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urlmon.dll

urlmon.dll — Sideloading hijacking (Microsoft)

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urlmon.dll
urlmon.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

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

urlmon.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\bytecodegenerator.exe (Sideloading)
  • %SYSTEM32%\ie4uinit.exe (Sideloading)
  • %SYSTEM32%\ldifde.exe (Sideloading)
  • %SYSTEM32%\presentationhost.exe (Sideloading)
  • %SYSTEM32%\write.exe (Sideloading)

Acknowledgement: Chris Spehn

References