and data protection regulations evolve rapidly, organizations operating in multiple jurisdictions face mounting challenges to ensure compliance and safeguard customer data. With state-specific privacy laws coming up in multiple states this year, it is essential to understand what their unique data protection regulations will require clearly. How will data privacy evolve in the US in 2024? How to stay compliant? Our panellists will guide you through the intricacies of these states' specific data privacy laws, clarifying complex legal frameworks and compliance requirements. This webinar will review: - The essential aspects of each state's privacy landscape and the latest updates - Common compliance challenges faced by organizations operating in multiple states and best practices to achieve regulatory adherence - Valuable insights into potential changes to existing regulations and prepare your organization for the evolving landscape

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Peter Hlavaty - DBIFuzz

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