// MITRE ATT&CK
T1567.004 · Exfiltration Over Webhook
Sub-technique of T1567 · Exfiltration Over Web Service.
Adversaries may exfiltrate data to a webhook endpoint rather than over their primary command and control channel. Webhooks are simple mechanisms for allowing a server to push data over HTTP/S to a client without the need for the client to continuously poll the server.(Citation: RedHat Webhooks) Many...
How to detect & mitigate it
Detecting Exfiltration Over Webhook 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.
Related techniques
T1567
Exfiltration Over Web Service T1029
Scheduled Transfer T1011
Exfiltration Over Other Network Medium T1011.001
Exfiltration Over Bluetooth T1020
Automated Exfiltration T1048.001
Exfiltration Over Symmetric Encrypted Non-C2 Protocol T1020.001
Traffic Duplication T1567.001
Exfiltration to Code Repository
Exfiltration Over Web Service T1029
Scheduled Transfer T1011
Exfiltration Over Other Network Medium T1011.001
Exfiltration Over Bluetooth T1020
Automated Exfiltration T1048.001
Exfiltration Over Symmetric Encrypted Non-C2 Protocol T1020.001
Traffic Duplication T1567.001
Exfiltration to Code Repository
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