TeamSpeak 3 Server Detection (UDP)

# Copyright (C) 2017 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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("1.3.6.1.4.1.25623.1.0.108070");
  script_version("2023-01-11T10:12:37+0000");
  script_tag(name:"last_modification", value:"2023-01-11 10:12:37 +0000 (Wed, 11 Jan 2023)");
  script_tag(name:"creation_date", value:"2017-02-05 13:05:06 +0100 (Sun, 05 Feb 2017)");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");
  script_tag(name:"cvss_base", value:"0.0");
  script_name("TeamSpeak 3 Server Detection (UDP)");
  script_category(ACT_GATHER_INFO);
  script_family("Product detection");
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_dependencies("gb_open_udp_ports.nasl");
  script_require_udp_ports("Services/udp/unknown", 9987);

  script_tag(name:"summary", value:"UDP based detection of a TeamSpeak 3 server.");

  script_xref(name:"URL", value:"http://www.teamspeak.com/");

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

  exit(0);
}

include("host_details.inc");
include("port_service_func.inc");

proto = "udp";
port = unknownservice_get_port( default:9987, ipproto:proto );

if( ! soc = open_sock_udp( port ) )
  exit( 0 );

# The TS3INIT packet
req = raw_string( 0x54, 0x53, 0x33, 0x49, 0x4e, 0x49, 0x54, 0x31, 0x00, 0x65, 0x00, 0x00, 0x88, 0x07, 0x95, 0x4b,
                  0x40, 0x00, 0x58, 0x97, 0x09, 0x2d, 0xf7, 0xbb, 0xb2, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                  0x00, 0x00 );

send( socket:soc, data:req );
res = recv( socket:soc, length:64 );
close( soc );
if( ! res )
  exit( 0 );

len = strlen( res );
if( len != 32 && len != 16 )
  exit( 0 );

if( "TS3INIT1" >< res ) {

  version = "unknown";
  cpe = "cpe:/a:teamspeak:teamspeak3";
  install = port + "/" + proto;

  set_kb_item( name:"teamspeak3_server/detected", value:TRUE );
  set_kb_item( name:"teamspeak3_server/udp/detected", value:TRUE );

  service_register( port:port, proto:"ts3", ipproto:proto );

  register_product( cpe:cpe, location:install, port:port, proto:proto, service:"ts3" );
  log_message( data:build_detection_report( app:"TeamSpeak 3 Server",
                                            version:version,
                                            install:install,
                                            cpe:cpe ),
               port:port,
               proto:proto );
}

exit( 0 );