Proving Grounds Writeups

110 writeups 44× Easy 4× Medium 8× Hard

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Easy Windows

Kevin Writeup - Proving Grounds

Easy Windows box where default admin:admin credentials expose HP Power Manager 4.2, and its pre-auth buffer overflow (CVE-2009-2685) gives a SYSTEM shell directly.

default-credentials buffer-overflow hp-power-manager cve-2009-2685

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

Hard Windows

Osaka Writeup - Proving Grounds

Hard Windows box exploited through a custom FTP server's format-string info leak and a DEP-bypassing ROP chain for a buffer overflow shell, then escalated by abusing SeDebugPrivilege to impersonate winlogon and create a local administrator.

buffer-overflow binary-exploitation ftp privilege-escalation +1

The Husky Hacker • Oct 8, 2026 • 4 min read

Other platforms

HackTheBox 92 TryHackMe 10 All writeups