TCP Port 31335

About TCP Port 31335

Port 31335 has no formal IANA registration. Ports in this numerical range can be assigned by IANA but this specific port has no current registration. It is referenced in 3 IDS rules and exhibits low malware activity indicators. Ports outside formal IANA assignment are commonly used by malware authors and security tooling.

IDS Rule References

3 IDS / security rules reference TCP port 31335. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

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

Sample rule descriptions for TCP port 31335:

• MALWARE-OTHER Trin00 Daemon to Master PONG message detected
• MALWARE-OTHER Trin00 Daemon to Master message detected
• MALWARE-OTHER Trin00 Daemon to Master *HELLO* message detected

Malware Activity

Some malware indicators are observed on this port.

3 of 3 IDS rules for TCP port 31335 involve malware activity.

Families observed (top 1): Trin00 (3).

Data Sources

This information is compiled from: Snort Community Rules (GPLv2).