AD_NTLMv1NonAnonymous
ID: 100353
Description:
NTLMv1 Authentication for a non-anonymous has been seen
Repository: Group: WinlogBeat Type: event
Default Status:
Disabled
| Tags: | |
|---|---|
| ntlm | ntlmv1 |
Selector:
Query:
Filters:
| Field | MUST hit |
|---|---|
| winlog.event_data.LmPackageName | NTLM V1 |
| Field | MUST NOT hit |
|---|---|
| winlog.event_data.TargetUserName | ANONYMOUS LOGON |
Behavior Rule:
| Key | Type | Behavior Category |
|---|---|---|
| winlog.computer_name | asset | account login |
Risks:
| Risks | Base Score | Dimension |
|---|---|---|
Attributes:
| Alias | Key |
|---|---|
| TargetUserName | winlog.event_data.TargetUserName |
| Hostname | winlog.computer_name |
Correlation Rules:
First Occurrence:
| Name | Window | Fields | ||
|---|---|---|---|---|
| NTLMv1NonAnonymousLogin | 10 days | winlog.event_data.TargetUserName | winlog.computer_name | |
| Risks: | ALERT_POLICY | ML_NEW_USER | ALERT_HIGH_CONFIDENCE | |
History:
| User | Date | | :— | :— | | — | — |
This page was automatically created/formatted on Wed, 2022 May 4 21:43:53 EDT, from rule_dump.json (4d88bffdfb1cea26b3985f2193033606)