windows verified high v1.0.0

athpexnt.sys

AhnLab kernel driver exposing arbitrary physical memory read/write via IOCTL 0x81000000. Device accessible at \\.\ATHpEx. Signed by AhnLab Inc. with VeriSign certificate (first seen 2014). Zero detections (0/73) on VirusTotal but exploitable for privilege escalation by mapping attacker-controlled physical memory into kernel address space.

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

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Documentation

examples:

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

athpexnt.sys

AhnLab kernel driver exposing arbitrary physical memory read/write via IOCTL 0x81000000. Device accessible at \.\ATHpEx. Signed by AhnLab Inc. with VeriSign certificate (first seen 2014). Zero detections (0/73) on VirusTotal but exploitable for privilege escalation by mapping attacker-controlled physical memory into kernel address space.

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

References