New Windows Bind Link techniques let attackers evade EDR, security controls

Summary

Attackers are leveraging new techniques that abuse Windows Bind Links, a legitimate filesystem virtualization capability, to evade detection by endpoint security tools like EDR, AMSI, and AppLocker. Bitdefender researchers identified three methods – File Binding, Process-Binding, and Silo-Binding – that redirect trusted file paths to malicious ones, allowing malware to execute undetected.

IFF Assessment

FOE

These techniques allow attackers to bypass existing security controls, posing a significant threat to defenders.

Defender Context

Defenders need to be aware of these new evasion techniques that target core Windows functionalities like Bind Links. Monitoring for suspicious file path redirections and unusual process execution, even when seemingly legitimate files are involved, will be crucial for detection and prevention.

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