win:system 104
Event Log was Cleared
- Log source
- Windows System event log
- Host type
- Windows (workstation, member server, domain controller)
- Tier, host type
- Recommended
- Techniques
- 0
- Rules depending on it
- Splunk 1, Sigma 2
Why this tier
NSA
By role
| Role | Tier | Basis |
|---|---|---|
| Windows workstation | Recommended | NSA |
| Windows member server | Recommended | NSA |
| Windows domain controller | Recommended | NSA |
| Windows web server (IIS), internet-facing | Recommended | NSA |
Techniques it helps detect
No ATT&CK analytic names this event. Its standing comes from the standards and rules below.
Rules that depend on it
Splunk 1
Sigma 2
- Eventlog Cleared by Florian Roth (Nextron Systems)
- Important Windows Eventlog Cleared by Florian Roth (Nextron Systems), Tim Shelton, Nasreddine Bencherchali (Nextron Systems)
Standards and guidance naming it
| Requirement | Relation | Basis |
|---|---|---|
| NSA: Recommended Windows events to forwardEvent Forwarding Guidance (RecommendedEvents.csv) | Names this event | Clearing Event Logs: Event Log was Cleared |