Rockwell Automation MicroLogix Detection (HTTP)

# 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("1.3.6.1.4.1.25623.1.0.140662");
  script_version("2023-07-26T05:05:09+0000");
  script_tag(name:"last_modification", value:"2023-07-26 05:05:09 +0000 (Wed, 26 Jul 2023)");
  script_tag(name:"creation_date", value:"2018-01-10 10:09:48 +0700 (Wed, 10 Jan 2018)");
  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:"qod_type", value:"remote_banner");

  script_name("Rockwell Automation MicroLogix Detection (HTTP)");

  script_tag(name:"summary", value:"This script performs HTTP based detection of Rockwell Automation MicroLogix
PLC's.");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Product detection");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("ABwww/banner");

  exit(0);
}

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

port = http_get_port(default: 80);

banner = http_get_remote_headers(port: port);
if ("A-B WWW" >!< banner)
  exit(0);

url = "/home.htm";
res = http_get_cache(port: port, item: url);

if ("<title>Rockwell Automation</title>" >< res && res =~ "MicroLogix [0-9]+ Processor") {
  set_kb_item(name: "rockwell_micrologix/detected", value: TRUE);
  set_kb_item(name: "rockwell_micrologix/http/detected", value: TRUE);
  set_kb_item(name: "rockwell_micrologix/http/port", value: port);

  app = eregmatch(pattern: "MicroLogix ([0-9]+) Processor", string: res);
  device = app[1];
  app = app[0];
  version = "unknown";

  vers = eregmatch(pattern: "O(/)?S.*Revision</td><td>Series ([A-Z]) FRN ([0-9.]+)</td>", string: res);
  if (!isnull(vers[3]))
    set_kb_item(name: "rockwell_micrologix/http/" + port + "/fw_version", value: vers[3]);

  if (!isnull(vers[2]))
    set_kb_item(name: "rockwell_micrologix/http/" + port + "/series", value: vers[2]);

  dev_name = eregmatch(pattern: "Device Name</td><td>([^<]+)", string: res);
  if (!isnull(dev_name[1]))
    set_kb_item(name: "rockwell_micrologix/http/" + port + "/model", value: dev_name[1]);

  mac = eregmatch(pattern: "Ethernet Address \(MAC\)</td><td>([A-F0-9-]{17})", string: res);
  if (!isnull(mac[1])) {
    mac = str_replace(string: mac[1], find: "-", replace: ":");
    set_kb_item(name: "rockwell_micrologix/http/" + port + "/mac", value: mac);
    register_host_detail(name: "MAC", value: mac, desc: "gb_rockwell_micrologix_http_detect.nasl");
    replace_kb_item(name: "Host/mac_address", value: mac);
  }

  exit(0);
}

exit(0);