TCP Port 1004

About TCP Port 1004

Port 1004 sits outside of IANA’s formally registered assignments. While most ports below 1024 are assigned to canonical services, this specific port has no current IANA registration. It is referenced in 1 IDS rule and exhibits low malware activity indicators. Ports outside formal IANA assignment are commonly used by malware authors and security tooling.

IDS Rule References

1 IDS / security rule reference TCP port 1004. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): misc-activity (1).

Sample rule descriptions for TCP port 1004:

• MALWARE-BACKDOOR Infector 1.6 Client to Server Connection Request

Malware Activity

Some malware indicators are observed on this port.

1 of 1 IDS rule for TCP port 1004 involve malware activity.

Data Sources

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