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Detection rules › Sigma

User Logoff Event

Status
test
Severity
informational
Log source
product windows, service security
Author
frack113
Source
github.com/SigmaHQ/sigma

Detects a user log-off activity. Could be used for example to correlate information during forensic investigations

MITRE ATT&CK coverage

TacticTechniques
ImpactT1531 Account Access Removal

Event coverage

ProviderEventTitle
Security-AuditingEvent ID 4634An account was logged off.
Security-AuditingEvent ID 4647User initiated logoff.

Rule body yaml

title: User Logoff Event
id: 0badd08f-c6a3-4630-90d3-6875cca440be
status: test
description: Detects a user log-off activity. Could be used for example to correlate information during forensic investigations
references:
    - https://github.com/Yamato-Security/EnableWindowsLogSettings/blob/7f6d755d45ac7cc9fc35b0cbf498e6aa4ef19def/ConfiguringSecurityLogAuditPolicies.md
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4634
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4647
author: frack113
date: 2022-10-14
tags:
    - attack.impact
    - attack.t1531
logsource:
    service: security
    product: windows
detection:
    selection:
        EventID:
            - 4634
            - 4647
    condition: selection
falsepositives:
    - Unknown
level: informational

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID:
        - 4634
        - 4647