{"id":1613,"date":"2024-12-28T14:13:13","date_gmt":"2024-12-28T11:13:13","guid":{"rendered":"https:\/\/zerontek.com\/zt\/?p=1613"},"modified":"2024-12-28T14:13:45","modified_gmt":"2024-12-28T11:13:45","slug":"open-source-tools-for-ot-defenders","status":"publish","type":"post","link":"https:\/\/zerontek.com\/zt\/2024\/12\/28\/open-source-tools-for-ot-defenders\/","title":{"rendered":"Open Source Tools for OT Defenders"},"content":{"rendered":"\n

In my recent podcast “ICS\/OT Blue Team<\/a>” on ICS Arabia \ud83c\udf99\ufe0f with Shaker Hashlan, we dived into a topic critical for OT defenders. As promised, here\u2019s a list of these tools, categorized for ease of use. Let\u2019s explore their capabilities and where you can find them:<\/p>\n\n\n\n

\n\n\n\n

Network \/ Packets \/ Scanning<\/strong><\/h3>\n\n\n\n
    \n
  1. Nmap<\/strong>
    A classic tool for network discovery and security auditing. It helps you map out your network, identify open ports, and detect potential vulnerabilities.
    \ud83c\udf10     nmap.org<\/a><\/li>\n\n\n\n
  2. Wireshark<\/strong>
    The go-to tool for network protocol analysis. Wireshark captures and inspects packets in real-time, offering invaluable insights into network traffic.
    \ud83c\udf10     wireshark.org<\/a><\/li>\n<\/ol>\n\n\n\n
    \n\n\n\n

    Detection<\/strong><\/h3>\n\n\n\n
      \n
    1. Snort<\/strong>
      Snort is an open-source intrusion detection and prevention system (IDS\/IPS) that monitors network traffic in real time, identifying suspicious activity using predefined and custom rules.
      \ud83c\udf10       snort.org<\/a><\/li>\n\n\n\n
    2. Suricata<\/strong>
      Another robust IDS and network monitoring tool capable of multi-threaded detection for real-time analysis.
      \ud83c\udf10       suricata.io<\/a><\/li>\n\n\n\n
    3. Zeek (formerly Bro)<\/strong>
      A network security monitor that transforms raw traffic into structured, high-level logs for detailed analysis.
      \ud83c\udf10       zeek.org<\/a><\/li>\n\n\n\n
    4. Sysmon<\/strong>
      A Windows system service that logs system activity, providing detailed insights into processes, network connections, and file creation events.
      \ud83c\udf10       Sysmon <\/a><\/li>\n<\/ol>\n\n\n\n
      \n\n\n\n

      Asset Inventory<\/strong><\/h3>\n\n\n\n
        \n
      1. AssetTiger<\/strong>
        A free, cloud-based asset management tool to keep track of your OT devices and their statuses.
        \ud83c\udf10         assettiger.com<\/a><\/li>\n<\/ol>\n\n\n\n
        \n\n\n\n

        Protection<\/strong><\/h3>\n\n\n\n
          \n
        1. OpenZiti<\/strong>
          A zero-trust networking platform that allows secure connectivity without exposing services to the internet.
          \ud83c\udf10           openziti.io<\/a><\/li>\n<\/ol>\n\n\n\n
          \n\n\n\n

          Incident Response (IR)<\/strong><\/h3>\n\n\n\n
            \n
          1. Google GRR<\/strong>
            A tool for remote forensic analysis, allowing investigators to gather and analyze data from machines across your network.
            \ud83c\udf10             github.com\/google\/grr<\/a><\/li>\n\n\n\n
          2. Velociraptor<\/strong>
            A digital forensics and incident response (DFIR) toolset for analyzing Windows systems.
            \ud83c\udf10             https:\/\/docs.velociraptor.app<\/a><\/li>\n\n\n\n
          3. OSSEC (OSEc)<\/strong>
            A host-based intrusion detection system (HIDS) that monitors log files, file integrity, and more.
            \ud83c\udf10             ossec.net<\/a><\/li>\n<\/ol>\n\n\n\n
            \n\n\n\n

