Adversaries may install code on externally facing portals, such as a VPN login page, to capture and transmit credentials of users who attempt to log into the service. For example, a compromised login page may log provided user credentials before logging the user in to the service.
This variation on input capture may be conducted post-compromise using legitimate administrative access as a backup measure to maintain network access through External Remote Services and Valid Accounts or as part of the initial compromise by exploitation of the externally facing web service.(Citation: Volexity Virtual Private Keylogging)
View in MITRE ATT&CK®| Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
|---|---|---|---|---|---|
| action.hacking.vector.Web application | Web application | related-to | T1056.003 | Input Capture: Web Portal Capture | |
| action.malware.variety.Capture app data | Capture data from application or system process | related-to | T1056.003 | Input Capture: Web Portal Capture | |
| attribute.confidentiality.data_disclosure | None | related-to | T1056.003 | Input Capture: Web Portal Capture |