Detecting MITRE ATT&CK: Defense evasion techniques with Falco

MITRE ATT&CK's defense evasion techniques are strategies used by attackers to bypass security measures, and understanding them is crucial for securing infrastructure. The article explains how these techniques are grouped within the MITRE ATT&CK framework and highlights the role of Falco, an open-source runtime threat detection tool, in identifying such threats in container environments. Falco can detect changes to setuid or setgid bits on files and attempts to disable security tools like ufw, AppArmor, and SELinux, thereby enhancing security by monitoring for abnormal behavior in real-time. The article also discusses how attackers might exploit elevation control mechanisms or disable security tools to gain unauthorized access or maintain persistence, illustrating the necessity of runtime security tools like Falco to protect containerized applications.

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