windows community v1.0.0

libsmartscreenn.dll

libsmartscreenn.dll — Sideloading hijacking (Microsoft)

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libsmartscreenn.dll
libsmartscreenn.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

  • description: "Place malicious libsmartscreenn.dll in the search order location" command: "copy malicious.dll "%PROGRAMFILES%\WindowsApps\Microsoft.DesktopAppInstaller_%VERSION%_x64__8wekyb3d8bbwe\libsmartscreenn.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""%PROGRAMFILES%\WindowsApps\Microsoft.DesktopAppInstaller_%VERSION%_x64__8wekyb3d8bbwe\AppInstaller.exe""

libsmartscreenn.dll

Vendor: Microsoft

Expected Location: %PROGRAMFILES%\WindowsApps\Microsoft.DesktopAppInstaller_%VERSION%_x64__8wekyb3d8bbwe

Vulnerable Executables:

  • %PROGRAMFILES%\WindowsApps\Microsoft.DesktopAppInstaller_%VERSION%_x64__8wekyb3d8bbwe\AppInstaller.exe (Sideloading)

Acknowledgement: Still Hsu

References