Programmable Logic Controller (PLC), Asset A0003

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PLCs typically utilize a modular architecture with separate modules used to support its processing capabilities, communication mediums, and I/O interfaces. PLCs allow for the deployment of customized programs/logic to control or monitor an operational process. This logic is defined using industry specific programming languages, such as IEC 61131 <span onclick=scrollToRef('scite-1') id="scite-ref-1-a" class="scite-citeref-number" title="IEC 2013, February 20 IEC 61131-3:2013 Programmable controllers - Part 3: Programming languages Retrieved. 2019/10/22 "data-reference="IEC February 2013"><sup><a href="https://webstore.iec.ch/publication/4552" target="_blank" data-hasqtip="0" aria-describedby="qtip-0">[1]</a></sup></span>, which define the set of tasks and program organizational units (POUs) included in the device鈥檚 programs. PLCs also typically have distinct operating modes (e.g., Remote, Run, Program, Stop) which are used to determine when the device can be programmed or whether it should execute the custom logic.</p> </div> </div> <div class="col-md-4"> <div class="card"> <div class="card-body"> <div id="card-id" class="row card-data"> <div class="col-md-12"> <span class="h5 card-title">ID</span>: A0003 </div> </div> <div class="row card-data"> <div class="col-md-1 px-0 text-center"> <span data-toggle="tooltip" data-placement="left" title="" data-test-ignore="true" data-original-title="The system an adversary is operating within; could be an operating system or application">ⓘ</span> </div> <div class="col-md-11 pl-0"> <span class="h5 card-title">Platforms</span>: Embedded </div> </div> <div class="row card-data"> <div class="col-md-12"> <span class="h5 card-title">Sectors</span>: General </div> </div> <div class="row card-data"> <div class="col-md-12"> <span class="h5 card-title">Version</span>: 1.0 </div> </div> <div class="row card-data"> <div class="col-md-12"> <span class="h5 card-title">Created</span>: 28 September 2023 </div> </div> <div class="row card-data"> <div class="col-md-12"> <span class="h5 card-title">Last Modified</span>: 04 October 2023 </div> </div> </div> </div> <div class="text-center pt-2 version-button permalink"> <div class="live"> <a data-toggle="tooltip" data-placement="bottom" title="Permalink to this version of A0003" href="/versions/v16/assets/A0003/" data-test-ignore="true">Version Permalink</a> </div> <div class="permalink"> <a data-toggle="tooltip" data-placement="bottom" title="Go to the live version of A0003" href="/assets/A0003/" data-test-ignore="true">Live Version</a> </div> </div> </div> </div> <h2 class="pt-3" id="relatedAssets">Related Assets</h2> <table class="table table-bordered table-alternate mt-2" aria-describedby="related-assets-table"> <thead> <tr> <th scope="col">Name</th> <th scope="col">Sectors</th> <th scope="col">Description</th> </tr> </thead> <tbody> <tr> <td>Process Automation Controller (PAC)</td> <td>General</td> <td> <p>Process Automation Controllers (PAC) share much of the same functionality as a PLC. PACs may include advanced features for process control, motion control, drive control, and vision applications. PACs may include additional features such as options to program in traditional programming languages such as C and C++ in addition to 61131 programming languages in order to support these more advanced controls. </p> </td> </tr> <tr> <td>Field Device / Controller</td> <td></td> <td> <p>Programmable Logic Controller (PLC) may be referred to as Field Controllers or Field Devices as a general function name. </p> </td> </tr> </tbody> </table>  <div class="dropdown h3 mt-3 float-right"> <button class="btn btn-navy dropdown-toggle" type="button" id="dropdownMenuButton" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> <b>ATT&CK<sup>®</sup> Navigator Layers</b> </button> <div class="dropdown-menu" aria-labelledby="dropdownMenuButton"> <h6 class="dropdown-header">ICS Layer</h6> <a class="dropdown-item" href="/versions/v16/assets/A0003/A0003-ics-layer.json" download target="_blank">download</a>  <a class="dropdown-item" href="#" id="view-layer-on-navigator-ics" target="_blank">view <img width="10" src="/versions/v16/theme/images/external-site-dark.jpeg"></a> <script src="/versions/v16/theme/scripts/settings.js"></script> <script> if (window.location.protocol == "https:") { //view on navigator only works when this site is hosted on HTTPS var layerURL = window.location.protocol + "//" + window.location.host + base_url + "assets/A0003/A0003-ics-layer.json"; document.getElementById("view-layer-on-navigator-ics").href = "https://mitre-attack.github.io/attack-navigator//#layerURL=" + encodeURIComponent(layerURL); } else { //hide button document.getElementById("view-layer-on-navigator-ics").classList.add("d-none"); } </script> </div> </div>  <h2 class="pt-3 mb-2" id="techniques">Techniques</h2> <div class="tables-mobile"> <table class="table techniques-used background table-bordered"> <thead> <tr> <th class="p-2" scope="col">Domain</th> <th class="p-2" colspan="2">ID</th> <th class="p-2" scope="col">Name</th> </tr> </thead> <tbody> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0800">T0800</a> </td> <td> <a href="/versions/v16/techniques/T0800">Activate Firmware Update Mode</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0830">T0830</a> </td> <td> <a href="/versions/v16/techniques/T0830">Adversary-in-the-Middle</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0878">T0878</a> </td> <td> <a href="/versions/v16/techniques/T0878">Alarm Suppression</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0802">T0802</a> </td> <td> <a href="/versions/v16/techniques/T0802">Automated Collection</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0803">T0803</a> </td> <td> <a href="/versions/v16/techniques/T0803">Block Command Message</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0804">T0804</a> </td> <td> <a href="/versions/v16/techniques/T0804">Block Reporting Message</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0805">T0805</a> </td> <td> <a href="/versions/v16/techniques/T0805">Block Serial COM</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0806">T0806</a> </td> <td> <a href="/versions/v16/techniques/T0806">Brute Force I/O</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0892">T0892</a> </td> <td> <a href="/versions/v16/techniques/T0892">Change Credential</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0858">T0858</a> </td> <td> <a