TCP Port 20480 – emwavemsg

About TCP Port 20480

Port 20480 carries the IANA assignment for emwavemsg. The IANA description reads: ’emWave Message Service’. 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 20480. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): trojan-activity (2).

Sample rule descriptions for TCP port 20480:

• MALWARE-CNC Win.Trojan.CowerSnail command and control response detected
• MALWARE-CNC Win.Trojan.CowerSnail initial outbound connection attempt

Malware Activity

Some malware indicators are observed on this port.

2 of 2 IDS rules for TCP port 20480 involve malware activity.

Families observed (top 1): CowerSnail (2).

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Snort Community Rules (GPLv2).