P20_UserUnblock.cs

using ObjStudioClasses;
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Threading.Tasks;


public class Script
{
    private static byte[] CalcPasswordHash(string password)
    {
        using (var stream = new MemoryStream())
        {
            using (var writer = new StreamWriter(stream))
            {
                writer.Write(password);
            }   
            using (var md5 = System.Security.Cryptography.MD5.Create())
            {
                return md5.ComputeHash(stream.ToArray());
            }
        }
    }
    
    public static object Execute()
    {
    	var user = InnerUser.GetInstances().Single(x => x.AttributeLogin == "Administrator");
    	user.AttributeAuthenticationRules.AttributeExternalPasswordHash = CalcPasswordHash("1234");
	user.AttributeUserStatus=UserStatusItem.Instances.Active;
        return 0;
    }
}