{"description": "Enterprise techniques used by RAPIDPULSE, ATT&CK software S1113 (v1.1)", "name": "RAPIDPULSE (S1113)", "domain": "enterprise-attack", "versions": {"layer": "4.5", "attack": "17", "navigator": "5.1.0"}, "techniques": [{"techniqueID": "T1005", "comment": "[RAPIDPULSE](https://attack.mitre.org/software/S1113) retrieves files from the victim system via encrypted commands sent to the web shell.(Citation: Mandiant Pulse Secure Update May 2021)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1140", "comment": "[RAPIDPULSE](https://attack.mitre.org/software/S1113) listens for specific HTTP query parameters in received communications. If specific parameters match, a hard-coded RC4 key is used to decrypt the HTTP query paremter hmacTime. This decrypts to a filename that is then open, read, encrypted with the same RC4 key, base64-encoded, written to standard out, then passed as a response to the HTTP request.(Citation: Mandiant Pulse Secure Update May 2021)", "score": 1, "color": "#66b1ff", "showSubtechniques": false}, {"techniqueID": "T1027", "showSubtechniques": true}, {"techniqueID": "T1027.013", "comment": "[RAPIDPULSE](https://attack.mitre.org/software/S1113) has the ability to RC4 encrypt and base64 encode decrypted files on compromised servers prior to writing them to stdout.(Citation: Mandiant Pulse Secure Update May 2021)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}, {"techniqueID": "T1505", "showSubtechniques": true}, {"techniqueID": "T1505.003", "comment": "[RAPIDPULSE](https://attack.mitre.org/software/S1113) is a web shell that is capable of arbitrary file read on targeted web servers to exfiltrate items of interest on the victim device.(Citation: Mandiant Pulse Secure Update May 2021)", "score": 1, "color": "#66b1ff", "showSubtechniques": true}], "gradient": {"colors": ["#ffffff", "#66b1ff"], "minValue": 0, "maxValue": 1}, "legendItems": [{"label": "used by RAPIDPULSE", "color": "#66b1ff"}]}