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mpr.dll

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

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mpr.dll
mpr.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

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

mpr.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\bootcfg.exe (Sideloading)
  • %SYSTEM32%\dcdiag.exe (Sideloading)
  • %SYSTEM32%\dfsrdiag.exe (Sideloading)
  • %SYSTEM32%\driverquery.exe (Sideloading)
  • %SYSTEM32%\dsmgmt.exe (Sideloading)
  • %SYSTEM32%\eventcreate.exe (Sideloading)
  • %SYSTEM32%\filehistory.exe (Environment Variable)
  • %SYSTEM32%\getmac.exe (Sideloading)
  • %SYSTEM32%\gpresult.exe (Sideloading)
  • %SYSTEM32%\iesettingsync.exe (Sideloading)
  • %SYSTEM32%\net.exe (Sideloading)
  • %SYSTEM32%\ntdsutil.exe (Sideloading)
  • %SYSTEM32%\openfiles.exe (Sideloading)
  • %SYSTEM32%\pnpunattend.exe (Sideloading)
  • %SYSTEM32%\rdpclip.exe (Sideloading)
  • %SYSTEM32%\rekeywiz.exe (Sideloading)
  • %SYSTEM32%\repadmin.exe (Sideloading)
  • %SYSTEM32%\sdclt.exe (Sideloading)
  • %SYSTEM32%\setupugc.exe (Sideloading)
  • %SYSTEM32%\systeminfo.exe (Sideloading)
  • %SYSTEM32%\taskkill.exe (Sideloading)
  • %SYSTEM32%\waitfor.exe (Sideloading)

Acknowledgement: Wietze

Acknowledgement: Chris Spehn

References