TCP Port 8083 – us-srv

About TCP Port 8083

The Internet Assigned Numbers Authority (IANA) registers port 8083 for us-srv. The IANA description reads: ‘Utilistor (Server)’. This port is referenced in 2 IDS rules and exhibits low malware activity in monitored traffic.

IDS Rule References

2 IDS / security rules reference TCP port 8083. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 2): web-application-attack (1), command-and-control (1).

Sample rule descriptions for TCP port 8083:

• ET MALWARE Win32/RaaLoader CnC Activity
• GPL EXPLOIT WEB-MISC JBoss RMI class download service directory listing attempt

Malware Activity

Some malware indicators are observed on this port.

1 of 2 IDS rules for TCP port 8083 involve malware activity.

Families observed (top 1): RaaLoader (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).