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MediumElastic detection rulesAustin Songer

Azure VNet Full Network Packet Capture Enabled

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…

Description

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.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

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Detection requirements

Platform
IaaSLinuxmacOSNetwork DevicesWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
event_index

Known benign triggers

  • 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.

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