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Cisco Umbrella - Crypto Miner User-Agent Detected

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Description

'Detects suspicious user agent strings used by crypto miners in proxy logs.'
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 "XMRig" or HttpUserAgentOriginal contains "ccminer"
| extend Message = "Crypto Miner User Agent"
| project Message, SrcIpAddr, DstIpAddr, UrlOriginal, TimeGenerated,HttpUserAgentOriginal

Declared entities

URLIP

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
b619d1f1-7f39-4c7e-bf9e-afbb46457997
Additional source files 1Detections/CiscoUmbrella/CiscoUmbrellaCryptoMinerUserAgentDetected.yamlsource ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.