Web Portal Capture - T1056.003

(ATT&CK® Technique)

Definition

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.

D3FEND Inferred Relationships

Browse the D3FEND knowledge graph by clicking on the nodes below.

        graph LR;

     T1056003["Web Portal Capture"] --> |modifies| WebServerApplication["Web Server Application"]; class T1056003 OffensiveTechniqueNode;
        class WebServerApplication ArtifactNode; click WebServerApplication href "/dao/artifact/d3f:WebServerApplication";
        click T1056003 href "/offensive-technique/attack/T1056.003/"; click WebServerApplication href "/dao/artifact/d3f:WebServerApplication";             SoftwareUpdate["Software Update"] -->
          | updates | WebServerApplication["Web Server Application"];

          SoftwareUpdate["Software Update"] -.->
            | may-harden | T1056003["Web Portal Capture"] ;
          class SoftwareUpdate DefensiveTechniqueNode;
          class WebServerApplication ArtifactNode;
          click SoftwareUpdate href "/technique/d3f:SoftwareUpdate";   RestoreSoftware["Restore Software"] -->
          | restores | WebServerApplication["Web Server Application"];

          RestoreSoftware["Restore Software"] -.->
            | may-restore | T1056003["Web Portal Capture"] ;
          class RestoreSoftware DefensiveTechniqueNode;
          class WebServerApplication ArtifactNode;
          click RestoreSoftware href "/technique/d3f:RestoreSoftware"; ServiceBinaryVerification["Service Binary Verification"] -->
          | verifies | WebServerApplication["Web Server Application"];

          ServiceBinaryVerification["Service Binary Verification"] -.->
            | may-detect | T1056003["Web Portal Capture"] ;
          class ServiceBinaryVerification DefensiveTechniqueNode;
          class WebServerApplication ArtifactNode;
          click ServiceBinaryVerification href "/technique/d3f:ServiceBinaryVerification";

json

Use of the MITRE D3FEND™ Knowledge Graph and website is subject to the Terms of Use. Use of the MITRE D3FEND website is subject to the MITRE D3FEND Privacy Policy. MITRE D3FEND is funded by the National Security Agency (NSA) Cybersecurity Directorate and managed by the National Security Engineering Center (NSEC) which is operated by The MITRE Corporation. MITRE D3FEND; and the MITRE D3FEND logo are trademarks of The MITRE Corporation. MITRE ATT&CK® and ATT&CK® are registered trademarks of The MITRE Corporation. MITRE ATT&CK content is subject to the MITRE ATT&CK terms of use. This software was produced for the U. S. Government under Basic Contract No. W56KGU-18-D-0004, and is subject to the Rights in Noncommercial Computer Software and Noncommercial Computer Software Documentation Clause 252.227-7014 (FEB 2012)
© 2025 The MITRE Corporation.
Approved for Public Release; Distribution Unlimited #20-2338 and #23-1207.