{"description": "Enterprise techniques used by Downdelph, ATT&CK software S0134 (v1.2)", "name": "Downdelph (S0134)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1548", "showSubtechniques": true}, {"techniqueID": "T1548.002", "comment": "[Downdelph](https://attack.mitre.org/software/S0134) bypasses UAC to escalate privileges by using a custom \u201cRedirectEXE\u201d shim database.(Citation: ESET Sednit Part 3)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1001", "showSubtechniques": true}, {"techniqueID": "T1001.001", "comment": "[Downdelph](https://attack.mitre.org/software/S0134) inserts pseudo-random characters between each original character during encoding of C2 network requests, making it difficult to write signatures on them.(Citation: ESET Sednit Part 3)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1573", "showSubtechniques": true}, {"techniqueID": "T1573.001", "comment": "[Downdelph](https://attack.mitre.org/software/S0134) uses RC4 to encrypt C2 responses.(Citation: ESET Sednit Part 3)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1574", "showSubtechniques": true}, {"techniqueID": "T1574.001", "comment": "[Downdelph](https://attack.mitre.org/software/S0134) uses search order hijacking of the Windows executable sysprep.exe to escalate privileges.(Citation: ESET Sednit Part 3)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1105", "comment": "After downloading its main config file, [Downdelph](https://attack.mitre.org/software/S0134) downloads multiple payloads from C2 servers.(Citation: ESET Sednit Part 3)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by Downdelph", "color": "#66b1ff"}]}