Cyber Security Transformation Chef (CSTC)

Presented at DEF CON 32 (2024), Aug. 10, 2024, 10 a.m. (105 minutes).

Imagine GCHQ's CyberChef integrated in BurpSuite with live modification of requests at your fingertips. That's exactly what we had in mind when we built the Cyber Security Transformation Chef (CSTC) a few years ago. The CSTC is an extension to the popular BurpSuite Proxy built for experts working with web applications. It enables users to define recipes that are applied to outgoing or incoming HTTP requests/responses automatically. Whatever quirks and specialties an application might challenge you with during an assessment, the CSTC has you covered. Furthermore, it allows to quickly apply custom formatting to a chosen message, if a more detailed analysis is needed. After the initial release the CSTC is finally back! It contains new features and improvements such as many new operations to be used in recipes, inclusion of community requested features and a refactoring of the codebase. Alongside the CTSC we will launch a new public repository with recipes we found useful in our experience as penetration testers and of course open for contribution by the community. This helps the community to solve common challenges and getting started working with the CSTC.

Presenters:

  • Florian Haag - Managing Security Consultant at usd AG
    Florian Haag is a managing security consultant at usd AG with experience in penetration testing, software security assessments as well as code reviews. He is specialized in penetration tests of thick client applications, leveraging his background in software development to reverse engineer proprietary client applications and network protocols. In addition, he maintains several open source tools for web application pentesting presented at international conferences like BlackHat and DEF CON.
  • Matthias Göhring - Security Consultant and Penetration Tester at usd AG
    Matthias Göhring is security consultant and penetration tester at usd AG, an information security company based in Germany with the mission #moresecurity. He is Head of usd HeroLab, the division of usd specialized in technical security assessments. In addition, he holds lectures at Technical University Darmstadt and University of Applied Sciences Darmstadt on ethical hacking and penetration testing. In previous scientific work, he focused on network and communication security as well as software security.

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