404f6db5-6be8-44a9-9898-badd56f96721

c.sys

We were not able to verify the hash of this driver successfully, it has not been confirmed.

Description

c.sys is a vulnerable driver and more information will be added as found.

  • UUID: 404f6db5-6be8-44a9-9898-badd56f96721
  • Created: 2023-01-09
  • Author: Michael Haag
  • Acknowledgement: |

Commands

sc.exe create c.sys binPath=C:\windows\temp\c.sys type=kernel && sc.exe start c.sys
Use CasePrivilegesOperating System
Elevate privilegeskernelWindows 10

Detections

YARA 🏹

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Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed driver files

Sigma 🛡️

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Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

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Block

on hashes

Alert

on hashes

Resources


  • https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-driver-block-rules
  • https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-driver-block-rules

    • Known Vulnerable Samples

    PropertyValue
    Filenamec.sys
    Creation Timestamp
    MD5
    SHA1
    SHA256cc383ad11e9d06047a1558ed343f389492da3ac2b84b71462aee502a2fa616c8

    Imports

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    Imported Functions

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    Exported Functions

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    Sections

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    Signature

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    source

    last_updated: 2024-04-09