AD_Logon_Failed_Locked_Account
ID: 100170
Description:
A user’s logon attempt failed on an account that was subsequently locked or was already locked out.
Windows EventID 4625 indicates a failed login. There is a sub-status (0xC0000234) that can indicate the reason for the failed login.
Notes: Status - 0xc0000234 and 0xC0000234 (Capital ‘C’)
Ref: https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4625
Repository: Fluency Group: AD Type: event
Default Status:
Enabled
| Tags: |
|---|
| AD |
Selector:
Query:
Filters:
| Field | MUST hit |
|---|---|
| @fields.EventID | 4625 |
| @fields.Status | 0xc0000234 |
| 0xC0000234 | |
| @fields.TargetUserName | exist (boolean) |
| Field | MUST NOT hit |
|---|---|
Behavior Rule:
| Key | Type | Behavior Category |
|---|---|---|
| @fields.TargetUserName | username | account login |
Risks:
| Risks | Base Score | Dimension |
|---|---|---|
| ALERT_NORMAL | 100 | alert |
Attributes:
| Alias | Key |
|---|---|
| TargetUserName | @fields.TargetUserName |
| TargetDomainName | @fields.TargetDomainName |
| SubjectUserSid | @fields.SubjectUserSid |
| SubjectUserName | @fields.SubjectUserName |
| SubjectDomainName | @fields.SubjectDomainName |
| SubjectLogonId | @fields.SubjectLogonId |
| LogonType | @fields.LogonType |
| WorkstationName | @fields.WorkstationName |
| IpAddress | @fields.IpAddress |
Correlation Rules:
First Occurrence:
| Name | Window | Fields |
|---|---|---|
| NewUser | 10 days | @fields.TargetUserName |
| Risks: | ML_NEW_USER |
Aggregation:
| Name | Window | Field | AggType | Match |
|---|---|---|---|---|
| MultipleFails | 1 hour | count | gt 10 | |
| Risks: | ALERT_POLICY |
History:
| User | Date |
|---|---|
| em*n@fluencysecurity.com | 2021 Jan 28 01:03:44 EST |
| ho*d@fluencysecurity.com | 2021 May 28 11:24:20 EDT |
| ho*d@fluencysecurity.com | 2021 Oct 11 00:11:10 EDT |
This page was automatically created/formatted on Wed, 2022 May 4 21:43:53 EDT, from rule_dump.json (4d88bffdfb1cea26b3985f2193033606)