{"description": "Enterprise techniques used by LIGHTRAIL, ATT&CK software S9061 (v1.0)", "name": "LIGHTRAIL (S9061)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "20", "navigator": "5.3.2"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has communicated over websockets to cloud C2 infrastructure.(Citation: Mandiant_UNC1549_Feb2024)(Citation: Mandiant_UNC1549TTPsTools_Nov2025)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1001", "showSubtechniques": true}, {"techniqueID": "T1001.003", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has leveraged hard-coded User Agent strings to blend in with traffic to include `Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10136`.(Citation: Mandiant_UNC1549TTPsTools_Nov2025)(Citation: Mandiant_UNC1549_Feb2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1574", "showSubtechniques": true}, {"techniqueID": "T1574.001", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has been deployed using a launcher, which has been executed via search-order-hijacking (SoH).(Citation: Mandiant_UNC1549TTPsTools_Nov2025)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1036", "showSubtechniques": true}, {"techniqueID": "T1036.012", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has leveraged hard-coded User Agent strings to mimic legitimate browser traffic. (Citation: Mandiant_UNC1549TTPsTools_Nov2025)(Citation: Mandiant_UNC1549_Feb2024)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1106", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has leveraged Windows API calls to establish the WebSocket to include `WinHTTP`.(Citation: Mandiant_UNC1549TTPsTools_Nov2025) ", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1572", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has used SOCKS4A proxies to tunnel traffic.(Citation: Mandiant_UNC1549_Feb2024) ", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1090", "showSubtechniques": true}, {"techniqueID": "T1090.002", "comment": "[LIGHTRAIL](https://attack.mitre.org/software/S9061) has utilized SOCKS4A proxies to communicate with the C2.(Citation: Mandiant_UNC1549_Feb2024)(Citation: Mandiant_UNC1549TTPsTools_Nov2025)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by LIGHTRAIL", "color": "#66b1ff"}]}