Table 1 Character feature summarize
From: PUMD: a PU learning-based malicious domain detection framework
Feature set | ID | Feature name | Mali DN profile |
|---|---|---|---|
Structural feature | 1 | Domain name length | Longer |
2 | Number of subdomains | Greater | |
Linguistic feature | 3 | Number of special characters | Greater |
4 | Number of numeric characters | Greater | |
5 | Conversion frequency of numeric and alphabetic characters | Higher | |
6 | Number of dictionary words | Lesser | |
7 | Number of unique length dicitonary words | Lesser |