DHCP Server Error Failed Loading the CallOut DLL — Sigma Rule

Rule metadata and linked tags

Author: Dimitrios Slamaris, @atc_project (fix). Source status: test; severity: high. Source dates: 2017-05-15 / 2022-12-25.

{
  "product": "windows",
  "service": "system"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 76ad6f537c54f771ce61cfa2d8b04d9ae0b30dc79d7c1b1461542f33e1272b16

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: DHCP Server Error Failed Loading the CallOut DLL
id: 75edd3fd-7146-48e5-9848-3013d7f0282c
status: test
description: This rule detects a DHCP server error in which a specified Callout DLL (in registry) could not be loaded
references:
    - https://blog.3or.de/mimilib-dhcp-server-callout-dll-injection.html
    - https://technet.microsoft.com/en-us/library/cc726884(v=ws.10).aspx
    - https://msdn.microsoft.com/de-de/library/windows/desktop/aa363389(v=vs.85).aspx
author: 'Dimitrios Slamaris, @atc_project (fix)'
date: 2017-05-15
modified: 2022-12-25
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    product: windows
    service: system
detection:
    selection:
        EventID:
            - 1031
            - 1032
            - 1034
        Provider_Name: Microsoft-Windows-DHCP-Server
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://blog.3or.de/mimilib-dhcp-server-callout-dll-injection.html
• https://technet.microsoft.com/en-us/library/cc726884(v=ws.10).aspx
• https://msdn.microsoft.com/de-de/library/windows/desktop/aa363389(v=vs.85).aspx