December 2018
Intermediate to advanced
318 pages
8h 28m
English
Content preview from Hands-On Machine Learning for Cybersecurity
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Lexical features
Lexical features are derived by analyzing the lexical unit of sentences. Lexical semantics are composed of full words or semiformed words. We will analyze the lexical features in the URL and extract them in accordance with the URLs that are available. We will extract the different URL components, such as the address, comprised of the hostname, the path, and so on.
We start by importing the headers, as shown in the following code:
from url parse import urlparseimport reimport urllib2import urllibfrom xml.dom import minidomimport csvimport pygeoip
Once done, we will import the necessary packages. We then tokenize the URLs. Tokenizing is the process of chopping the URL into several pieces. A token refers to the part that has ...
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