Proving Grounds Writeups

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Easy Windows

Internal-SMB Writeup - Proving Grounds

Easy Windows box, an unpatched Windows Server 2008 SP1 host flagged by nmap's SMB vulnerability scripts and taken with the MS09-050 SMBv2 negotiate function index overflow (CVE-2009-3103) for a direct, unauthenticated SYSTEM shell.

smb rce cve-2009-3103

The Husky Hacker • Oct 8, 2026 • 3 min read

Easy Windows

Internal Writeup - Proving Grounds

Easy Windows box, an unpatched Windows Server 2008 SP1 host where the MS09-050 SMBv2 negotiate function index overflow (CVE-2009-3103) gives an unauthenticated SYSTEM shell in a single step.

smb rce cve-2009-3103

The Husky Hacker • Oct 8, 2026 • 2 min read

Other platforms

HackTheBox 92 TryHackMe 10 All writeups