Consolidation of Siemens SIMATIC S7 device detections.
# SPDX-FileCopyrightText: 2016 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("1.3.6.1.4.1.25623.1.0.106096");
script_version("2024-06-14T05:05:48+0000");
script_tag(name:"last_modification", value:"2024-06-14 05:05:48 +0000 (Fri, 14 Jun 2024)");
script_tag(name:"creation_date", value:"2016-06-15 15:30:33 +0700 (Wed, 15 Jun 2016)");
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("Siemens SIMATIC S7 Device Detection Consolidation");
script_tag(name:"summary", value:"Consolidation of Siemens SIMATIC S7 device detections.");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone AG");
script_family("Product detection");
script_dependencies("gb_siemens_simatic_s7_cotp_detect.nasl", "gb_siemens_simatic_s7_snmp_detect.nasl",
"gb_siemens_simatic_s7_http_detect.nasl");
script_mandatory_keys("siemens/simatic_s7/detected");
script_xref(name:"URL", value:"https://www.siemens.com/global/en/home/products/automation/systems/industrial/plc.html");
exit(0);
}
include("cpe.inc");
include("host_details.inc");
include("os_func.inc");
if (!get_kb_item("siemens/simatic_s7/detected"))
exit(0);
detected_version = "unknown";
detected_model = "unknown";
detected_module = "unknown";
# Version
foreach source (make_list("cotp", "snmp", "http")) {
if (detected_version != "unknown")
break;
version_list = get_kb_list("siemens/simatic_s7/" + source + "/*/version");
foreach version (version_list) {
if (version) {
detected_version = version;
set_kb_item(name: "siemens/simatic_s7/version", value: version);
}
}
}
# Model
foreach source (make_list("cotp", "snmp", "http")) {
if (detected_model != "unknown")
break;
model_list = get_kb_list("siemens/simatic_s7/" + source + "/model");
foreach model (model_list) {
if (model) {
detected_model = model;
set_kb_item(name: "siemens/simatic_s7/model", value: model);
}
}
}
#Module
foreach source (make_list("cotp", "snmp", "http")) {
if (detected_module != "unknown")
break;
module_list = get_kb_list("siemens/simatic_s7/" + source + "/module");
foreach module (module_list) {
if (module) {
detected_module = module;
set_kb_item(name: "siemens/simatic_s7/module", value: module);
}
}
}
# CPE
if (detected_model != "unknown") {
app_name = "Siemens SIMATIC S7 " + detected_model;
cpe_model = tolower(ereg_replace(pattern: "[ /]", string: detected_model, replace: "_"));
app_cpe = build_cpe(value: detected_version, exp:"^([0-9.]+)",
base: "cpe:/a:siemens:simatic_s7_" + cpe_model + ":");
if (!app_cpe)
app_cpe = "cpe:/a:siemens:simatic_s7_" + cpe_model;
os_cpe = build_cpe(value: detected_version, exp:"^([0-9.]+)",
base: "cpe:/o:siemens:simatic_s7_cpu_" + cpe_model + "_firmware:");
if (!os_cpe)
os_cpe = "cpe:/o:siemens:simatic_s7_cpu_" + cpe_model + "_firmware";
}
else {
app_name = "Siemens SIMATIC S7 Unknown Model";
if (detected_version != "unknown") {
app_cpe = "cpe:/a:siemens:simatic_s7:" + detected_version;
os_cpe = "cpe:/o:siemens:simatic_s7_cpu_firmware:" + detected_version;
}
else {
app_cpe = "cpe:/a:siemens:simatic_s7";
os_cpe = "cpe:/o:siemens:simatic_s7_cpu_firmware";
}
}
# COTP
if (cotp_ports = get_kb_list("siemens/simatic_s7/cotp/port")) {
foreach port (cotp_ports) {
extra += 'COTP on port ' + port + '/tcp\n';
mod_type = get_kb_item("siemens/simatic_s7/cotp/modtype");
if (mod_type) {
extra += ' Module Type: ' + mod_type + '\n';
replace_kb_item(name: "siemens/simatic_s7/modtype", value: mod_type);
}
module = get_kb_item("siemens/simatic_s7/cotp/module");
if (module)
extra += ' Module: ' + module + '\n';
register_product(cpe: app_cpe, location: port + "/tcp", port: port, service: "cotp");
register_product(cpe: os_cpe, location: port + "/tcp", port: port, service: "cotp");
}
}
# SNMP
if (snmp_ports = get_kb_list("siemens/simatic_s7/snmp/port")) {
foreach port (snmp_ports) {
extra += 'SNMP on port ' + port + '/udp\n';
mod_type = get_kb_item("siemens/simatic_s7/snmp/modtype");
if (mod_type) {
extra += ' Module Type: ' + mod_type + '\n';
replace_kb_item(name: "siemens/simatic_s7/modtype", value: mod_type);
}
module = get_kb_item("siemens/simatic_s7/snmp/module");
if (module)
extra += ' Module: ' + module + '\n';
register_product(cpe: app_cpe, location: port + "/udp", port: port, service: "snmp", proto: "udp");
register_product(cpe: os_cpe, location: port + "/udp", port: port, service: "snmp", proto: "udp");
}
}
# HTTP
if (http_ports = get_kb_list("siemens/simatic_s7/http/port")) {
foreach port (http_ports) {
extra += 'HTTP(s) on port ' + port + '/tcp\n';
mod_type = get_kb_item("siemens/simatic_s7/http/modtype");
if (mod_type) {
extra += ' Module Type: ' + mod_type + '\n';
replace_kb_item(name: "siemens/simatic_s7/modtype", value: mod_type);
}
module = get_kb_item("siemens/simatic_s7/http/module");
if (module)
extra += ' Module: ' + module + '\n';
concluded = get_kb_item("siemens/simatic_s7/http/" + port + "/concluded");
if (concluded)
extra += ' Concluded from version/product identification result:\n' + concluded + '\n';
concludedurl = get_kb_item("siemens/simatic_s7/http/" + port + "/concludedurl");
if (concludedurl)
extra += ' Concluded from version/product identification location:\n' + concludedurl + '\n';
register_product(cpe: app_cpe, location: "/", port: port, service: "www");
register_product(cpe: os_cpe, location: "/", port: port, service: "www");
}
}
# We don't want to register a S7 Firmware as the operating systems as it would
# overwrite our previously more detailed Windows Detections. Examples are e.g.
# module: S7 SoftPLC UA
# modtype: IE_CP OPC Server
if ("SoftPLC" >!< extra ) {
os_register_and_report(os: "Siemens SIMATIC S7 CPU Firmware", cpe: os_cpe,
desc: "Siemens SIMATIC S7 Device Detection Consolidation", runs_key:"unixoide");
}
report = build_detection_report(app: app_name, version: detected_version,
install: "/", cpe: app_cpe);
if (extra) {
report += '\n\nDetection methods:\n';
report += '\n' + extra;
}
log_message(port: 0, data: chomp(report));
exit(0);