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 author: Dimitrios Slamaris logsource: product: windows service: system detection: selection: EventID: - 1031 - 1032 - 1034 condition: selection falsepositives: - Unknown level: critical