Webshell Detection

Web shells are scripts that allow remote administration when uploaded to a web server. This query can detect web shells using GET requests by searching for keywords in URL strings.

Detection logic

Detection requirements

Platform: ESXi Linux macOS Network Devices Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: azuremonitor_iis
Log source service: w3ciislog

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Detection rules

Webshell Detection

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules