UDP Port 88 – kerberos

About UDP Port 88

The Internet Assigned Numbers Authority (IANA) registers port 88 for kerberos. The IANA description reads: ‘Kerberos’. This port is referenced in 1 IDS rule and exhibits low malware activity in monitored traffic.

IDS Rule References

1 IDS / security rule reference UDP port 88. 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 UDP port 88:

• MALWARE-TOOLS GhostPack Rubeus kerberos request attempt

Malware Activity

Some malware indicators are observed on this port.

1 of 1 IDS rule for UDP port 88 involve malware activity.

Families observed (top 1): GhostPack (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), Snort Community Rules (GPLv2), and MITRE ATT&CK (Apache 2.0).