Unusual certificate management activity

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: AWS Audit Log OR Azure Audit Log OR Gcp Audit Log
Detection Modules	Cloud
ATT&CK Tactic	Credential Access (TA0006)
ATT&CK Technique	Unsecured Credentials: Private Keys (T1552.004)
Severity	Informational

Description

A cloud identity performed a certificate management operation for the first time.

Attacker's Goals

Abuse certificate management functionalities to generate valid signed certificates, which enable to launch man-in-the-middle attacks against different services.

Investigative actions

• Check the identity's role designation in the organization.
• Verify that the identity did not perform any sensitive certificate management operation that it shouldn't.