TCP Port 2504 – wlbs

About TCP Port 2504

Port 2504 carries the IANA assignment for wlbs. The IANA description reads: ‘WLBS’. This port is referenced in 1 IDS rule and exhibits low malware activity in monitored traffic.

IDS Rule References

1 IDS / security rule reference TCP port 2504. 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 (1).

Sample rule descriptions for TCP port 2504:

• ET MALWARE NanoCore RAT Keepalive Response 1

Malware Activity

Some malware indicators are observed on this port.

1 of 1 IDS rule for TCP port 2504 involve malware activity.

Families observed (top 1): NanoCore (1).

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry, Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range), and MITRE ATT&CK (Apache 2.0).