TCP Port 777 – multiling-http

About TCP Port 777

Port 777 is registered with the Internet Assigned Numbers Authority (IANA) for multiling-http. The IANA description reads: ‘Multiling HTTP’. 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 777. 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 777:

• MALWARE-CNC Win.Trojan.Dropper inbound encrypted traffic
• MALWARE-CNC Win.Trojan.Dropper outbound encrypted traffic – potential exfiltration
• MALWARE-CNC Win.Trojan.Dropper outbound encrypted traffic

Malware Activity

Some malware indicators are observed on this port.

3 of 3 IDS rules for TCP port 777 involve malware activity.

Data Sources

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