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YouTube

Enter Sandbox

Black Hat via YouTube

Overview

Explore the intricacies of application sandboxing in this 35-minute Black Hat conference talk. Delve into the challenges of automatically generating seccomp filters for Linux applications to mitigate potential attacks. Learn about Linux seccomp filtering, its implementation challenges, and innovative solutions like Sourcalyzer, Binalyzer, and Finalyzer. Discover how these tools can extract system calls, set up filters, and improve application security. Examine the performance, functional correctness, and security implications of these techniques, including their effectiveness against real-world exploits like return-oriented programming. Gain valuable insights into enhancing application security in increasingly complex software environments.

Syllabus

Intro
Motivation
Linux Seccomp
Seccomp BPF
libseccomp
Challenges
Sourcalyzer
Call Graph Example
Key Aspects
Binalyzer: Overview
System Call Mapping
Finalyzer: Overview
libchestnut
ChestnutPatcher and Chestnut Generator
Evaluation: Performance
Evaluation: Seccomp
Evaluation: Functional Correctness
Evaluation Security
Mitigating Real-World Exploits
Return-oriented programming
Recap

Taught by

Black Hat

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