Sigma rule: Potential Zerologon (CVE-2020-1472) Exploitation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-13a7ec4525db, updated 2023-12-15T00:00:00.000Z.

Rule

Title
Potential Zerologon (CVE-2020-1472) Exploitation
Status
test
Level
high
Author
Aleksandr Akhremchik, @aleqs4ndr, ocsd.community
Date
2020-10-15
Modified
2023-12-15
File
rules-placeholder/windows/builtin/security/win_security_exploit_cve_2020_1472.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potential Netlogon Elevation of Privilege Vulnerability aka Zerologon (CVE-2020-1472)

Log source

product
windows
service
security

Detection

selection:
    EventID: 4742
    SubjectUserName: 'ANONYMOUS LOGON'
    TargetUserName|expand: '%DC-MACHINE-NAME%' # DC machine account name that ends with '$'
filter_main:
    PasswordLastSet: '-'
condition: selection and not filter_main

False positives (as the rule lists them)

  • Automatic DC computer account password change
  • Legitimate DC computer account password change

Tags

  • attack.privilege-escalation
  • attack.t1068
  • cve.2020-1472

CVEs this rule names

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-placeholder/windows/builtin/security/win_security_exploit_cve_2020_1472.yml

Sources and licences

  • SigmaHQ

    "Potential Zerologon (CVE-2020-1472) Exploitation" by Aleksandr Akhremchik, @aleqs4ndr, ocsd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-placeholder/windows/builtin/security/win_security_exploit_cve_2020_1472.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: Potential Zerologon (CVE-2020-1472) Exploitation",
entity page, dataset version ref-13a7ec4525db, updated 2023-12-15T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/dd7876d8-0f09-11eb-adc1-0242ac120002 (accessed 2026-11-03).
Underlying source: SigmaHQ rule dd7876d8-0f09-11eb-adc1-0242ac120002, 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.