1200KM / sigma-rule
Outgoing Logon with New Credentials — Sigma Rule
Sigma rule def8b624-e08f-4ae1-8612-1ba21190da6b. Outgoing Logon with New Credentials — Sigma Rule. Detects logon events that specify new credentials
Rule metadata and linked tags
Author: Max Altgelt (Nextron Systems). Source status: test; severity: low. Source dates: 2022-04-06 / not supplied.
{
"product": "windows",
"service": "security"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: 2c4a331dcbd8b1079a277d9bf86dcffc4def1c536baa99cdc2d0eaa77465e9a0
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: Outgoing Logon with New Credentials
id: def8b624-e08f-4ae1-8612-1ba21190da6b
status: test
description: Detects logon events that specify new credentials
references:
- https://go.recordedfuture.com/hubfs/reports/mtp-2021-0914.pdf
author: Max Altgelt (Nextron Systems)
date: 2022-04-06
tags:
- attack.lateral-movement
- attack.t1550
logsource:
product: windows
service: security
detection:
selection:
EventID: 4624
LogonType: 9
condition: selection
falsepositives:
- Legitimate remote administration activity
level: low
False positives
- Legitimate remote administration activity
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.