0x 0xFern Fern / Independent Security Researcher
0xFern

Fern

Independent Security Researcher

Reverse Engineering | Malware Analysis | Disclosure

Independent security researcher focused on malware analysis, reverse engineering, and responsible disclosure. Current work centers on understanding complex software behavior, dissecting binaries, and producing technically rigorous analysis that supports both defensive insight and coordinated reporting.

Independent Research Disclosure-First Workflow Binary and Network Triage

Core domains of investigation

Research spans low-level software internals, malicious tooling, and security-relevant behavior across binaries, networks, and operational infrastructure.

RE Reverse Engineering

Static and dynamic analysis of opaque binaries, software internals, and execution flow.

MA Malware Analysis

Behavioral and code-level investigation of malicious tooling, persistence, and indicators.

BE Binary Exploitation

Analysis of memory corruption paths, exploitability, and mitigation boundaries.

VR Vulnerability Research

Bug discovery, root-cause analysis, severity assessment, and responsible disclosure.

TI Threat Intelligence

Correlation of infrastructure, tooling overlap, and operational tradecraft.

NET Network Security

Protocol inspection, traffic analysis, and attack-surface review across services.

OSINT OSINT

Public-source collection and validation to support technical and contextual research.

Operational toolkit

A practical toolkit for reversing, debugging, instrumentation, network inspection, and rapid prototype development.

Reverse Engineering
IDA Pro Ghidra Binary Ninja Radare2 dnSpyEx
Debugging
x64dbg Frida WinDbg GDB LLDB
Malware Analysis
YARA CAPA PE-bear Procmon Volatility
Network Analysis
Wireshark tcpdump Zeek Nmap Burp Suite
Programming
Assembly Python C C++ Rust Go Zig Bash PowerShell
Analysis Utilities
strings objdump readelf binwalk CyberChef

Responsible, curious, technically exact

Research is guided by responsible disclosure, disciplined analysis, and technical curiosity. The objective is not only to identify flaws, but to build a precise understanding of how complex software systems behave, fail, and can be improved through careful investigation and clear reporting.

That means spending time on root cause instead of stopping at surface symptoms, validating behavior across realistic conditions, and separating signal from noise before drawing conclusions. The work should hold up under scrutiny, remain useful to defenders and engineers, and leave behind documentation that is concrete enough to be acted on rather than merely observed.

Good research is both technically rigorous and operationally responsible: findings should be reproducible, communication should be precise, and disclosure should reduce harm while still advancing understanding of the systems under examination.

Disclosure First

Findings are validated, scoped carefully, and communicated with minimal unnecessary exposure.

Reproducible Analysis

Conclusions are grounded in observable behavior, tooling output, and technical evidence.

Practical Reporting

Writeups are structured to help engineers, defenders, and researchers act on the result.

Coordination and reporting

For research collaboration, technical discussion, or responsible disclosure, use the contact details below. The page stays intentionally minimal, but the reporting path is complete: live disclosure metadata, a published OpenPGP key, and a direct contact route for coordinated reports.

Preferred Channel

Primary Contact

Use email for research inquiries, coordinated disclosure, or technical collaboration. When reporting an issue, include enough detail to establish scope, impact, and reproducibility.

  • Affected target, product, or build context
  • Observed impact, prerequisites, and exploit conditions
  • Reproduction notes, proof of concept, or supporting artifacts
Fingerprint 268E BD2E BDC7 FB1D B52D B5C3 0F5D 0D36 A254 83CA
Use this key for encrypted first contact.

Published security.txt

The live /.well-known/security.txt file publishes the canonical disclosure address, encrypted-reporting details, and the official metadata used by researchers and automated tooling.

Active through March 10, 2027. The current file includes direct contact lines, the public key location, and the OpenPGP fingerprint used for encrypted submissions.

/.well-known/security.txt
Contact: mailto:contact@0xfern.com
Contact: https://0xfern.com/#contact
Encryption: https://0xfern.com/pgp-public.asc
Encryption: openpgp4fpr:268EBD2EBDC7FB1DB52DB5C30F5D0D36A25483CA
Policy: https://0xfern.com/#contact
Expires: 2027-03-10T23:59:59.000Z
Preferred-Languages: en
Canonical: https://0xfern.com/.well-known/security.txt
Open live file