d3lu0

Curriculum vitae / d3lu0

D3LU0

Security Researcher

Security researcher interested in vulnerability research, binary exploitation, and post-exploitation.

d3lu00@gmail.comGitHub ↗

Projects

ROS 2 and DDS Security Research

Project manager and DDS researcher, r0s4ngeles

2025.07 - 2026.01

  • Found denial-of-service vulnerabilities in DDS implementations.
  • Helped develop a memory disclosure demonstration from a teammate's finding.
  • Managed the project schedule, ran team meetings, and reviewed vulnerability analysis reports.
  • Contributed research and presentation materials for the team's talk at ROSCon Korea 2026.

Conducted as part of the Vulnerability Analysis Track in Best of the Best (BoB), 14th Cohort. The team found 20 vulnerabilities and demonstrated memory address disclosure and a denial-of-service attack against a TurtleBot3 robot.

PCAP Fuzzer for tcpreplay

Individual project

2025.05

  • Built a PCAP fuzzer in C to reproduce CVE-2024-3024 in tcpreplay.
  • Implemented input mutation, crash detection, and saving of crash-inducing inputs.
  • Reproduced the crash and used AddressSanitizer logs and source code to investigate its cause.

CVE and GHSA

Selected vulnerability research findings and coordinated disclosures.

QNAP

CVE-2026-80404CVE-2026-63615CVE-2026-62397CVE-2026-58669
Show 2 more records
CVE-2026-58668CVE-2026-44086

Experience and Activities

  • hackyboiz

    Member

    Website ↗

  • CodeCure, Sangmyung University

    Club officer

  • Best of the Best (BoB), 14th Cohort

    Vulnerability Analysis TrackKISA

    Completed the program.

  • B4C System Bug Hunting Track, 1st Cohort

    Completed the program and was selected as one of the top three participants.

  • Republic of Korea Army, Ground Operations Command

    Information Security SoldierPrevention Team, Cyber Defense Office

    Monitored security alerts and investigated potential threats.

Talks and Teaching

  • INC0GNITO 2026 Team Project

    Mentor, Team 낭만반오십

    Advised the team on project planning and the use of LLMs and fuzzers for kernel analysis.

  • CodeCure Pwnable Study

    Led a pwnable study as part of CodeCure's regular semester activities.

  • CodeCure Security Study

    Organized a six-week study group where CodeCure members chose their own security topics.

  • Introduction to Pwnable

    IT THON 2024, Sangmyung University

    Taught an introductory session on vulnerability types and solving pwnable challenges.

CTF

Competitions

  • DEFCON 34 CTF Finals

    7th place with Jinddabi's

  • Sejong Hacktheon (Advanced)

    Finalist

  • Chungcheong Regional Cyber Security Competition

    Finalist

Challenge Authoring

  • IT THON 2024

    Created five pwnable challenges and prepared solution slides.

Awards

  • Best of the Best (BoB), 14th Cohort

    Whitehat 10 (Top 20)

Education

  • Sangmyung University

    Information Security Engineering

    GPA: 4.41 / 4.5

Certifications

  • Cisco Certified Network Associate (CCNA)

Skills

Languages:
C, Python
Security:
Vulnerability analysis, binary exploitation, fuzzing, reverse engineering