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Windows bind links exploited for EDR evasion

Feeds.Feedburner •SC Staff • July 16, 2026

As reported by Security Week, security researchers at Bitdefender have demonstrated three attack techniques that leverage Windows' bind links to evade endpoint detection and response (EDR) products. Bind links are a legitimate Windows feature that creates a virtual path, but when manipulated, they can redirect access to attacker-controlled files, effectively hiding malware.

The researchers detailed three methods: file-binding, process-binding, and silo-binding. File-binding involves hijacking DLL paths, such as AMSI.dll, to load malicious code invisibly. Process-binding extends this to executable images, making malicious processes appear as legitimate ones like winver.exe to EDRs. The most sophisticated technique, silo-binding, uses Windows silos to create isolated file system views, preventing detection by external scanners. This method requires administrator access and can bypass security defenses like AppLocker and EDRs.

Microsoft has classified the threat as low severity due to the administrator privilege requirement. However, Bitdefender argues that attackers frequently obtain such access, and this method provides a potent evasion tool for ransomware groups, bypassing the need for vulnerable drivers.

Source: Security Week

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

New Windows Bind Link Techniques Enable EDR Evasion for Attackers Bitdefender researchers have identified three new techniques that exploit Windows Bind Links to bypass endpoint detection and response (EDR) systems. These techniques—File-Binding, Process-Binding, and Silo-Binding—allow attackers with administrator privileges to redirect file paths to malicious files while appearing legitimate to security tools. File-Binding hijacks DLL paths, such as AMSI.dll, to load harmful code undetected. Process-Binding makes malicious executables masquerade as trusted processes, like winver.exe. The most advanced, Silo-Binding, utilizes Windows silos to create isolated filesystem views, evading detection from external scanners. Microsoft has assessed the threat as low severity, citing the requirement for admin access, but Bitdefender warns that this method poses a significant risk for ransomware groups. The techniques can bypass security measures like AppLocker and Windows Firewall, making them potent tools for post-compromise scenarios. 3 sources 52

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Windows bind links exploited for EDR evasion

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Attack Types (1)

MITRE ATT&CK (4)

Platforms (3)