While these API not be in the "modern" SDK, the system calls behind them still work just fine. (They have to: otherwise, malloc wouldn't work.)
You can walk ntdll's export table manually and find NtProtectVirtualMemory and friends.
Also, SYSENTER is a thing.
While these API not be in the "modern" SDK, the system calls behind them still work just fine. (They have to: otherwise, malloc wouldn't work.)
You can walk ntdll's export table manually and find NtProtectVirtualMemory and friends.
Also, SYSENTER is a thing.