windows community v1.0.0

dui70.dll

dui70.dll — Sideloading, Environment Variable hijacking (Microsoft)

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dui70.dll
dui70.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack
security.privilegeescalation.dll-hijack

Documentation

examples:

  • description: "Place malicious dui70.dll in the search order location" command: "copy malicious.dll "%SYSTEM32%\dui70.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""%SYSTEM32%\bdeunlock.exe""

dui70.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\bdeunlock.exe (Sideloading)
  • %SYSTEM32%\camerasettings.exe (Sideloading)
  • %SYSTEM32%\certreq.exe (Sideloading)
  • %SYSTEM32%\dmnotificationbroker.exe (Sideloading)
  • %SYSTEM32%\dpapimig.exe (Sideloading)
  • %SYSTEM32%\licensingui.exe (Sideloading)
  • %SYSTEM32%\optionalfeatures.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\osk.exe (Sideloading)
  • %SYSTEM32%\passwordonwakesettingflyout.exe (Sideloading)
  • %SYSTEM32%\phoneactivate.exe (Sideloading)
  • %SYSTEM32%\proximityuxhost.exe (Sideloading)
  • %SYSTEM32%\rasphone.exe (Environment Variable)
  • %SYSTEM32%\sessionmsg.exe (Sideloading)
  • %SYSTEM32%\sethc.exe (Sideloading)
  • %SYSTEM32%\sysreseterr.exe (Sideloading)
  • %SYSTEM32%\systemsettingsadminflows.exe (Sideloading)
  • %SYSTEM32%\systemsettingsremovedevice.exe (Sideloading)
  • %SYSTEM32%\utilman.exe (Sideloading)
  • %SYSTEM32%\windowsactiondialog.exe (Sideloading)
  • %SYSTEM32%\wlrmdr.exe (Sideloading)

Acknowledgement: Wietze

Acknowledgement: Chris Spehn

References