TCP Port 1604 – icabrowser

About TCP Port 1604

Port 1604 carries the IANA assignment for icabrowser. The IANA description reads: ‘icabrowser’. 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 1604. 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 (3).

Sample rule descriptions for TCP port 1604:

• MALWARE-CNC Win.Trojan.Zbot/Bublik inbound connection
• MALWARE-CNC Win.Trojan.Zbot/Bublik outbound connection
• MALWARE-CNC Win.Trojan.Zbot/Bublik outbound connection

Malware Activity

Some malware indicators are observed on this port.

3 of 3 IDS rules for TCP port 1604 involve malware activity.

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

Data Sources

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