4f2db5df-2730-4e9e-aa70-51029d2540d1

4f2db5df-2730-4e9e-aa70-51029d2540d1 :inline

Description

This was provided by Intel Corporation and revoked Jul-20

  • UUID: 4f2db5df-2730-4e9e-aa70-51029d2540d1
  • 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\ } }
Use CasePrivilegesOperating System
Persistence64-bit

Detections

YARA 🏹

Expand

Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed bootloader files

Sigma 🛡️

Expand

Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

Expand

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-2020-10713
  • CVE-2020-14308
  • CVE-2020-14309
  • CVE-2020-14310
  • CVE-2020-14311
  • CVE-2020-15705
  • CVE-2020-15706
  • CVE-2020-15707

    • Known Vulnerable Samples

    PropertyValue
    Filename
    MD5
    SHA1
    SHA25655A3628537C4FBDA0FA7D27001EB2DFCDC515D8A48649715A31E1D0065A7DA35
    Authentihash MD5
    Authentihash SHA1
    Authentihash SHA2562DCF8E8D817023D1E8E1451A3D68D6EC30D9BED94CBCB87F19DDC1CC0116AC1A

    Imports

    Expand

    Imports

    Expand

    ImportedFunctions

    Expand

    ExportedFunctions

    Expand

    Signature

    Expand

    source

    last_updated: 2023-08-31