windows community v1.0.0

msasn1.dll

msasn1.dll — Sideloading hijacking (Microsoft)

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msasn1.dll
msasn1.dll

Sandbox: execFile · Timeout: 30s

Capabilities

security.defenseevasion.dll-hijack

Documentation

examples:

  • description: "Place malicious msasn1.dll in the search order location" command: "copy malicious.dll "%SYSTEM32%\msasn1.dll""
  • description: "Execute the vulnerable binary to trigger the hijack" command: ""winbox64.exe""

msasn1.dll

Vendor: Microsoft

Expected Location: %SYSTEM32%

Vulnerable Executables:

  • winbox64.exe (Sideloading)
  • winbox.exe (Sideloading)

Acknowledgement: ice-wzl

References