Possible Outgoing Logon with New Credentials (via security)

This rule detects logon events that specify new credentials

SigmalowWindowsv1

sigma

possible-outgoing-logon-with-new-credentials-via-security

title: Possible Outgoing Logon with New Credentials (via security)
id: 31bd9828-6472-5c0c-8ed5-ec1ff356a424
status: stable
description: This rule detects logon events that specify new credentials
references:
    - https://attack.mitre.org/techniques/T1550/
    - https://go.recordedfuture.com/hubfs/reports/mtp-2021-0914.pdf
author: Huntrule Team
date: 2026-06-18
tags:
    - attack.lateral-movement
    - attack.t1550
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID: 4624
        LogonType: 9
    condition: selection
falsepositives:
    - Unknown
level: low

Known false positives

Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.