↳ GitHub sourceAnalytics ruleMedium
Multiple failed attempts of NetBackup login
Description
This rule generates an incident when there are more than 5 failed login attemts for a given host in the last 15 minutes.
- Rule type
- Scheduled
- Version
- 1.0.0
- Declared status
- Available
- Query frequency
- 15m
- Query period
- 15m
- Trigger
- gt 0
Declared MITRE coverage
KQL query
Original query, unchanged.
NetBackupAlerts_CL
| where operation_s contains "LOGIN" and Message contains "authentication failed"
| extend userName = split(userName_s, "@")[0]
| extend host = split(userName_s, "@")[1]
| summarize Total=count() by tostring(host)
| where Total >= 5Declared entities
Related content
Links established from declared identifiers and solution manifests.
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
d39f0c47-2e85-49b9-a686-388c2eb7062c
GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC