Identifies potential full network packet capture in Azure. Packet Capture is an Azure Network Watcher feature that can be used to inspect network traffic. This feature can potentially be abused to read sensitive data from unencrypted internal traffic.
Rule type: query
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Continuous Monitoring
Added (Elastic Stack release): 7.16.0
Rule authors: Austin Songer
Rule license: Elastic License v2
Full Network Packet Capture may be done by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Full Network Packet Capture from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
## Config The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.dataset:azure.activitylogs and azure.activitylogs.operation_name: ( "MICROSOFT.NETWORK/*/STARTPACKETCAPTURE/ACTION" or "MICROSOFT.NETWORK/*/VPNCONNECTIONS/STARTPACKETCAPTURE/ACTION" or "MICROSOFT.NETWORK/*/PACKETCAPTURES/WRITE" ) and event.outcome:(Success or success)