Sigma rule: DHCP Callout DLL Installation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-4fc7f3d376f2, updated 2023-08-17T00:00:00.000Z.

Rule

Title
DHCP Callout DLL Installation
Status
test
Level
high
Author
Dimitrios Slamaris
Date
2017-05-15
Modified
2023-08-17
File
rules/windows/registry/registry_set/registry_set_dhcp_calloutdll.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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)

Log source

product
windows
category
registry_set

Detection

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

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.persistence
  • attack.execution
  • attack.stealth
  • attack.defense-impairment
  • attack.t1574.001
  • attack.t1112

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_dhcp_calloutdll.yml

Sources and licences

  • SigmaHQ

    "DHCP Callout DLL Installation" by Dimitrios Slamaris (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_dhcp_calloutdll.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: DHCP Callout DLL Installation",
entity page, dataset version ref-4fc7f3d376f2, updated 2023-08-17T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/9d3436ef-9476-4c43-acca-90ce06bdf33a (accessed 2026-11-03).
Underlying source: SigmaHQ rule 9d3436ef-9476-4c43-acca-90ce06bdf33a, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.