109 lines
2.7 KiB
Bash
109 lines
2.7 KiB
Bash
#!/bin/sh
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set -e -x
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## Create a temporary working folder
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mkdir -p tmp/ && cd tmp/
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## Prepare datasets
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wget https://urlhaus.abuse.ch/downloads/csv/ -O ../src/URLhaus.csv
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wget https://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip -O top-1m.csv.zip
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cp ../src/exclude.txt .
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## Clean up URLhaus.csv
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cat ../src/URLhaus.csv | \
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# Convert DOS to Unix line ending
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dos2unix | \
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# Remove comment
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sed '/^#/d' | \
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# Parse URLs
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cut -f 6 -d '"' | \
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cut -f 3- -d '/' | \
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# Domain must have at least a 'dot'
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grep -F '.' | \
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# Remove www.
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sed 's/^www\.//g' | \
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sort -u > urlhaus.txt
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## Parse domain and IP address only
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cat urlhaus.txt | \
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cut -f 1 -d '/' | \
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cut -f 1 -d ':' | \
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sort -u > urlhaus-domains.txt
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cat ../src/URLhaus.csv | \
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dos2unix | \
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sed '/^#/d' | \
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# Parse online URLs only
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grep '"online"' | \
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cut -f 6 -d '"' | \
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cut -f 3- -d '/' | \
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sed 's/^www\.//g' | \
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sort -u > urlhaus-online.txt
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cat urlhaus-online.txt | \
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cut -f 1 -d '/' | \
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cut -f 1 -d ':' | \
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sort -u > urlhaus-domains-online.txt
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## Parse the Cisco Umbrella 1 Million
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unzip -p top-1m.csv.zip | \
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dos2unix | \
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# Parse domains only
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cut -f 2 -d ',' | \
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grep -F '.' | \
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# Remove www.
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sed 's/^www\.//g' | \
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sort -u > top-1m.txt
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# Merge Umbrella and self-maintained top domains
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cat top-1m.txt exclude.txt | \
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sort -u > top-1m-well-known.txt
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## Parse popular domains from URLhaus
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cat urlhaus-domains.txt | \
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# grep match whole line
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grep -Fx -f top-1m-well-known.txt > urlhaus-top-domains.txt
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## Parse domains from URLhaus excluding popular domains
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cat urlhaus-domains.txt | \
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grep -F -vf urlhaus-top-domains.txt > malware-domains.txt
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cat urlhaus-domains-online.txt | \
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grep -F -vf urlhaus-top-domains.txt > malware-domains-online.txt
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## Parse malware URLs from popular domains
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cat urlhaus.txt | \
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grep -F -f urlhaus-top-domains.txt > malware-url-top-domains.txt
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cat urlhaus-online.txt | \
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grep -F -f urlhaus-top-domains.txt > malware-url-top-domains-online.txt
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## Merge malware domains and URLs
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CURRENT_TIME="$(date -R -u)"
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FIRST_LINE="! Title: abuse.ch URLhaus Malicious URL Blocklist"
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SECOND_LINE="! Updated: $CURRENT_TIME"
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THIRD_LINE="! Expires: 1 day (update frequency)"
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FOURTH_LINE="! Repo: https://gitlab.com/curben/urlhaus-filter"
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FIFTH_LINE="! License: https://creativecommons.org/publicdomain/zero/1.0/"
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SIXTH_LINE="! Source: https://urlhaus.abuse.ch/api/"
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COMMENT="$FIRST_LINE\n$SECOND_LINE\n$THIRD_LINE\n$FOURTH_LINE\n$FIFTH_LINE\n$SIXTH_LINE"
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cat malware-domains.txt malware-url-top-domains.txt | \
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sort | \
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sed '1 i\'"$COMMENT"'' > ../urlhaus-filter.txt
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cat malware-domains-online.txt malware-url-top-domains-online.txt | \
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sort | \
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sed '1 i\'"$COMMENT"'' | \
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sed '1s/Malicious/Online Malicious/' > ../urlhaus-filter-online.txt
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cd ../ && rm -r tmp/
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