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wtsapi32.dll

wtsapi32.dll — Sideloading hijacking (Microsoft)

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wtsapi32.dll
wtsapi32.dll

Sandbox: execFile · Timeout: 30s

Capabilities

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

Documentation

examples:

  • description: "Place malicious wtsapi32.dll in the search order location" command: "copy malicious.dll "%SYSTEM32%\wtsapi32.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""%SYSTEM32%\appvclient.exe""

wtsapi32.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\appvclient.exe (Sideloading)
  • %SYSTEM32%\bdeuisrv.exe (Sideloading)
  • %SYSTEM32%\customshellhost.exe (Sideloading)
  • %SYSTEM32%\magnify.exe (Sideloading)
  • %SYSTEM32%\mblctr.exe (Sideloading)
  • %SYSTEM32%\mdmappinstaller.exe (Sideloading)
  • %SYSTEM32%\raserver.exe (Sideloading)
  • %SYSTEM32%\rdpclip.exe (Sideloading)
  • %SYSTEM32%\rdpinput.exe (Sideloading)
  • %SYSTEM32%\rdpinit.exe (Sideloading)
  • %SYSTEM32%\rdpshell.exe (Sideloading)
  • %SYSTEM32%\rdvghelper.exe (Sideloading)
  • %SYSTEM32%\sdclt.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\securityhealthservice.exe (Sideloading)
  • %SYSTEM32%\sethc.exe (Sideloading)
  • %SYSTEM32%\slui.exe (Sideloading)
  • %SYSTEM32%\systemsettingsadminflows.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\wusa.exe (Sideloading) [AutoElevate]

Acknowledgement: Wietze

Acknowledgement: Chris Spehn

Acknowledgement: Austin Worline

References