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  1. 24 Aug 2019

    That's how AFL mutates input file.

  2. Jan 6

    During we released a couple of Docker images to simplify with AFL and related tools, including a Demo-Docker on how AFL++ can be used

  3. 2 Dec 2019

    I wrote a small tool to "recreate" AFL's mutation chain from a given seed/crash. It can also produce a graph that shows the relationship between seeds and the mutations that led to the creation of those seeds Hopefully it's useful to peeps

  4. 7 Feb 2019

    ClusterFuzz, an infrastructure used for fuzzing Chrome and OSS-Fuzz, is open source now! Enjoy responsibly :) Blog: Code:

  5. 25 Jun 2019
  6. 8 Dec 2019

    Shoutout to programmers in Sweden: Is there any interest in arranging a meetup? There is one in the Bay area, far far away... Please RT for reach.

  7. 23 Feb 2019
  8. 3 May 2019

    "Throwing 500 vm's at your target being an individual security researcher", sharing my knowledge with you:

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  9. 29 Oct 2019

    History of symbolic execution (as well as SAT/SMT solving, fuzzing, and taint data tracking)

  10. afl++ 2.53c has been released! faster instrumentation option, new mutator, unicorn_mode, laf-intel for qemu and much, much more :)

  11. 11 Dec 2019

    Finding Vulnerabilities in Closed Source Windows Software by Applying Fuzzing

  12. Jan 29

    Fuzzing software: common challenges and potential solutions (Part 1)

  13. 12 Sep 2019
  14. 25 Jul 2019

    The legendary AFL fuzzer developed by is now on GitHub:

  15. For a very particular reason, I needed to compile the WinAFL fuzzer, though the project offers binary versions for x86 and x64, and I've noticed why many people have problems to do it on their own. Thus, I've made a short procedure to do it:

  16. 12 Aug 2019

    Just shared slides from my DEFCON talk. Check it out here:

  17. 11 Sep 2019

    Interesting work on fuzzing the kernel with unicorn.

  18. is live! Anyone can sign up and fuzz their code for free at - as a service

  19. 21 Jan 2019

    Fuzzing HTTP server, A format string vulnerability was found in Mozilla PDF.js

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  20. afl++ 2.59c was released: - new: radamsa, qbdi fuzzing, python3, llvm10, more *BSD and Android support and many more things :)

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