href="/versions/v16/techniques/T0858">Change Operating Mode</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0885">T0885</a> </td> <td> <a href="/versions/v16/techniques/T0885">Commonly Used Port</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0884">T0884</a> </td> <td> <a href="/versions/v16/techniques/T0884">Connection Proxy</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0809">T0809</a> </td> <td> <a href="/versions/v16/techniques/T0809">Data Destruction</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0812">T0812</a> </td> <td> <a href="/versions/v16/techniques/T0812">Default Credentials</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0814">T0814</a> </td> <td> <a href="/versions/v16/techniques/T0814">Denial of Service</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0868">T0868</a> </td> <td> <a href="/versions/v16/techniques/T0868">Detect Operating Mode</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0816">T0816</a> </td> <td> <a href="/versions/v16/techniques/T0816">Device Restart/Shutdown</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0871">T0871</a> </td> <td> <a href="/versions/v16/techniques/T0871">Execution through API</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0820">T0820</a> </td> <td> <a href="/versions/v16/techniques/T0820">Exploitation for Evasion</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0890">T0890</a> </td> <td> <a href="/versions/v16/techniques/T0890">Exploitation for Privilege Escalation</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0866">T0866</a> </td> <td> <a href="/versions/v16/techniques/T0866">Exploitation of Remote Services</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0874">T0874</a> </td> <td> <a href="/versions/v16/techniques/T0874">Hooking</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0877">T0877</a> </td> <td> <a href="/versions/v16/techniques/T0877">I/O Image</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0872">T0872</a> </td> <td> <a href="/versions/v16/techniques/T0872">Indicator Removal on Host</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0835">T0835</a> </td> <td> <a href="/versions/v16/techniques/T0835">Manipulate I/O Image</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0838">T0838</a> </td> <td> <a href="/versions/v16/techniques/T0838">Modify Alarm Settings</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0821">T0821</a> </td> <td> <a href="/versions/v16/techniques/T0821">Modify Controller Tasking</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0836">T0836</a> </td> <td> <a href="/versions/v16/techniques/T0836">Modify Parameter</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0889">T0889</a> </td> <td> <a href="/versions/v16/techniques/T0889">Modify Program</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0839">T0839</a> </td> <td> <a href="/versions/v16/techniques/T0839">Module Firmware</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0801">T0801</a> </td> <td> <a href="/versions/v16/techniques/T0801">Monitor Process State</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0834">T0834</a> </td> <td> <a href="/versions/v16/techniques/T0834">Native API</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0840">T0840</a> </td> <td> <a href="/versions/v16/techniques/T0840">Network Connection Enumeration</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0842">T0842</a> </td> <td> <a href="/versions/v16/techniques/T0842">Network Sniffing</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0861">T0861</a> </td> <td> <a href="/versions/v16/techniques/T0861">Point & Tag Identification</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0843">T0843</a> </td> <td> <a href="/versions/v16/techniques/T0843">Program Download</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0845">T0845</a> </td> <td> <a href="/versions/v16/techniques/T0845">Program Upload</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0846">T0846</a> </td> <td> <a href="/versions/v16/techniques/T0846">Remote System Discovery</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0888">T0888</a> </td> <td> <a href="/versions/v16/techniques/T0888">Remote System Information Discovery</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0847">T0847</a> </td> <td> <a href="/versions/v16/techniques/T0847">Replication Through Removable Media</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0848">T0848</a> </td> <td> <a href="/versions/v16/techniques/T0848">Rogue Master</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0851">T0851</a> </td> <td> <a href="/versions/v16/techniques/T0851">Rootkit</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0856">T0856</a> </td> <td> <a href="/versions/v16/techniques/T0856">Spoof Reporting Message</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0869">T0869</a> </td> <td> <a href="/versions/v16/techniques/T0869">Standard Application Layer Protocol</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0862">T0862</a> </td> <td> <a href="/versions/v16/techniques/T0862">Supply Chain Compromise</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0857">T0857</a> </td> <td> <a href="/versions/v16/techniques/T0857">System Firmware</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0855">T0855</a> </td> <td> <a href="/versions/v16/techniques/T0855">Unauthorized Command Message</a> </td> </tr> <tr class="technique ics" id="ics"> <td> ICS </td> <td colspan="2"> <a href="/versions/v16/techniques/T0859">T0859</a> </td> <td> <a href="/versions/v16/techniques/T0859">Valid Accounts</a> </td> </tr> </tbody> </table> </div> <h2 class="pt-3" id="references">References</h2> <div class="row"> <div class="col"> <ol> <li> <span id="scite-1" class="scite-citation"> <span class="scite-citation-text"> <a rel="nofollow" class="external text" name="scite-1" href="https://webstore.iec.ch/publication/4552" target="_blank"> IEC 2013, February 20 IEC 61131-3:2013 Programmable controllers - Part 3: Programming languages Retrieved. 2019/10/22 </a> </span> </span> </li> </ol> </div> <div class="col"> </div> </div> </div> </div> </div> </div> </div> </div>   <div class="overlay search" id="search-overlay" style="display: none;"> <div class="overlay-inner">  <div class="search-header"> <div class="search-input"> <input type="text" id="search-input" placeholder="search"> </div> <div class="search-icons"> <div class="search-parsing-icon spinner-border" style="display: 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