SMBv1 Server Detection

2017-02-14T00:00:00
ID OPENVAS:1361412562310810549
Type openvas
Reporter Copyright (C) 2017 Greenbone Networks GmbH
Modified 2017-12-15T00:00:00

Description

Detecting if SMBv1 is enabled for the SMB Server or not.

The script logs in via SMB , searches for key specific to the SMB Server in the registry and gets the value from the

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_smbv1_server_detect.nasl 8144 2017-12-15 13:19:55Z cfischer $
#
# SMBv1 Server Detection
#
# Authors:
# Rinu Kuriakose <krinu@secpod.com>
#
# Copyright:
# Copyright (C) 2017 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("1.3.6.1.4.1.25623.1.0.810549");
  script_version("$Revision: 8144 $");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"last_modification", value:"$Date: 2017-12-15 14:19:55 +0100 (Fri, 15 Dec 2017) $");
  script_tag(name:"creation_date", value:"2017-02-14 15:12:01 +0530 (Tue, 14 Feb 2017)");
  script_name("SMBv1 Server Detection");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_family("Service detection");
  script_dependencies("secpod_reg_enum.nasl", "smb_reg_service_pack.nasl");
  script_mandatory_keys("SMB/WindowsVersion");
  script_require_ports(139, 445);

  script_tag(name:"summary", value:"Detecting if SMBv1 is enabled for the SMB Server 
  or not.

  The script logs in via SMB , searches for key specific to the SMB Server 
  in the registry and gets the value from the 'SMB1' string.");

  script_tag(name:"qod_type", value:"registry");

  exit(0);
}


include("smb_nt.inc");

## variable Initialization
key1 = "";
key2 = "";
smb1_value1 = 0;
smb1_value2 = 0;

## Check for 32 and 64 bit platforms 
key1 = "SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters";
key2 = "SYSTEM\ControlSet001\Services\LanmanServer\Parameters";

## Check the below keys are present or not
if(!registry_key_exists(key:key1) && 
   !registry_key_exists(key:key2)){
  exit(0);
}

## Confirm the application installation and get the install path
smb1_value1 = registry_get_dword(item:"SMB1", key:key1);
smb1_value2 = registry_get_dword(item:"SMB1", key:key2);

## Check the value equal to 1 or no items SMB1 exists for the above keys
if((smb1_value1 == 1 || smb1_value2 == 1) ||
    (smb1_value1 == "" && smb1_value2 == ""))
{
  set_kb_item( name:"smb_v1_server/enabled", value:TRUE );
  set_kb_item( name:"smb_v1/enabled", value:TRUE );
  report = "SMBv1 is enabled for the SMB Server";
  log_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );