sigmahighHunting

DHCP Callout DLL Installation

Detects the installation of a Callout DLL via CalloutDlls and CalloutEnabled parameter in Registry, which can be used to execute code in context of the DHCP server (restart required)

MITRE ATT&CK

T1574.001 T1112

privilege-escalationpersistencedefense-evasion

Detection Query

selection:
  TargetObject|endswith:
    - \Services\DHCPServer\Parameters\CalloutDlls
    - \Services\DHCPServer\Parameters\CalloutEnabled
condition: selection

Author

Dimitrios Slamaris

Created

2017-05-15

Data Sources

windowsRegistry Set Events

Platforms

windows

References

Tags

attack.privilege-escalationattack.persistenceattack.defense-evasionattack.t1574.001attack.t1112

Raw Content

title: DHCP Callout DLL Installation
id: 9d3436ef-9476-4c43-acca-90ce06bdf33a
status: test
description: Detects the installation of a Callout DLL via CalloutDlls and CalloutEnabled parameter in Registry, which can be used to execute code in context of the DHCP server (restart required)
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
date: 2017-05-15
modified: 2023-08-17
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.defense-evasion
    - attack.t1574.001
    - attack.t1112
logsource:
    category: registry_set
    product: windows
detection:
    selection:
        TargetObject|endswith:
            - '\Services\DHCPServer\Parameters\CalloutDlls'
            - '\Services\DHCPServer\Parameters\CalloutEnabled'
    condition: selection
falsepositives:
    - Unknown
level: high