IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Azure Full Network Packet Capture Detected
editAzure Full Network Packet Capture Detected
editIdentifies 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:
- Elastic
- Cloud
- Azure
- Continuous Monitoring
- SecOps
- Monitoring
Version: 1
Rule authors:
- Austin Songer
Rule license: Elastic License v2
Investigation guide
edit## Config The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule query
editevent.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/