v1ckxy

GitHub · Repository owner · Source ID 43522971
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Source-scoped identity with 1 associated PoC and 1 linked vulnerability.

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GitHub

v1ckxy/Orchestrated-Powershell-for-CVE-2023-24932-en

Repository PoC0Created 2025-12-23ScannerCVE-2023-249323 files

32.5 KiB

GitHubPoC details
Analysisdeepseek-v4-pro:cloud ·

Technical assessment

A PowerShell script that automates the application of Microsoft's Secure Boot mitigation steps for CVE-2023-24932. It sets registry keys to trigger DB, Boot Manager, DBX, and SVN updates, orchestrates required reboots, and validates the updates by checking for specific Windows Event Log entries. It does not contain code to exploit the vulnerability.

Backdoor review

No backdoor observed in reviewed code

The reviewed evidence consists of a PowerShell script (CVE-2023-24932-automation.ps1) and its README.md. The script automates Microsoft's documented Secure Boot mitigation steps for CVE-2023-24932 by setting registry keys, scheduling reboots, and checking event logs. No backdoor, trojan, or deceptive behavior is observed. The script performs only the advertised administrative tasks and does not contain concealed executable payloads, credential theft, persistence mechanisms, or unrelated remote access.

ClassificationScanner
Model confidence95%
AuthenticationRequired
LanguagesPowerShell
Target softwareMicrosoft WindowsWindows Boot ManagerSecure Boot
Attack typesSecurity Feature Bypass
Evidence & reasoningClassification basis · observed behavior · safety review
Technical evidence

Classification basis and observed behavior

Classification basis

The script's primary operation is to apply Microsoft's official mitigation steps for CVE-2023-24932 by setting specific registry keys and then validating the success of these updates by checking the system state (Event Logs, Secure Boot variables). It does not contain any code to exploit the Secure Boot bypass vulnerability. The README describes it as an automation script for the mitigation guidance.

CVE-2023-24932-automation.ps1:1-17README.md:1-4

Requirements

  • Administrator privileges are required to run the script.CVE-2023-24932-automation.ps1:118-124
  • Secure Boot must be enabled on the system.CVE-2023-24932-automation.ps1:127-131

Observed behavior

  • Checks for administrator privileges and exits if not present.CVE-2023-24932-automation.ps1:118-124
  • Verifies that Secure Boot is enabled.CVE-2023-24932-automation.ps1:127-131
  • Sets the 'AvailableUpdates' registry value to 0x40 to trigger a DB update.CVE-2023-24932-automation.ps1:217-218
  • Sets the 'AvailableUpdates' registry value to 0x100 to trigger a Boot Manager update.CVE-2023-24932-automation.ps1:296-297
  • Sets the 'AvailableUpdates' registry value to 0x80 to trigger a DBX update.CVE-2023-24932-automation.ps1:481-482
  • Sets the 'AvailableUpdates' registry value to 0x200 to trigger an SVN update.CVE-2023-24932-automation.ps1:560-561
  • Checks the Windows System Event Log for event ID 1799 to confirm a successful Boot Manager update.CVE-2023-24932-automation.ps1:338
  • Checks the Windows System Event Log for event ID 1037 to confirm a successful DBX update.CVE-2023-24932-automation.ps1:531
  • Reads the Secure Boot 'db' variable to check for the presence of the 'Windows UEFI CA 2023' certificate.CVE-2023-24932-automation.ps1:275-277
  • Reads the Secure Boot 'dbx' variable to check for the presence of the 'Microsoft Windows Production PCA 2011' certificate.CVE-2023-24932-automation.ps1:599
Safety-review evidence

Behaviors behind the backdoor verdict

Observables

Registry Persistence
Payload withheldThe script registers itself in RunOnce to resume after reboot, which is necessary for the multi-step Secure Boot update process.CVE-2023-24932-automation.ps1:78-80
Registry Modification
Payload withheldThe script sets DWORD values 0x40, 0x100, 0x80, and 0x200 to trigger Secure Boot updates as per Microsoft guidance.CVE-2023-24932-automation.ps1:217-219CVE-2023-24932-automation.ps1:296-298CVE-2023-24932-automation.ps1:481-483CVE-2023-24932-automation.ps1:560-562
File Copy
Payload withheldCopies the updated boot manager to a local path for optional manual signature verification, consistent with the script's documented purpose.CVE-2023-24932-automation.ps1:392
Review boundaries

What the analysis did not establish

  • One file (LICENSE) was omitted from the evidence packet, but it is unlikely to contain exploit code.
  • The evidence packet reports 'complete_artifact_coverage: false' because the LICENSE file was not included, but all selected text files are complete.
  • One file (unclassified, 139 bytes) was omitted from the text evidence and not analyzed; its content is unknown.
  • Binary content was not inspected; the analysis is limited to the provided readable text files.
Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.