Classification:

attack

Tactic:

TA0005-defense-evasion

Technique:

T1562-impair-defenses

VIEW RULE IN DATADOG VIEW SIGNALS

Set up the azure integration.

Goal

Detect when an Azure network security rule has been created, modified, or deleted.

Strategy

Monitor Azure activity logs and detect when the @evt.name is equal to any of the following names:

• MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/WRITE
• MICROSOFT.NETWORK/NETWORKSECURITYGROUPS/SECURITYRULES/DELETE

and @evt.outcome is equal to Success.

Triage and response

Inspect the security rule and determine if it exposes any Azure resources that should not be made public.