public static Boolean FreeObjectHandle(IntPtr Handle)
{
UInt32 CallRes = APIDef.NtClose(Handle);
if (CallRes != APIDef.NTSTATUS_STATUS_SUCCESS)
{
return(false);
}
else
{
return(true);
}
}
public static Boolean AssignTokenPrivilege(UInt32 TokenPrivilege)
{
// Open current process token
IntPtr hToken = IntPtr.Zero;
UInt32 CallRes = APIDef.NtOpenProcessToken((IntPtr)(-1), APIDef.TOKEN_ADJUST_PRIVILEGES | APIDef.TOKEN_QUERY, ref hToken);
if (CallRes != APIDef.NTSTATUS_STATUS_SUCCESS)
{
Console.WriteLine("[!] Failed to access current process token..");
return(false);
}
// Create new token privilege struct
APIDef.LUID LuidPrivilege = new APIDef.LUID();
LuidPrivilege.LowPart = TokenPrivilege;
APIDef.TOKEN_PRIVILEGES NewState = new APIDef.TOKEN_PRIVILEGES();
APIDef.LUID_AND_ATTRIBUTES laa = new APIDef.LUID_AND_ATTRIBUTES();
laa.Luid = LuidPrivilege;
laa.Attributes = APIDef.SE_PRIVILEGE_ENABLED;
NewState.PrivilegeCount = 1;
NewState.Privileges = laa;
// Adjust
UInt32 RetLen = 0;
CallRes = APIDef.NtAdjustPrivilegesToken(hToken, false, ref NewState, (UInt32)Marshal.SizeOf(NewState), IntPtr.Zero, ref RetLen);
APIDef.NtClose(hToken);
if (CallRes == APIDef.NTSTATUS_STATUS_SUCCESS)
{
return(true);
}
else if (CallRes == APIDef.NTSTATUS_STATUS_NOT_ALL_ASSIGNED)
{
Console.WriteLine("[!] Failed to add privilege: STATUS_PRIVILEGE_NOT_HELD");
return(false);
}
else
{
Console.WriteLine("[!] Failed to add privilege..");
return(false);
}
}