TCP Port 4323 – trim-ice

About TCP Port 4323

Port 4323 is registered with the Internet Assigned Numbers Authority (IANA) for trim-ice. The IANA description reads: ‘TRIM ICE Service’. This port is referenced in 3 IDS rules and exhibits low malware activity in monitored traffic.

IDS Rule References

3 IDS / security rules reference TCP port 4323. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): attempted-admin (3).

Sample rule descriptions for TCP port 4323:

• ET TELNET busybox MIRAI hackers – Possible Brute Force Attack
• ET TELNET busybox ECCHI hackers – Possible Brute Force Attack
• ET TELNET busybox MEMES Hackers – Possible Brute Force Attack

Malware Activity

Some malware indicators are observed on this port.

1 of 3 IDS rules for TCP port 4323 involve malware activity.

Families observed (top 1): Mirai (1).

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range).