// MITRE ATT&CK
T1568.003 · DNS Calculation
Sub-técnica de T1568 · Dynamic Resolution.
Adversaries may perform calculations on addresses returned in DNS results to determine which port and IP address to use for command and control, rather than relying on a predetermined port number or the actual returned IP address. A IP and/or port number calculation can be used to bypass egress filt...
¿Cómo detectarlo y mitigarlo?
La detección de DNS Calculation parte de la telemetría de tu SIEM/EDR. Escribe una regla de detección con el generador Sigma, analiza logs sospechosos en el analizador de logs y sitúa la técnica en tu cobertura con la matriz ATT&CK.
Técnicas relacionadas
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
Fuente: MITRE ATT&CK®. ATT&CK es una marca registrada de The MITRE Corporation. Contenido con fines educativos.