urlhaus-filter/utils/prerequisites.sh

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#!/bin/sh
set -e -x
# Download URLhaus database
wget https://urlhaus.abuse.ch/downloads/text/ -O ../src/URLhaus.txt
# Download Cisco Umbrella 1 Million
wget https://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip -O top-1m.csv.zip
cp ../src/exclude.txt .
## Clean up URLhaus.txt
cat ../src/URLhaus.txt | \
# Convert DOS to Unix line ending
dos2unix | \
# Remove comment
sed '/^#/ d' | \
# Remove http(s)://
cut -f 3 -d '/' | \
# Remove port number
cut -f 1 -d ':' | \
# Remove www
# Only matches domains that start with www
# Not examplewww.com
sed 's/^www\.//g' | \
# Sort and remove duplicates
sort -u > urlhaus.txt