↳ GitHub sourceAnalytics ruleHigh
CTERA Mass Deletions Detection Analytic
Description
This analytic rule detects and alerts when large amount of deletion operations generated by the CTERA Edge Filer
- Rule type
- Scheduled
- Version
- 1.0.0
- Declared status
- Available
- Query frequency
- 5m
- Query period
- 5m
- Trigger
- GreaterThan 5000
Declared MITRE coverage
Declared sources
Metadata from the source file. No dependencies inferred from KQL.
Connectors
Data types
KQL query
Original query, unchanged.
Syslog
| where ProcessName == 'gw-audit'
| extend
TenantName = extract("\"vportal\":\"([^\"]*)\"", 1, SyslogMessage),
UserName = extract("user=([^|]*)", 1, SyslogMessage),
Permission = extract("op=([^|]*)", 1, SyslogMessage),
EdgeFiler = extract("\"client\":\"([^\"]*)\"", 1, SyslogMessage),
RootPath = extract("rootPath=([^|]*)", 1, SyslogMessage),
Share = extract("share=([^|]*)", 1, SyslogMessage),
LocalPath = extract("path=([^|]*)", 1, SyslogMessage),
Timestamp = todatetime(extract("\"@timestamp\":\"([^\"]*)\"", 1, SyslogMessage))
| where Permission == 'delete'
| summarize Count = count() by UserName, bin(Timestamp, 5m)
| where Count > 5000
Declared 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
5365f294-0c67-432a-bacf-b1282a3b6c46
GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC