Sigma rule: Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-005d57a1b219, updated 2023-11-03T00:00:00.000Z.

Rule

Title
Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback
Status
test
Level
medium
Author
X__Junior (Nextron Systems)
Date
2023-11-03
File
rules/windows/registry/registry_event/registry_set_enable_anonymous_connection.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects enabling of the "AllowAnonymousCallback" registry value, which allows a remote connection between computers that do not have a trust relationship.

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|contains: '\Microsoft\WBEM\CIMOM\AllowAnonymousCallback'
    Details: 'DWORD (0x00000001)'
condition: selection

False positives (as the rule lists them)

  • Administrative activity

Tags

  • attack.defense-impairment
  • attack.t1685

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_event/registry_set_enable_anonymous_connection.yml

Sources and licences

  • SigmaHQ

    "Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback" by X__Junior (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_event/registry_set_enable_anonymous_connection.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: Enable Remote Connection Between Anonymous Computer - AllowAnonymousCallback",
entity page, dataset version ref-005d57a1b219, updated 2023-11-03T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4d431012-2ab5-4db7-a84e-b29809da2172 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4d431012-2ab5-4db7-a84e-b29809da2172, 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.