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Imperva - Malicious user agent

Description

'Detects requests containing known malicious user agent strings.'
Rule type
Scheduled
Version
1.0.1
Declared status
Available
Query frequency
10m
Query period
10m
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.

ImpervaWAFCloud
| where HttpUserAgentOriginal has_any ('Nikto', 'hydra', 'advanced email extractor', 'BFAC', 'brutus', 'cgichk', 'cisco-torch', 'scanner', 'datacha0s', 'dirbuster', 'grabber', 'havij', 'internet ninja', 'masscan', 'morfeus', 'mysqloit', 'n-stealth', 'nessus', 'netsparker', 'nmap nse', 'nmap scripting engine', 'nmap-nse', 'nsauditor', 'openvas', 'pangolin', 'qualys was', 'security scan', 'springenwerk', 'sql power injector', 'sqlmap', 'sqlninja', 'w3af.sf.net', 'w3af.sourceforge.net', 'w3af.org', 'webbandit', 'webinspect', 'webvulnscan', 'xmlrpc exploit', 'WPScan', 'XSpider', 'Webster', 'fantomCrew', 'fantomBrowser')
| summarize count() by SrcIpAddr, bin(TimeGenerated, 5m)
| extend IPCustomEntity = SrcIpAddr

Declared entities

IP

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
905794a9-bc46-42b9-974d-5a2dd58110c5
Additional source files 2Solutions/ImpervaCloudWAF/Analytic Rules/ImpervaMaliciousUA.yamlsource ↗Solutions/ImpervaCloudWAF/Data/Solution_ImpervaCloudWAF.jsonsolution-membership ↗
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.