windows community v1.0.0

bcd.dll

bcd.dll — Sideloading hijacking (Microsoft)

📋 Live Preview
bcd.dll
bcd.dll

Sandbox: execFile · Timeout: 30s

Capabilities

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

Documentation

examples:

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

bcd.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • %SYSTEM32%\bootim.exe (Sideloading)
  • %SYSTEM32%\cidiag.exe (Sideloading)
  • %SYSTEM32%\genvalobj.exe (Sideloading)
  • %SYSTEM32%\mdsched.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\msconfig.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\recdisc.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\recoverydrive.exe (Sideloading)
  • %SYSTEM32%\resetengine.exe (Sideloading)
  • %SYSTEM32%\rstrui.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\sdclt.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\srtasks.exe (Sideloading)
  • %SYSTEM32%\systempropertiesadvanced.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systempropertiescomputername.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systempropertiesdataexecutionprevention.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systempropertieshardware.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systempropertiesprotection.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systempropertiesremote.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\systemreset.exe (Sideloading) [AutoElevate]
  • %SYSTEM32%\vds.exe (Sideloading)
  • %SYSTEM32%\vdsldr.exe (Sideloading)
  • %SYSTEM32%\vssvc.exe (Sideloading)
  • %SYSTEM32%\wbengine.exe (Sideloading)

Acknowledgement: Wietze

Acknowledgement: Chris Spehn

References