            SOC Operations<\/strong><\/h3>\n\n\n\n
              \n
            1. Elastic Stack (ELK)<\/strong>
              A complete data analysis and visualization solution perfect for building security operations centers (SOC).
              \ud83c\udf10               elastic.co<\/a><\/li>\n\n\n\n
            2. Wazuh<\/strong>
              An open-source security platform that provides intrusion detection, log management, and monitoring for compliance.
              \ud83c\udf10               wazuh.com<\/a><\/li>\n<\/ol>\n\n\n\n
              \n\n\n\n

              Threat Intelligence<\/strong><\/h3>\n\n\n\n
                \n
              1. MISP (Malware Information Sharing Platform)<\/strong>
                MISP is an open-source threat intelligence platform that enables organizations to collect, share, and collaborate on threat data.
                \ud83c\udf10                 misp-project.org<\/a><\/li>\n<\/ol>\n\n\n\n
                \n\n\n\n

                Signatures<\/strong><\/h3>\n\n\n\n
                  \n
                1. YARA<\/strong>
                  A tool for creating and analyzing rules to identify and classify malware samples.
                  \ud83c\udf10                   github.com\/Yara-Rules\/rules<\/a><\/li>\n<\/ol>\n\n\n\n
                  \n\n\n\n

                  Rule Translation<\/strong><\/h3>\n\n\n\n
                    \n
                  1. Sigma<\/strong>
                    A generic signature format that translates detection rules into queries for different SIEM platforms.
                    \ud83c\udf10                     Sigma GitHub<\/a><\/li>\n<\/ol>\n\n\n\n
                    \n\n\n\n

                    Firewall<\/strong><\/h3>\n\n\n\n

                    pfSense<\/strong>
                    A powerful, open-source firewall and router solution with enterprise-level features.
                    \ud83c\udf10                     pfsense.org<\/a><\/p>\n\n\n\n

                    \n\n\n\n

                    In conclusion, these tools represent just a fraction of the vast ecosystem of open-source solutions available for OT defenders. We are not endorsing or promoting any specific tool, nor have we tested them all exhaustively. This list is based on their known existence and popularity within the cybersecurity community. If you have other tools you’d like to suggest, feel free to share them\u2014we’re always open to expanding the list and raising awareness about valuable resources.<\/p>\n\n\n\n

                    <\/p>\n","protected":false},"excerpt":{"rendered":"

                    In my recent podcast “ICS\/OT Blue Team” on ICS Arabia \ud83c\udf99\ufe0f with Shaker Hashlan, we dived into a topic critical for OT defenders. As promised, here\u2019s a list of these tools, categorized for ease of use. Let\u2019s explore their capabilities and where you can find them: Network \/ Packets \/ Scanning Detection Asset Inventory Protection […]<\/p>\n","protected":false},"author":2,"featured_media":1629,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,280,4,233,92,3,46,279],"tags":[281,7,13,6,282,12,47],"class_list":["post-1613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asset-identification","category-blue-team","category-cyber-security","category-ics-arabia","category-ics-incident-response","category-ics-security","category-ics-tools","category-open-source","tag-blue-team-tools","tag-cyber-security","tag-ics","tag-ics-security","tag-open-source","tag-ot","tag-ot-security"],"_links":{"self":[{"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/posts\/1613","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/comments?post=1613"}],"version-history":[{"count":18,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/posts\/1613\/revisions"}],"predecessor-version":[{"id":1632,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/posts\/1613\/revisions\/1632"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/media\/1629"}],"wp:attachment":[{"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/media?parent=1613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/categories?post=1613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zerontek.com\/zt\/wp-json\/wp\/v2\/tags?post=1613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}