Sigma rule: Enumeration via the Global Catalog

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7f676b9c3712, updated 2023-02-24T00:00:00.000Z.

Rule

Title
Enumeration via the Global Catalog
Status
unsupported
Level
medium
Author
Chakib Gzenayi (@Chak092), Hosni Mribah
Date
2020/05/11
Modified
2023/02/24
File
unsupported/windows/win_security_global_catalog_enumeration.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects enumeration of the global catalog (that can be performed using BloodHound or others AD reconnaissance tools). Adjust Threshold according to domain width.

Log source

product
windows
service
security
definition
The advanced audit policy setting "Windows Filtering Platform > Filtering Platform Connection" must be configured for Success

Detection

selection:
    EventID: 5156
    DestPort:
        - 3268
        - 3269
timeframe: 1h
condition: selection | count() by SourceAddress > 2000

False positives (as the rule lists them)

  • Exclude known DCs.

Tags

  • attack.discovery
  • attack.t1087.002

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/unsupported/windows/win_security_global_catalog_enumeration.yml

Sources and licences

  • SigmaHQ

    "Enumeration via the Global Catalog" by Chakib Gzenayi (@Chak092), Hosni Mribah (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_security_global_catalog_enumeration.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: Enumeration via the Global Catalog",
entity page, dataset version ref-7f676b9c3712, updated 2023-02-24T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/619b020f-0fd7-4f23-87db-3f51ef837a34 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 619b020f-0fd7-4f23-87db-3f51ef837a34, 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.