Detection rules › Sigma
Suspicious Windows ANONYMOUS LOGON Local Account Created
Detects the creation of suspicious accounts similar to ANONYMOUS LOGON, such as using additional spaces. Created as an covering detection for exclusion of Logon Type 3 from ANONYMOUS LOGON accounts.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1136.001 Create Account: Local Account, T1136.002 Create Account: Domain Account |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Security-Auditing | 4720 | A user account was created. |
Stages and Predicates
Stage 1: selection
SamAccountName|contains: ANONYMOUS
SamAccountName|contains: LOGON
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
SamAccountName | match |
|
Neighbors
Broader alternatives (more inclusive than this rule)
These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.
- Local User Creation (drops 2 filters this rule applies)