Sigma rule: Dumping ntds.dit remotely via NetSync

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-14ff3e44c416, updated 2019-11-01T00:00:00.000Z.

Rule

Title
Dumping ntds.dit remotely via NetSync
Status
unsupported
Level
medium
Author
Teymur Kheirkhabarov, oscd.community
Date
2019/11/01
File
unsupported/windows/win_dumping_ntdsdit_via_netsync.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

ntds.dit retrieving (only computer accounts) using synchronisation with legit domain controller using Netlogon Remote Protocol

Log source

product
windows
service
security

Detection

selection1:
    EventID: 4624
    ComputerName: '%DomainControllersNamesList%'
selection2:
    IpAddress: '%DomainControllersIpsList%'
selection3:
    EventID: 5145
    ComputerName: '%DomainControllersNamesList%'
    ShareName|contains: '\IPC$'
    SubjectLogonId: '%SuspiciousTargetLogonIdList%'
    RelativeTargetName: 'netlogon'
condition: write TargetLogonId from selection1 (if not selection2) to list %SuspiciousTargetLogonIdList%; then if selection3 -> alert

False positives (as the rule lists them)

  • Legitimate administrator adding new domain controller to already existing domain

Tags

  • attack.credential_access
  • attack.t1003

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_dumping_ntdsdit_via_netsync.yml

Sources and licences

  • SigmaHQ

    "Dumping ntds.dit remotely via NetSync" by Teymur Kheirkhabarov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_dumping_ntdsdit_via_netsync.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: Dumping ntds.dit remotely via NetSync",
entity page, dataset version ref-14ff3e44c416, updated 2019-11-01T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/757b2a11-73e7-411a-bd46-141d906e0167 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 757b2a11-73e7-411a-bd46-141d906e0167, 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.