Uncommon File Creation By Mysql Daemon Process

title: Uncommon File Creation By Mysql Daemon Process
id: c61daa90-3c1e-4f18-af62-8f288b5c9aaf
status: test
description: |
    Detects the creation of files with scripting or executable extensions by Mysql daemon.
    Which could be an indicator of "User Defined Functions" abuse to download malware.
references:
    - https://asec.ahnlab.com/en/58878/
    - https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/honeypot-recon-mysql-malware-infection-via-user-defined-functions-udf/
author: Joseph Kamau
date: 2024-05-27
tags:
    - attack.stealth
logsource:
    product: windows
    category: file_event
detection:
    selection:
        Image|endswith:
            - \mysqld.exe
            - \mysqld-nt.exe
        TargetFilename|endswith:
            - '.bat'
            - '.dat'
            - '.dll'
            - '.exe'
            - '.ps1'
            - '.psm1'
            - '.vbe'
            - '.vbs'
    condition: selection
falsepositives:
    - Unknown
level: high