{"description": "ICS techniques used by Fuxnet, ATT&CK software S1157 (v1.0)", "name": "Fuxnet (S1157)", "domain": "ics-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T0806", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) repeatedly wrote arbitrary data over the Meter-Bus channel from impacted devices to connected sensors to render sensor data acquisition useless.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T0809", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) physically destroyed NAND memory chips on impacted devices through repeated bit-flip operations.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T0814", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) shut down remote access services such as SSH, HTTP, telnet, and SNMP to a device along with deleting the routing table for routing devices to inhibit system accessibility and communication.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T0822", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) initial execution relied on accessing external remote services for victim environments.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T0883", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) execution relied upon accessing Internet-accessible devices for initial access and deployment.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T0829", "comment": "[Fuxnet](https://attack.mitre.org/software/S1157) impaired sensor communication to impacted devices resulting in a loss of view condition for overall system monitoring.(Citation: Claroty Fuxnet 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Fuxnet", "color": "#66b1ff"}]}