// MITRE ATT&CK

T1567 · Exfiltration Over Web Service

🎯 Exfiltration ESXiLinuxmacOSOffice SuiteSaaSWindows

Adversaries may use an existing, legitimate external Web service to exfiltrate data rather than their primary command and control channel. Popular Web services acting as an exfiltration mechanism may give a significant amount of cover due to the likelihood that hosts within a network are already com...

How to detect & mitigate it

Detecting Exfiltration Over Web Service starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.

Sub-techniques (4)

Related techniques

Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.