windows verified critical v1.0.0

windbg.sys

Kernel driver seen in a recent CopperStealer campaign.

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

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Detection

TypeRule / Indicator
yara https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/e1cb86386757b947b39086cc8639da988f6e8018ca9995dd669bdc03c8d39d7d.yara
yara https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/fa9abb3e7e06f857be191a1e049dd37642ec41fb2520c105df2227fcac3de5d5.yara
yara https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/06c5ebd0371342d18bc81a96f5e5ce28de64101e3c2fd0161d0b54d8368d2f1f.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_mal_drivers_strict.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 windbg.sys binPath=C:\\windows\\temp\\windbg.sys type=kernel && sc.exe start windbg.sys"
  • description: "Exploit the driver for privilege escalation" command: "Exploit.exe --driver windbg.sys"

windbg.sys

Kernel driver seen in a recent CopperStealer campaign.

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

Variants: 2 known variants

References