windows verified critical v1.0.0

blacklotus_driver.sys

The first in-the-wild UEFI bootkit bypassing UEFI Secure Boot on fully updated UEFI systems is now a reality. Once the persistence is configured, the BlackLotus bootkit is executed on every system start. The bootkits goal is to deploy a kernel driver and a final user-mode component.

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sc.exe create blacklotus_driver.sys binPath=C:\windows\temp\blacklotus_driver.sys type=kernel && sc.exe start blacklotus_driver.sys
sc.exe create blacklotus_driver.sys binPath=C:\windows\temp\blacklotus_driver.sys type=kernel && sc.exe start blacklotus_driver.sys

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Documentation

examples:

  • description: "Load the kernel driver" command: "sc.exe create blacklotus_driver.sys binPath=C:\\windows\\temp\\blacklotus_driver.sys type=kernel && sc.exe start blacklotus_driver.sys"
  • description: "Exploit the driver for privilege escalation" command: "Exploit.exe --driver blacklotus_driver.sys"

blacklotus_driver.sys

The first in-the-wild UEFI bootkit bypassing UEFI Secure Boot on fully updated UEFI systems is now a reality. Once the persistence is configured, the BlackLotus bootkit is executed on every system start. The bootkits goal is to deploy a kernel driver and a final user-mode component.

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

References