+DLL Search Order Hijacking Mitigation

DLL Search Order Hijacking Mitigation

Disallow loading of remote DLLs. (Citation: Microsoft DLL Preloading) This is included by default in Windows Server 2012+ and is available by patch for XP+ and Server 2003+. (Citation: Microsoft DLL Search) Path Algorithm Enable Safe DLL Search Mode to force search for system DLLs in directories with greater restrictions (e.g. %SYSTEMROOT%)to be used before local directory DLLs (e.g. a user's home directory). The Safe DLL Search Mode can be enabled via Group Policy at Computer Configuration > [Policies] > Administrative Templates > MSS (Legacy): MSS: (SafeDllSearchMode) Enable Safe DLL search mode. The associated Windows Registry key for this is located at HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\SafeDLLSearchMode (Citation: Microsoft DLL Search) Use auditing tools capable of detecting DLL search order hijacking opportunities on systems within an enterprise and correct them. Toolkits like the PowerSploit framework contain PowerUp modules that can be used to explore systems for DLL hijacking weaknesses. (Citation: Powersploit) Identify and block potentially malicious software that may be executed through search order hijacking by using whitelisting (Citation: Beechey 2010) tools like AppLocker (Citation: Windows Commands JPCERT) (Citation: NSA MS AppLocker) that are capable of auditing and/or blocking unknown DLLs.

1. Übersicht

Bezeichnung Standard

1.1 Referenzen

1.2 Identifizierte Anforderungen

1.3 Related Regulations

2. Identifizierte Anforderungen

Anforderungen
Source Anforderung

3. Related Regulations

Regulations
Source Regulierung

Linked Issues

Issuelinks
Linktyp Issue
is related to Mitigations
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