{"description": "Enterprise techniques used by WellMess, ATT&CK software S0514 (v1.0)", "name": "WellMess (S0514)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "18", "navigator": "5.2.0"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can use HTTP and HTTPS in C2 communications.(Citation: PWC WellMess July 2020)(Citation: PWC WellMess C2 August 2020)(Citation: CISA WellMess July 2020)(Citation: NCSC APT29 July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1071.004", "comment": "[WellMess](https://attack.mitre.org/software/S0514) has the ability to use DNS tunneling for C2 communications.(Citation: PWC WellMess July 2020)(Citation: NCSC APT29 July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059", "showSubtechniques": true}, {"techniqueID": "T1059.001", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can execute PowerShell scripts received from C2.(Citation: PWC WellMess July 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059.003", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can execute command line scripts received from C2.(Citation: PWC WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1132", "showSubtechniques": true}, {"techniqueID": "T1132.001", "comment": "[WellMess](https://attack.mitre.org/software/S0514) has used Base64 encoding to uniquely identify communication to and from the C2.(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1005", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can send files from the victim machine to C2.(Citation: PWC WellMess July 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1001", "showSubtechniques": true}, {"techniqueID": "T1001.001", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can use junk data in the Base64 string for additional obfuscation.(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1140", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can decode and decrypt data received from C2.(Citation: PWC WellMess July 2020)(Citation: PWC WellMess C2 August 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.001", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can encrypt HTTP POST data using RC6 and a dynamically generated AES key encrypted with a hard coded RSA public key.(Citation: PWC WellMess July 2020)(Citation: PWC WellMess C2 August 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1573.002", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can communicate to C2 with mutual TLS where client and server mutually check certificates.(Citation: PWC WellMess July 2020)(Citation: PWC WellMess C2 August 2020)(Citation: CISA WellMess July 2020)(Citation: NCSC APT29 July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1105", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can write files to a compromised host.(Citation: PWC WellMess July 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1069", "showSubtechniques": true}, {"techniqueID": "T1069.002", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can identify domain group membership for the current user.(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1082", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can identify the computer name of a compromised host.(Citation: PWC WellMess July 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1016", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can identify the IP address and user domain on the target machine.(Citation: PWC WellMess July 2020)(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1033", "comment": "[WellMess](https://attack.mitre.org/software/S0514) can collect the username on the victim machine to send to C2.(Citation: CISA WellMess July 2020)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by WellMess", "color": "#66b1ff"}]}