Excessive Inbound or Outbound Connections from same Source

Last updated on:

Applies to: Log360

About the rule

Rule Type

Advanced

Rule Description

Unusually increased number of inbound or outbound connections originating from or targeting the same source IP

Severity

Trouble

Rule Requirement

Criteria

highly_traffic_abnormal_source_e1: logtype = "*" and IENAME = "Traffic Allowed" | groupby SOURCE_IP limit 10 having count > 100000 | first 1 DEST_IP, DEST_PORT, ACTION select highly_traffic_abnormal_source_e1.SOURCE_IP as SourceIP, highly_traffic_abnormal_source_e1.SOURCE_IP.ACTION as Top_Action, highly_traffic_abnormal_source_e1.SOURCE_IP.DEST_IP as Top_DestinationIP, highly_traffic_abnormal_source_e1.SOURCE_IP.DEST_PORT as Top_Destination_port, count(highly_traffic_abnormal_source_e1.SOURCE_IP)

Detection

Execution Mode

scheduled

Log Sources

Network