windows community v1.0.0

msctf.dll

msctf.dll — Environment Variable hijacking (Microsoft)

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msctf.dll
msctf.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

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

msctf.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\conhost.exe (Environment Variable)
  • %SYSTEM32%\filehistory.exe (Environment Variable)
  • %SYSTEM32%\mstsc.exe (Environment Variable)
  • %SYSTEM32%\wordpad.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft\Edge\Application\msedge.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\excel.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\outlook.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\powerpnt.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\winword.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft\EdgeWebView\Application%VERSION%\msedgewebview2.exe (Environment Variable)
  • %PROGRAMFILES%\Microsoft Office\root\Office%VERSION%\mspub.exe (Environment Variable)

Acknowledgement: Wietze

References