{"description": "Enterprise techniques used by Chaos, ATT&CK software S0220 (v1.1)", "name": "Chaos (S0220)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1110", "comment": "[Chaos](https://attack.mitre.org/software/S0220) conducts brute force attacks against SSH services to gain initial access.(Citation: Chaos Stolen Backdoor)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1059", "showSubtechniques": true}, {"techniqueID": "T1059.004", "comment": "[Chaos](https://attack.mitre.org/software/S0220) provides a reverse shell connection on 8338/TCP, encrypted via AES.(Citation: Chaos Stolen Backdoor)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.001", "comment": "[Chaos](https://attack.mitre.org/software/S0220) provides a reverse shell connection on 8338/TCP, encrypted via AES.(Citation: Chaos Stolen Backdoor)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1104", "comment": "After initial compromise, [Chaos](https://attack.mitre.org/software/S0220) will download a second stage to establish a more permanent presence on the affected system.(Citation: Chaos Stolen Backdoor)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1205", "comment": "[Chaos](https://attack.mitre.org/software/S0220) provides a reverse shell is triggered upon receipt of a packet with a special string, sent to any port.(Citation: Chaos Stolen Backdoor)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Chaos", "color": "#66b1ff"}]}