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Cisco Umbrella - Windows PowerShell User-Agent Detected
An inconsistency was detected in the sources: variants or an invalid file. Check the files and commit shown below.
Description
'Rule helps to detect Powershell user-agent activity by an unusual process other than a web browser.'
- Rule type
- Scheduled
- Version
- 1.1.2
- Query frequency
- 15m
- Query period
- 15m
- Trigger
- gt 0
Declared MITRE coverage
Declared sources
Metadata from the source file. No dependencies inferred from KQL.
Connectors
Data types
KQL query
Original query, unchanged.
let timeframe = 15m;
Cisco_Umbrella
| where EventType == "proxylogs"
| where TimeGenerated > ago(timeframe)
| where HttpUserAgentOriginal contains "WindowsPowerShell"
| extend Message = "Windows PowerShell User Agent"
| project Message, SrcIpAddr, DstIpAddr, UrlOriginal, TimeGenerated,HttpUserAgentOriginal
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
b12b3dab-d973-45af-b07e-e29bb34d8db9
Additional source files 1
Detections/CiscoUmbrella/CiscoUmbrellaPowershellUserAgentDetected.yamlsource ↗GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC