{"description": "Enterprise techniques used by Emissary, ATT&CK software S0082 (v1.3)", "name": "Emissary (S0082)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[Emissary](https://attack.mitre.org/software/S0082) uses HTTP or HTTPS for C2.(Citation: Lotus Blossom Dec 2015)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1547", "showSubtechniques": true}, {"techniqueID": "T1547.001", "comment": "Variants of [Emissary](https://attack.mitre.org/software/S0082) have added Run Registry keys to establish persistence.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1059", "showSubtechniques": true}, {"techniqueID": "T1059.003", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to create a remote shell and execute specified commands.(Citation: Lotus Blossom Dec 2015)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1543", "showSubtechniques": true}, {"techniqueID": "T1543.003", "comment": "[Emissary](https://attack.mitre.org/software/S0082) is capable of configuring itself as a service.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.001", "comment": "The C2 server response to a beacon sent by a variant of [Emissary](https://attack.mitre.org/software/S0082) contains a 36-character GUID value that is used as an encryption key for subsequent network communications. Some variants of [Emissary](https://attack.mitre.org/software/S0082) use various XOR operations to encrypt C2 data.(Citation: Lotus Blossom Dec 2015)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1615", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to execute gpresult.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1105", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to download files from the C2 server.(Citation: Lotus Blossom Dec 2015)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.001", "comment": "A variant of [Emissary](https://attack.mitre.org/software/S0082) appends junk data to the end of its DLL file to create a large file that may exceed the maximum size that anti-virus programs can scan.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1027.013", "comment": "Variants of [Emissary](https://attack.mitre.org/software/S0082) encrypt payloads using various XOR ciphers, as well as a custom algorithm that uses the \"srand\" and \"rand\" functions.(Citation: Lotus Blossom Dec 2015)(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1069", "showSubtechniques": true}, {"techniqueID": "T1069.001", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to execute the command net localgroup administrators.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1055", "showSubtechniques": true}, {"techniqueID": "T1055.001", "comment": "[Emissary](https://attack.mitre.org/software/S0082) injects its DLL file into a newly spawned Internet Explorer process.(Citation: Lotus Blossom Dec 2015)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1218", "showSubtechniques": true}, {"techniqueID": "T1218.011", "comment": "Variants of [Emissary](https://attack.mitre.org/software/S0082) have used rundll32.exe in Registry values added to establish persistence.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1082", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to execute ver and systeminfo commands.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1016", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to execute the command ipconfig /all.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1007", "comment": "[Emissary](https://attack.mitre.org/software/S0082) has the capability to execute the command net start to interact with services.(Citation: Emissary Trojan Feb 2016)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Emissary", "color": "#66b1ff"}]}