Sigma rule: Possible Remote Password Change Through SAMR

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-e216ffcfb3c2, updated 2023-02-24T00:00:00.000Z.

Rule

Title
Possible Remote Password Change Through SAMR
Status
unsupported
Level
medium
Author
Dimitrios Slamaris
Date
2017/06/09
Modified
2023/02/24
File
unsupported/windows/win_security_susp_samr_pwset.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a possible remote NTLM hash change through SAMR API SamiChangePasswordUser() or SamSetInformationUser().
"Audit User Account Management" in "Advanced Audit Policy Configuration" has to be enabled in your local security policy / GPO to see this events.

Log source

product
windows
service
security

Detection

samrpipe:
    EventID: 5145
    RelativeTargetName: samr
passwordchanged:
    EventID: 4738
passwordchanged_filter:
    PasswordLastSet:
timeframe: 15s
condition: ( passwordchanged and not passwordchanged_filter ) | near samrpipe

Tags

  • attack.credential_access
  • attack.t1212

MITRE ATT&CK ids this rule names

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_susp_samr_pwset.yml

Sources and licences

  • SigmaHQ

    "Possible Remote Password Change Through SAMR" by Dimitrios Slamaris (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_security_susp_samr_pwset.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: Possible Remote Password Change Through SAMR",
entity page, dataset version ref-e216ffcfb3c2, updated 2023-02-24T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/7818b381-5eb1-4641-bea5-ef9e4cfb5951 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 7818b381-5eb1-4641-bea5-ef9e4cfb5951, 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.