JULES POUVREAUX

Cybersecurity Student

Ethical Hacker

Developer-First Security Advocate

Open to internships / entry-level roles in Penetration Testing, DevSecOps, or Security Engineering.

Aspiring Penetration Tester & DevSecOps; Developer-First Security

DEFENDER Security is not a product, but a process.

FRANCE • REMOTE • 2025

INSIGHTS • CHALLENGES • KNOWLEDGE

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WRITE-UPS

SELECTED WRITE-UPS

ROOT ME: CRACKING

#ReverseEngineering#XOR#AntiDebug#Ghidra

October 27, 2025

XOR Encryption with Anti-Debug Protection

Reverse engineering a Linux ELF64 binary using Ghidra to bypass anti-debugging protections and decrypt XOR-encrypted password validation.

ROOT ME: WEB SECURITY

CSP Bypass via Missing base-uri (CSP Bypass - Nonce 2)

Exploiting a missing base-uri directive in Content Security Policy to hijack relative script paths and steal cookies through base tag injection.

#CSPBypass#WebSecurity#BaseTagInjection#CookieTheft

ROOT ME: REVERSE ENGINEERING

Multi-Stage Password Construction and Byte-Level Obfuscation

Reverse engineering a password-protected binary that constructs its validation key through multi-stage transformations, runtime modifications, and non-printable character injection.

#ReverseEngineering#BinaryAnalysis#Decompilation#PasswordCracking

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