windows verified high v1.0.0

NCHGBIOS2x64.SYS

Elevate privileges

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sc.exe create NCHGBIOS2x64.SYS binPath=C:\windows\temp\NCHGBIOS2x64.SYS     type=kernel && sc.exe start NCHGBIOS2x64.SYS
sc.exe create NCHGBIOS2x64.SYS binPath=C:\windows\temp\NCHGBIOS2x64.SYS     type=kernel && sc.exe start NCHGBIOS2x64.SYS

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Detection

TypeRule / Indicator
yara https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/314384b40626800b1cde6fbc51ebc7d13e91398be2688c2a58354aa08d00b073.yara
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
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 NCHGBIOS2x64.SYS binPath=C:\\windows\\temp\\NCHGBIOS2x64.SYS type=kernel && sc.exe start NCHGBIOS2x64.SYS"
  • description: "Exploit the driver for privilege escalation" command: "Exploit.exe --driver NCHGBIOS2x64.SYS"

NCHGBIOS2x64.SYS

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

References