Microsoft Windows 10: KMS Client Online AVS Validation

# SPDX-FileCopyrightText: 2018 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.109480");
  script_version("2023-12-22T05:05:24+0000");
  script_tag(name:"last_modification", value:"2023-12-22 05:05:24 +0000 (Fri, 22 Dec 2023)");
  script_tag(name:"creation_date", value:"2018-06-27 14:27:37 +0200 (Wed, 27 Jun 2018)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:H/Au:S/C:N/I:N/A:N");
  script_tag(name:"qod", value:"97");

  script_name("Microsoft Windows 10: KMS Client Online AVS Validation");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Policy");
  script_dependencies("compliance_tests.nasl", "smb_reg_service_pack.nasl", "os_detection.nasl");
  script_mandatory_keys("Compliance/Launch");

  script_add_preference(name:"Value", type:"radio", value:"1;0", id:1);

  script_xref(name:"Policy", value:"CIS Microsoft Windows 11 Enterprise Benchmark v2.0.0: 18.10.63.1 (L2) Ensure 'Turn off KMS Client Online AVS Validation' is set to 'Enabled'");
  script_xref(name:"Policy", value:"CIS Microsoft Windows 10 Enterprise (Release 22H2) Benchmark v2.0.0: 18.10.63.1 (L2) Ensure 'Turn off KMS Client Online AVS Validation' is set to 'Enabled'");

  script_tag(name:"summary", value:"This test checks the setting for policy
'Turn off KMS Client Online AVS Validation' on Windows hosts (at least Windows 10).

The setting configures opt-out of sending KMS client activation data to
Microsoft automatically. Enabling this setting prevents this computer from
sending data to Microsoft regarding its activation state.");

  exit(0);
}

include("smb_nt.inc");
include("policy_functions.inc");
include("host_details.inc");
include("version_func.inc");

target_os = "Microsoft Windows 7 or later";
win_ver = "6.1";
title = "Restrict Internet communication";
solution = "Set following UI path accordingly: System/Internet Communication Management/" + title;
type = "HKLM";
key = "Software\Policies\Microsoft\Windows NT\CurrentVersion\Software Protection Platform";
item = "NoGenTicket";
reg_path = type + "\" + key + "!" + item;
test_type = "RegKey";
default = script_get_preference("Value");

if(!policy_verify_win_ver(min_ver:win_ver))
  results = policy_report_wrong_os(target_os:target_os);
else
  results = policy_match_exact_reg_dword(key:key, item:item, type:type, default:default);

value = results["value"];
comment = results["comment"];
compliant = results["compliant"];

policy_reporting(result:value, default:default, compliant:compliant, fixtext:solution,
  type:test_type, test:reg_path, info:comment);
policy_set_kbs(type:test_type, cmd:reg_path, default:default, solution:solution, title:title,
  value:value, compliant:compliant);

exit(0);