windows community v1.0.0

mlang.dll

mlang.dll — Sideloading, Environment Variable hijacking (Microsoft)

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mlang.dll
mlang.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack
security.privilegeescalation.dll-hijack

Documentation

examples:

  • description: "Place malicious mlang.dll in the search order location" command: "copy malicious.dll "%SYSTEM32%\mlang.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""%SYSTEM32%\calc.exe""

mlang.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\calc.exe (Sideloading)
  • %SYSTEM32%\computerdefaults.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\fodhelper.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\ie4uinit.exe (Sideloading)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\excel.exe (Environment Variable)

Acknowledgement: Wietze

References