Managed Sentinel – Alert 112
|Alert Name||Blocked outbound traffic to blacklisted IPs or domains (Threat Intelligence)|
|Description||This alert triggers when an internal critical machine successfully connect to a malicious IP address or domain based on Managed Sentinel Threat Intelligence list.|
Customer to provide a list of critical servers.
|Threat Indicator||Compromised Host|
|MITRE ATT&CK Tactics||Initial Access|
|False Positive||Incorrect Threat Intelligence feed|
|Recommendations||Investigate the type of traffic allowed to the malicious IP address (e.g web, dns, smtp). Manually perform a validation of the malicious IP address on external Threat Intelligence sources (e.g www.abuseIPdb.com).|
Also the volume of requests within a specific period of time could be an solid indicator of a compromised host.