windows verified high v1.0.0

ngiodriver.sys

The Carbon Black Threat Analysis Unit (TAU) discovered 34 unique vulnerable drivers (237 file hashes) accepting firmware access. Six allow kernel memory access. All give full control of the devices to non-admin users. By exploiting the vulnerable drivers, an attacker without the system privilege may erase/alter firmware, and/or elevate privileges. As of the time of writing in October 2023, the filenames of the vulnerable drivers have not been made public until now.

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

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Detection

TypeRule / Indicator
yara https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/yara-rules_vuln_drivers_strict_renamed.yar
sigma https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sigma/driver_load_win_vuln_drivers.yml
sigma https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sigma/driver_load_win_vuln_drivers_names.yml
sysmon https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sysmon/sysmon_config_vulnerable_hashes.xml
sysmon https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sysmon/sysmon_config_vulnerable_hashes_block.xml

Documentation

examples:

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

ngiodriver.sys

The Carbon Black Threat Analysis Unit (TAU) discovered 34 unique vulnerable drivers (237 file hashes) accepting firmware access. Six allow kernel memory access. All give full control of the devices to non-admin users. By exploiting the vulnerable drivers, an attacker without the system privilege may erase/alter firmware, and/or elevate privileges. As of the time of writing in October 2023, the filenames of the vulnerable drivers have not been made public until now.

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

References