Recent Outbound Host-Port Connections
You can view recent outgoing traffic by querying Sophos Linux Sensor's connection events. The query will return recent outbound hosts and port combinations that have been seen in the last 24 hours.
Required Tables
- connections
Returned Fields
Field | Description |
---|---|
hostport | The [host]:[port] that was accessed |
occurrences | How many times |
dt | The average access datetime |
Query
SELECT
CONCAT(dst_addr, ':', cast(dst_port AS varchar)) AS hostport,
COUNT(1) as occurrences,
FROM_UNIXTIME(AVG(unix_nano_timestamp)/1e9) as dt
FROM connections b
WHERE
(SELECT COUNT(1)
FROM connections a
WHERE a.dst_addr = b.dst_addr
AND a.dst_port = b.dst_port
AND a.unix_nano_timestamp < TO_UNIXTIME(NOW()) * 1e9 - 60*60*24*1e9) = 0
GROUP BY dst_addr, dst_port