windows community v1.0.0

rtutils.dll

rtutils.dll — Sideloading hijacking (Microsoft)

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rtutils.dll
rtutils.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

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

rtutils.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\dialer.exe (Sideloading)
  • %SYSTEM32%\nethost.exe (Sideloading)
  • %SYSTEM32%\rasautou.exe (Sideloading)
  • %SYSTEM32%\rasdial.exe (Sideloading)
  • %SYSTEM32%\rasphone.exe (Sideloading)

Acknowledgement: Wietze

Acknowledgement: Chris Spehn

References