RunAs.exe with /netonly and /savecred simultaneously

RunAs allows a user to run specific tools and programs with different permissions than the user’s current logon provides.
However, the paremeter /netonly and /savecred cannot be used same time.
We can use windows API ‘CreateProcessWithLogonW’ instead.

#pragma comment(lib, "Advapi32")
#include <windows.h>

BOOL RunAsNetOnly(LPCWSTR szUser, LPCWSTR szDomain, LPCWSTR szPass, LPCWSTR szApp)
{
	// VARIABLE
	STARTUPINFOW si;
	PROCESS_INFORMATION pi;

	// INIT
	ZeroMemory(&si, sizeof(si));
	ZeroMemory(&pi, sizeof(pi));
	si.cb = sizeof(si);

	return CreateProcessWithLogonW(szUser, szDomain, szPass, LOGON_NETCREDENTIALS_ONLY,
		szApp, NULL, CREATE_DEFAULT_ERROR_MODE, NULL, NULL, &si, &pi);
}

Leave a Reply