Microsoft Windows: Audit Logoff

##############################################################################
# OpenVAS Vulnerability Test
# $Id: win_logoff.nasl 11068 2018-08-21 11:51:41Z emoss $
#
# Check value for Audit Logoff
#
# Authors:
# Emanuel Moss <[email protected]>
#
# Copyright:
# Copyright (c) 2018 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.109586");
  script_version("$Revision: 11068 $");
  script_tag(name:"last_modification", value:"$Date: 2018-08-21 13:51:41 +0200 (Tue, 21 Aug 2018) $");
  script_tag(name:"creation_date", value:"2018-08-20 10:10:59 +0200 (Mon, 20 Aug 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: Audit Logoff');
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (c) 2018 Greenbone Networks GmbH");
  script_family("Policy");
  script_dependencies("smb_reg_service_pack.nasl", "Policy/Microsoft/WindowsGeneral/win_AdvancedPolicySettings.nasl");
  script_add_preference(name:"Value", type:"radio", value:"Success;No Auditing");
  script_mandatory_keys("Compliance/Launch");
  script_tag(name:"summary", value:"This test checks the setting for policy
'Audit Logoff' on Windows hosts (at least Windows 7).

The policy determines whether the operating system generates audit events when logon sessions are
terminated. These events occur on the computer that was accessed. In the case of an interactive
logon, these events are generated on the computer that was logged on to. There is no failure event
in this subcategory because failed logoffs (such as when a system abruptly shuts down) do not
generate an audit record.");
  exit(0);
}

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

if(!get_kb_item("SMB/WindowsVersion")){
  policy_logging(text:'Host is no Microsoft Windows System or it is not possible
to query the registry.');
  exit(0);
}

if(get_kb_item("SMB/WindowsVersion") < "6.1"){
  policy_logging(text:'Host is not at least a Microsoft Windows 7 system.
Older versions of Windows are not supported any more. Please update the
Operating System.');
  exit(0);
}

title = 'Audit Logoff';
fixtext = 'Set following UI path accordingly:
Computer Configuration/Windows Settings/Security Settings/Advanced Audit Policy Configuration/Audit
Policies/Logon / Logoff/' + title;
key = "WMI/AdvancedPolicy/Logoff";
value = get_kb_item(key);
default = script_get_preference('Value');

if(!value){
  value = 'No Auditing';
}

if(value == default){
  compliant = 'yes';
}else{
  compliant = 'no';
}

policy_logging(text:'"' + title + '" is set to: ' + value);
policy_add_oid();
policy_set_dval(dval:default);
policy_fixtext(fixtext:fixtext);
policy_control_name(title:title);
policy_set_kb(val:value);
policy_set_compliance(compliant:compliant);

exit(0);