1a268d88-47d0-4204-ade4-ed6e4ef6028e

bootia32.efi :inline

This was provided by Microsoft and revoked May-23

  • UUID: 1a268d88-47d0-4204-ade4-ed6e4ef6028e
  • Created: 2023-05-22
  • Author: Michael Haag
  • Acknowledgement: |

Download

This download link contains the Revoked Bootloader!

          1
          bcdedit /copy "{current}" /d "TheBoots" | {% if ($_ -match '{\S+}') { bcdedit /set $matches[0] path \windows\temp\bootia32.efi } }
not set
Use CasePrivilegesOperating System
Persistence32-bit

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

  • 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

  • Black Lotus Microsoft Windows 10 version 1507
    • PropertyValue
    Filenamebootia32.efi
    MD5
    SHA1
    SHA256B510C9A79CB6CE1BC37912839AF57B453CC4A77C3D5DCC9935F8CCFF7C81F9FE
    Authentihash MD5
    Authentihash SHA1
    Authentihash SHA256D79651AA3A0491D33B7979F5B41936F8ACEFBA99BBA10E05FD6F54E2859CC589
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    source

    last_updated: 2023-08-31