M. Sc. Felix Mächtle

Photo of Felix Mächtle

Wissenschaftlicher Mitarbeiter


Ratzeburger Allee 160
23562 Lübeck
Gebäude 64, 1. OG, Raum 029

Email: f.maechtle(at)uni-luebeck.de
Phone: +49 451 3101 6618
Fax: +49 451 3101 6604

Publications

2025

Jens Alich, Thomas Eisenbarth, Hossein Hadipour, Gregor Leander, Felix Mächtle, Yevhen Perehuda, Shahram Rasoolzadeh, Jonas Sander, and Cihangir Tezcan,
Attacks and Remedies for Randomness in AI: Cryptanalysis of PHILOX and THREEFRY, 2025. Cryptology ePrint Archive, Paper 2025/2161.
File: 2161
Felix Mächtle, Nils Loose, Jan-Niclas Serr, Jonas Sander, and Thomas Eisenbarth,
AutoStub: Genetic Programming-Based Stub Creation for Symbolic Execution, in Proceedings of the 18th ACM/IEEE International Workshop on Search-Based and Fuzz Testing, SBFT 2025 , 2025.
Felix Mächtle, Jan-Niclas Serr, Nils Loose, Jonas Sander, and Thomas Eisenbarth,
OCEAN: Open-World Contrastive Authorship Identification, in Applied Cryptography and Network Security (ACNS) 2025 , 2025.
Weblink: https://arxiv.org/abs/2412.05049
Bibtex: BibTeX
@misc{maechtle2024oceanopenworldcontrastiveauthorship,
      title={OCEAN: Open-World Contrastive Authorship Identification}, 
      author={Felix Mächtle and Jan-Niclas Serr and Nils Loose and Jonas Sander and Thomas Eisenbarth},
      year={2024},
      eprint={2412.05049},
      archivePrefix={arXiv},
      primaryClass={cs.AI},
      url={https://arxiv.org/abs/2412.05049}, 
}
Felix Mächtle, Ashwath Shetty, Jonas Sander, Nils Loose, Sören Pirk, and Thomas Eisenbarth,
Prompt Pirates Need a Map: Stealing Seeds helps Stealing Prompts, 2025.
Weblink: https://arxiv.org/pdf/2509.09488
Bibtex: BibTeX
@misc{maechtle2025promptpirates,
      title={Prompt Pirates Need a Map: Stealing Seeds helps Stealing Prompts}, 
      author={Felix Mächtle and Ashwath Shetty and Jonas Sander and Nils Loose and Sören Pirk and Thomas Eisenbarth},
      year={2025},
      eprint={2509.09488},
      archivePrefix={arXiv},
      primaryClass={cs.CR},
      url={https://arxiv.org/abs/2509.09488}, 
}
Felix Mächtle, Nils Loose, Tim Schulz, Florian Sieck, Jan-Niclas Serr, Ralf Möller, and Thomas Eisenbarth,
Trace Gadgets: Minimizing Code Context for Machine Learning-Based Vulnerability Prediction, 2025.
Weblink: https://arxiv.org/pdf/2504.13676
Bibtex: BibTeX
@article{machtle2025trace,
  title={Trace Gadgets: Minimizing Code Context for Machine Learning-Based Vulnerability Prediction},
  author={M{\"a}chtle, Felix and Loose, Nils and Schulz, Tim and Sieck, Florian and Serr, Jan-Niclas and M{\"o}ller, Ralf and Eisenbarth, Thomas},
  journal={arXiv preprint arXiv:2504.13676},
  year={2025}
}

2024

Nils Loose, Felix Mächtle, Florian Sieck, and Thomas Eisenbarth,
SWAT: Modular Dynamic Symbolic Execution for Java Applications using Dynamic Instrumentation (Competition Contribution), in Tools and Algorithms for the Construction and Analysis of Systems - 30th International Conference, TACAS 2024, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2024, Luxembourg City, Luxembourg, April 6-11, 2024, Proceedings, Part III , Bernd Finkbeiner and Laura Kovács, Eds. Springer, 2024. pp. 399-405.
DOI:10.1007/978-3-031-57256-2_28
File: 978-3-031-57256-2_28

2023

Nils Loose, Felix Mächtle, Claudius Pott, Volodymyr Bezsmertnyi, and Thomas Eisenbarth,
Madvex: Instrumentation-based Adversarial Attacks on Machine Learning Malware Detection, in Detection of Intrusions and Malware, and Vulnerability Assessment (DIMVA) - 20th International Conference , Daniel Gruss and Federico Maggi and Mathias Fischer and Michele Carminati, Eds. Springer, 2023. pp. 69-88.
DOI:10.1007/978-3-031-35504-2_4
Weblink: https://arxiv.org/abs/2305.02559