Francisco Bihurriet

Castelldefels, Catalonia, Spain

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Summary

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Francisco Bihurriet is a Principal Software Engineer with 11 years of experience specializing in application security, low-level programming, network protocols, and cryptography. He contributed to Core Impact’s development and later joined Red Hat’s OpenJDK security team (now part of IBM), blending offensive security expertise with production-grade software engineering. An active open-source contributor, he improved Fortra’s widely used Impacket tools—enhancing secretsdump.py, fixing SMB logging, and adding NTLM tests—to strengthen real-world authentication and tooling. Trained as an electronics engineer at the Universidad de Buenos Aires, he combines hardware-minded discipline with deep protocol and exploit analysis for rigorous security testing and robust design.

11 years of coding experience

Bachelor of Engineering - BE, Electronics Engineering, Bachelor of Engineering - BE, Electronics Engineering at Universidad de Buenos Aires

Stackoverflow

Stats

91reputation

12kreached

3answers

0questions

Github Skills (18)

python10

it-security10

smb10

security10

impacket10

kerberos9

network-protocol9

rpc8

drpc8

dce8

dcom8

wmi7

peewee6

cryptography6

java6

Programming languages (5)

JavaShellCRubyPython

Github contributions (5)

fortra/impacket

Jun 2017 - Jun 2021

Impacket is a collection of Python classes for working with network protocols.

Role in this project:

Back-end Developer & Security Engineer

Contributions:26 commits, 7 PRs, 9 comments in 4 years

Contributions summary:Francisco primarily contributed to the `secretsdump.py` example, enhancing its functionality with features like independent `__perSecretCallback` for LSA RAW secrets and integrating remote operation capabilities. They also refactored the session resume mechanism within `secretsdump.py` for increased flexibility. Additionally, the user addressed a log formatting bug in `smbconnection.py` and implemented tests for NTLM authentication, improving overall code quality and security.

pythonwmipass-the-hashnetconfclasses-python

franferrax/jdk8u-dev

Dec 2022 - Mar 2025

https://wiki.openjdk.org/display/jdk8u

Contributions:37 pushes, 4 branches in 2 years 3 months

openjdkjavawiki

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