1200KM / sigma-rule
Suspicious Windows ANONYMOUS LOGON Local Account Created — Sigma Rule
Sigma rule 1bbf25b9-8038-4154-a50b-118f2a32be27. Suspicious Windows ANONYMOUS LOGON Local Account Created — Sigma Rule. 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.
Rule metadata and linked tags
Author: James Pemberton / @4A616D6573. Source status: test; severity: high. Source dates: 2019-10-31 / 2022-10-09.
{
"product": "windows",
"service": "security"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 0fa7466e4a173159464746d4720a958024b15a7507514391d7c45a764d6e14c0
Detection logic
Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.
title: Suspicious Windows ANONYMOUS LOGON Local Account Created
id: 1bbf25b9-8038-4154-a50b-118f2a32be27
status: test
description: 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.
references:
- https://twitter.com/SBousseaden/status/1189469425482829824
author: James Pemberton / @4A616D6573
date: 2019-10-31
modified: 2022-10-09
tags:
- attack.persistence
- attack.t1136.001
- attack.t1136.002
logsource:
product: windows
service: security
detection:
selection:
EventID: 4720
SamAccountName|contains|all:
- 'ANONYMOUS'
- 'LOGON'
condition: selection
falsepositives:
- Unknown
level: high
False positives
- Unknown
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.