An XSIAM engineer is troubleshooting why a specific 'Lateral Movement - Admin Share Access' alert is not being triggered, despite a known malicious activity occurring. The security team confirmed the event data is being ingested correctly and matches the rule's criteria'. Upon investigation, they discover an exclusion is active. The exclusion is configured as follows for 'Lateral Movement - Admin Share Access' rule: The malicious activity involved an 'IT Management_Server" accessing an 'HR Database Server' (which is not tagged as Legacy_Windows Server') via an admin share. What is the reason the alert is not being triggered?
正解：A
The crucial part of the exclusion configuration is 'logical_operator: 'OR". This means that if any of the defined conditions within the exclusion_filter' are met, the entire exclusion is applied. In this scenario: Condition 1: 'source_host.asset_tags CONTAINS - This is TRUE because the malicious activity originated from an ' . Condition 2: CONTAINS - This is FALSE because the destination was an , not a Since the 'logical_operator' is 'OR' and Condition 1 is true, the overall exclusion condition evaluates to TRUE, and therefore, the alert is suppressed. This highlights the importance of carefully choosing the logical operator when defining exclusions to avoid overly broad suppressions.
