{"description": "Enterprise techniques used by OwaAuth, ATT&CK software S0072 (v1.2)", "name": "OwaAuth (S0072)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1071", "showSubtechniques": true}, {"techniqueID": "T1071.001", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) uses incoming HTTP requests with a username keyword and commands and handles them as instructions to perform actions.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1560", "showSubtechniques": true}, {"techniqueID": "T1560.003", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) DES-encrypts captured credentials using the key 12345678 before writing the credentials to a log file.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1083", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) has a command to list its directory and logical drives.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1070", "showSubtechniques": true}, {"techniqueID": "T1070.006", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) has a command to timestop a file or directory.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1056", "showSubtechniques": true}, {"techniqueID": "T1056.001", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) captures and DES-encrypts credentials before writing the username and password to a log file, C:\\log.txt.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1036", "showSubtechniques": true}, {"techniqueID": "T1036.005", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) uses the filename owaauth.dll, which is a legitimate file that normally resides in %ProgramFiles%\\Microsoft\\Exchange Server\\ClientAccess\\Owa\\Auth\\; the malicious file by the same name is saved in %ProgramFiles%\\Microsoft\\Exchange Server\\ClientAccess\\Owa\\bin\\.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1505", "showSubtechniques": true}, {"techniqueID": "T1505.003", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) is a Web shell that appears to be exclusively used by [Threat Group-3390](https://attack.mitre.org/groups/G0027). It is installed as an ISAPI filter on Exchange servers and shares characteristics with the [China Chopper](https://attack.mitre.org/software/S0020) Web shell.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1505.004", "comment": "[OwaAuth](https://attack.mitre.org/software/S0072) has been loaded onto Exchange servers and disguised as an ISAPI filter (owaauth.dll). The IIS w3wp.exe process then loads the malicious DLL.(Citation: Dell TG-3390)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by OwaAuth", "color": "#66b1ff"}]}