Account Password Reset Remotely

Identifies an attempt to reset a potentially privileged account password remotely. Adversaries may manipulate account passwords to maintain access or evade password duration policies and preserve compromised credentials.

Rule type: eql

Rule indices:

winlogbeat-*
logs-system.*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Host
Windows
Threat Detection
Persistence

Version: 6

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

sequence by host.id with maxspan=5m
  [authentication where event.action == "logged-in" and
    /* event 4624 need to be logged */
    winlog.logon.type : "Network" and event.outcome == "success" and source.ip != null and
    source.ip != "127.0.0.1" and source.ip != "::1"] by winlog.event_data.TargetLogonId
   /* event 4724 need to be logged */
  [iam where event.action == "reset-password" and
   (
    /*
       This rule is very noisy if not scoped to privileged accounts, duplicate the
       rule and add your own naming convention and accounts of interest here.
     */
    winlog.event_data.TargetUserName: ("*Admin*", "*super*", "*SVC*", "*DC0*", "*service*", "*DMZ*", "*ADM*") or
    winlog.event_data.TargetSid : "S-1-5-21-*-500"
    )
  ] by winlog.event_data.SubjectLogonId

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Account Manipulation
- ID: T1098
- Reference URL: https://attack.mitre.org/techniques/T1098/

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