This post is the first of a serie of articles/blogposts about new System Information Class under Windows 7 (32bits ATM) used by both NtQuerySystemInformation and extended version of this API called NtQuerySystemInformationEx introduced in Windows 7 and Windows 2008 R2. First of all, here is the prototype of these functions. NTSTATUS (WINAPI *NtQuerySystemInformationEx)(SYSTEM_INFORMATION_CLASS SystemInformationClass, PULONG [ Read More ]