Azure Full Network Packet Capture Detectededit
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
Rule indices:
- filebeat-*
- logs-azure*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-25m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Cloud
- Data Source: Azure
- Tactic: Credential Access
Version: 103
Rule authors:
- Austin Songer
Rule license: Elastic License v2
Investigation guideedit
Setupedit
The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule queryedit
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)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: Network Sniffing
- ID: T1040
- Reference URL: https://attack.mitre.org/techniques/T1040/