465c1250-966d-4d32-b168-3b2c614e17f2

shim-0.7-0ubuntu4/shim64-bit.efi :inline

Description

This was provided by Canonical Ltd and revoked Apr-21

  • UUID: 465c1250-966d-4d32-b168-3b2c614e17f2
  • Created: 2023-05-22
  • Author: Michael Haag
  • Acknowledgement: |

Download

This download link contains the Revoked Bootloader!

Commands

bcdedit /copy "{current}" /d "TheBoots" | {% if ($_ -match '{\S+}') { bcdedit /set $matches[0] path \windows\temp\shim-0.7-0ubuntu4/shim64-bit.efi } }
Use CasePrivilegesOperating System
Persistence64-bit

Detections

YARA 🏹

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Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed bootloader files

Sigma 🛡️

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Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

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Block

on hashes

Alert

on hashes

Resources


  • https://uefi.org/revocationlistfile
  • https://support.microsoft.com/en-gb/topic/microsoft-guidance-for-applying-secure-boot-dbx-update-kb4575994-e3b9e4cb-a330-b3ba-a602-15083965d9ca

    • CVE

  • CVE-2020-14372
  • CVE-2020-25632
  • CVE-2020-25647
  • CVE-2020-27749
  • CVE-2020-27779
  • CVE-2021-3418
  • CVE-2021-20225
  • CVE-2021-20233

    • Known Vulnerable Samples

    PropertyValue
    Filenameshim-0.7-0ubuntu4/shim64-bit.efi
    MD51bdc36814a6f20464e94616f0d98a521
    SHA1093660339cf8e3fc1d8a80855e4f3a72e9a92f30
    SHA25617864e719e9c61d84e29a3cedf2b63aeaecfc10867211efc3077dd216b0a4965
    Authentihash MD52f0397316df4c2f34530fa28716256ae
    Authentihash SHA10c4ed758c59239c84740373a3a1da56d5d4b400b
    Authentihash SHA256dd8f3f048db46f3983348d35cd77d121f56d856cf33234857073e25a7f450b2c
    RichPEHeaderHash MD5ffdf660eb1ebf020a1d0a55a90712dfb
    RichPEHeaderHash SHA13e905e3d061d0d59de61fcf39c994fcb0ec1bab3
    RichPEHeaderHash SHA2562b3f99a94b7a7132854be769e27b331419c53989ef42f686d6f5ba09ddefefd6

    Imports

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    Imports

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    ImportedFunctions

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    ExportedFunctions

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    Signature

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    source

    last_updated: 2023-08-31