Kibuv worm detection

# OpenVAS Vulnerability Test
# $Id: ftp_kibuv_worm.nasl 6040 2017-04-27 09:02:38Z teissa $
# Description: Kibuv worm detection
#
# Authors:
# Michel Arboi <[email protected]>
#
# Copyright:
# Copyright (C) 2005 Michel Arboi
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# 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.
#

tag_summary = "A fake FTP server was installed by the KIBUV.B worm
on this port. This worm uses known security flaws to 
infect the system.

This machine may already be a 'zombi' used by crackers 
to perform distributed denial of service.

http://www.trendmicro.com/vinfo/virusencyclo/default5.asp?VName=WORM_KIBUV.B&VSect=T";

tag_solution = "patch your system and run an antivirus";

if(description)
{
 script_id(18367);
 script_version("$Revision: 6040 $");
 script_tag(name:"last_modification", value:"$Date: 2017-04-27 11:02:38 +0200 (Thu, 27 Apr 2017) $");
 script_tag(name:"creation_date", value:"2005-11-03 14:08:04 +0100 (Thu, 03 Nov 2005)");
 script_tag(name:"cvss_base", value:"7.5");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

 script_name( "Kibuv worm detection");
 

 script_category(ACT_GATHER_INFO);
  script_tag(name:"qod_type", value:"remote_banner"); 
 
 script_copyright("This script is Copyright (C) 2005 Michel Arboi");
 script_family( "Malware");
 script_dependencies("ftpserver_detect_type_nd_version.nasl");
 # Trend says 7955 but I saw it on 14920 and 42260
 script_require_ports("Services/ftp", 7955);
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 exit(0);
}

#

include('ftp_func.inc');

port = get_kb_item('Services/ftp');
if (! port) port = 7955;
if (! get_port_state(port)) exit(0);

b = get_ftp_banner(port: port);
if ('220 StnyFtpd 0wns j0' >< b ||
    # I also saw that banner, I guess this is a variant
    '220 fuckFtpd 0wns j0' >< b)
{
 set_kb_item(name: 'ftp/'+port+'/backdoor', value: 'KIBUV.B');
 set_kb_item(name: 'ftp/backdoor', value: 'KIBUV.B');
 security_message(port);
}