// MITRE ATT&CK
T1571 · Non-Standard Port
Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088(Citation: Symantec Elfin Mar 2019) or port 587(Citation: Fortinet Agent Tesla April 2018) as opposed to the traditional port 443. Adversaries may make changes to the sta...
How to detect & mitigate it
Detecting Non-Standard Port 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
T1132.001
Standard Encoding T1568.002
Domain Generation Algorithms T1071.004
DNS T1071.005
Publish/Subscribe Protocols T1573.001
Symmetric Cryptography T1568.001
Fast Flux DNS T1071
Application Layer Protocol T1219
Remote Access Tools
Standard Encoding T1568.002
Domain Generation Algorithms T1071.004
DNS T1071.005
Publish/Subscribe Protocols T1573.001
Symmetric Cryptography T1568.001
Fast Flux DNS T1071
Application Layer Protocol T1219
Remote Access Tools
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