title: DHCP Server Error Failed Loading the CallOut DLL
description: This rule detects a DHCP server error in which a specified Callout DLL (in registry) could not be loaded
status: experimental
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
date: 2017/05/15
modified: 2019/07/17
tags:
    - attack.defense_evasion
    - attack.t1073
author: "Dimitrios Slamaris, @atc_project (fix)"
logsource:
    product: windows
    service: system
detection:
    selection:
        EventID: 
            - 1031
            - 1032
            - 1034
        Source: Microsoft-Windows-DHCP-Server            
    condition: selection
falsepositives: 
    - Unknown
level: critical