windows community v1.0.0

cscui.dll

cscui.dll — Environment Variable hijacking (Microsoft)

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cscui.dll
cscui.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

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

cscui.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\certreq.exe (Environment Variable)
  • %SYSTEM32%\compmgmtlauncher.exe (Environment Variable)
  • %SYSTEM32%\explorer.exe (Environment Variable)
  • %SYSTEM32%\notepad.exe (Environment Variable)

Acknowledgement: Wietze

References