{"description": "Enterprise techniques used by KEYPLUG, ATT&CK software S1051 (v1.1)", "name": "KEYPLUG (S1051)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) has the ability to communicate over HTTP and WebSocket Protocol (WSS) for C2.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1140", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) can decode its configuration file to determine C2 protocols.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.002", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) can use TLS-encrypted WebSocket Protocol (WSS) for C2.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1095", "comment": "\n[KEYPLUG](https://attack.mitre.org/software/S1051) can use TCP and KCP (KERN Communications Protocol) over UDP for C2 communication.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.013", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) can use a hardcoded one-byte XOR encoded configuration file.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1090", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) has used Cloudflare CDN associated infrastructure to redirect C2 communications to malicious domains.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1124", "comment": "[KEYPLUG](https://attack.mitre.org/software/S1051) can obtain the current tick count of an infected computer.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1102", "showSubtechniques": true}, {"techniqueID": "T1102.001", "comment": "The [KEYPLUG](https://attack.mitre.org/software/S1051) Windows variant has retrieved C2 addresses from encoded data in posts on tech community forums.(Citation: Mandiant APT41)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by KEYPLUG", "color": "#66b1ff"}]}