{"description": "Enterprise techniques used by Heyoka Backdoor, ATT&CK software S1027 (v1.1)", "name": "Heyoka Backdoor (S1027)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.004", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can use DNS tunneling for C2 communications.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1547", "showSubtechniques": true}, {"techniqueID": "T1547.001", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can establish persistence with the auto start function including using the value `EverNoteTrayUService`.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1140", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can decrypt its payload prior to execution.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1083", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) has the ability to search the compromised host for files.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1070", "showSubtechniques": true}, {"techniqueID": "T1070.004", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) has the ability to delete folders and files from a targeted system.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1036", "showSubtechniques": true}, {"techniqueID": "T1036.004", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) has been named `srvdll.dll` to appear as a legitimate service.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.013", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can encrypt its payload.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1120", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can identify removable media attached to victim's machines.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1057", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can gather process information.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1055", "showSubtechniques": true}, {"techniqueID": "T1055.001", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can inject a DLL into rundll32.exe for execution.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1572", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can use spoofed DNS requests to create a bidirectional tunnel between a compromised host and its C2 servers.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1218", "showSubtechniques": true}, {"techniqueID": "T1218.011", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can use rundll32.exe to gain execution.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1082", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can enumerate drives on a compromised host.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1007", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) can check if it is running as a service on a compromised host.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1204", "showSubtechniques": true}, {"techniqueID": "T1204.002", "comment": "[Heyoka Backdoor](https://attack.mitre.org/software/S1027) has been spread through malicious document lures.(Citation: SentinelOne Aoqin Dragon June 2022)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Heyoka Backdoor", "color": "#66b1ff"}]}