{"description": "Enterprise techniques used by Versa Director Zero Day Exploitation, ATT&CK campaign C0039 (v1.0)", "name": "Versa Director Zero Day Exploitation (C0039)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "19", "navigator": "5.3.2"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) established HTTPS communications from adversary-controlled SOHO devices over port 443 with compromised Versa Director servers.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1584", "showSubtechniques": true}, {"techniqueID": "T1584.008", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) used compromised small office/home office (SOHO) devices to interact with vulnerable Versa Director servers.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1587", "showSubtechniques": true}, {"techniqueID": "T1587.001", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) involved the development of a new web shell variant, [VersaMem](https://attack.mitre.org/software/S1154).(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.002", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) used HTTPS for command and control of compromised Versa Director servers.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1190", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) involved exploitation of a vulnerability in Versa Director servers, since identified as CVE-2024-39717, for initial access and code execution.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1056", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) intercepted and harvested credentials from user logins to compromised devices.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1095", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) used a non-standard TCP session to initialize communication prior to establishing HTTPS command and control.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1505", "showSubtechniques": true}, {"techniqueID": "T1505.003", "comment": "[Versa Director Zero Day Exploitation](https://attack.mitre.org/campaigns/C0039) resulted in the deployment of the VersaMem web shell for follow-on activity.(Citation: Lumen Versa 2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Versa Director Zero Day Exploitation", "color": "#66b1ff"}]}