// MITRE ATT&CK
T1600.001 · Reduce Key Space
Sub-técnica de T1600 · Weaken Encryption.
Adversaries may reduce the level of effort required to decrypt data transmitted over the network by reducing the cipher strength of encrypted communications.(Citation: Cisco Synful Knock Evolution) Adversaries can weaken the encryption software on a compromised network device by reducing the key si...
¿Cómo detectarlo y mitigarlo?
La detección de Reduce Key Space 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
T1687
Exploitation for Defense Impairment T1556.003
Pluggable Authentication Modules T1578.004
Revert Cloud Instance T1222.002
Linux and Mac Permissions T1666
Modify Cloud Resource Hierarchy T1685.003
Modify or Spoof Tool UI T1685.001
Disable or Modify Windows Event Log T1578
Modify Cloud Compute Infrastructure
Exploitation for Defense Impairment T1556.003
Pluggable Authentication Modules T1578.004
Revert Cloud Instance T1222.002
Linux and Mac Permissions T1666
Modify Cloud Resource Hierarchy T1685.003
Modify or Spoof Tool UI T1685.001
Disable or Modify Windows Event Log T1578
Modify Cloud Compute Infrastructure
Fuente: MITRE ATT&CK®. ATT&CK es una marca registrada de The MITRE Corporation. Contenido con fines educativos.