381 lines
12 KiB
Bash
381 lines
12 KiB
Bash
#!/bin/sh
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set -efux -o pipefail
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## Create a temporary working folder
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mkdir -p "tmp/"
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cd "tmp/"
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## Prepare datasets
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curl -L "https://urlhaus.abuse.ch/downloads/csv/" -o "urlhaus.zip"
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curl -L "https://s3-us-west-1.amazonaws.com/umbrella-static/top-1m.csv.zip" -o "top-1m-umbrella.zip"
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curl -L "https://tranco-list.eu/top-1m.csv.zip" -o "top-1m-tranco.zip"
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cp -f "../src/exclude.txt" "."
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## Prepare URLhaus.csv
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unzip -p "urlhaus.zip" | \
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# Convert DOS to Unix line ending
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dos2unix | \
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tr "[:upper:]" "[:lower:]" | \
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# Remove comment
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sed "/^#/d" > "URLhaus.csv"
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## Parse URLs
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cat "URLhaus.csv" | \
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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 invalid protocol, see #32
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sed -E "s/^(ttps:\/\/|https:\/|http\/)//g" | \
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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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# Remove invalid domains, see #15
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grep -vF "??" | \
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cut -f 1 -d "?" | \
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sort -u > "urlhaus-domains.txt"
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## Parse online URLs only
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cat "URLhaus.csv" | \
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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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grep -vF "??" | \
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cut -f 1 -d "?" | \
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sort -u > "urlhaus-domains-online.txt"
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## Parse the Umbrella 1 Million
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unzip -p "top-1m-umbrella.zip" | \
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dos2unix | \
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tr "[:upper:]" "[:lower:]" | \
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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-umbrella.txt"
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## Parse the Tranco 1 Million
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unzip -p "top-1m-tranco.zip" | \
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dos2unix | \
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tr "[:upper:]" "[:lower:]" | \
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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-tranco.txt"
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# Merge Umbrella and self-maintained top domains
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cat "top-1m-umbrella.txt" "top-1m-tranco.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" | \
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# Remove blank lines
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sed "/^$/d" > "malware-domains.txt"
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cat "urlhaus-domains-online.txt" | \
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grep -F -vf "urlhaus-top-domains.txt" | \
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sed "/^$/d" > "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" | \
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sed "s/^/||/g" | \
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sed "s/$/\$all/g" > "malware-url-top-domains.txt"
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cat "urlhaus-online.txt" | \
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grep -F -f "urlhaus-top-domains.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/\$all/g" > "malware-url-top-domains-online.txt"
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cat "urlhaus-online.txt" | \
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grep -F -f "urlhaus-top-domains.txt" > "malware-url-top-domains-raw-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: Malicious URL Blocklist"
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SECOND_LINE="! Updated: $CURRENT_TIME"
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THIRD_LINE="! Expires: 1 day (update frequency)"
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FOURTH_LINE="! Homepage: https://gitlab.com/curben/urlhaus-filter"
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FIFTH_LINE="! License: https://gitlab.com/curben/urlhaus-filter#license"
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SIXTH_LINE="! Source: https://urlhaus.abuse.ch/api/"
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COMMENT_ABP="$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_ABP"'' > "../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\'"$COMMENT_ABP"'' | \
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sed "1s/Malicious/Online Malicious/" > "../urlhaus-filter-online.txt"
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# Adguard Home (#19, #22)
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cat "malware-domains.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/^/g" > "malware-domains-adguard-home.txt"
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cat "malware-domains-online.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/^/g" > "malware-domains-online-adguard-home.txt"
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cat "malware-domains-adguard-home.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Blocklist/Blocklist (AdGuard Home)/" > "../urlhaus-filter-agh.txt"
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cat "malware-domains-online-adguard-home.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Malicious/Online Malicious/" | \
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sed "1s/Blocklist/Blocklist (AdGuard Home)/" > "../urlhaus-filter-agh-online.txt"
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# Adguard browser extension
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cat "malware-domains.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/\$all/g" > "malware-domains-adguard.txt"
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cat "malware-domains-online.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/\$all/g" > "malware-domains-online-adguard.txt"
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cat "malware-domains-adguard.txt" "malware-url-top-domains.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Blocklist/Blocklist (AdGuard)/" > "../urlhaus-filter-ag.txt"
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cat "malware-domains-online-adguard.txt" "malware-url-top-domains-online.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Malicious/Online Malicious/" | \
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sed "1s/Blocklist/Blocklist (AdGuard)/" > "../urlhaus-filter-ag-online.txt"
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# Vivaldi
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cat "malware-domains.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/\$document/g" > "malware-domains-vivaldi.txt"
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cat "malware-domains-online.txt" | \
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sed "s/^/||/g" | \
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sed "s/$/\$document/g" > "malware-domains-online-vivaldi.txt"
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cat "malware-domains-vivaldi.txt" "malware-url-top-domains.txt" | \
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sed "s/\$all$/\$document/g" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Blocklist/Blocklist (Vivaldi)/" > "../urlhaus-filter-vivaldi.txt"
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cat "malware-domains-online-vivaldi.txt" "malware-url-top-domains-online.txt" | \
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sed "s/\$all$/\$document/g" | \
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sort | \
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sed '1 i\'"$COMMENT_ABP"'' | \
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sed "1s/Malicious/Online Malicious/" | \
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sed "1s/Blocklist/Blocklist (Vivaldi)/" > "../urlhaus-filter-vivaldi-online.txt"
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## Domains-only blocklist
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# awk + head is a workaround for sed prepend
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COMMENT=$(printf "$COMMENT_ABP" | sed "s/^!/#/g" | sed "1s/URL/Domains/" | awk '{printf "%s\\n", $0}' | head -c -2)
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COMMENT_ONLINE=$(printf "$COMMENT" | sed "1s/Malicious/Online Malicious/" | awk '{printf "%s\\n", $0}' | head -c -2)
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cat "malware-domains.txt" | \
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sort | \
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sed '1 i\'"$COMMENT"'' > "../urlhaus-filter-domains.txt"
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cat "malware-domains-online.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_ONLINE"'' > "../urlhaus-filter-domains-online.txt"
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## Hosts only
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cat "malware-domains.txt" | \
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sort | \
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# Remove IPv4 address
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grep -vE "([0-9]{1,3}[\.]){3}[0-9]{1,3}" > "malware-hosts.txt"
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cat "malware-domains-online.txt" | \
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sort | \
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# Remove IPv4 address
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grep -vE "([0-9]{1,3}[\.]){3}[0-9]{1,3}" > "malware-hosts-online.txt"
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## Hosts file blocklist
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cat "malware-hosts.txt" | \
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sed "s/^/0.0.0.0 /g" | \
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# Re-insert comment
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Domains/Hosts/" > "../urlhaus-filter-hosts.txt"
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cat "malware-hosts-online.txt" | \
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sed "s/^/0.0.0.0 /g" | \
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sed '1 i\'"$COMMENT_ONLINE"'' | \
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sed "1s/Domains/Hosts/" > "../urlhaus-filter-hosts-online.txt"
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## Dnsmasq-compatible blocklist
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cat "malware-hosts.txt" | \
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sed "s/^/address=\//g" | \
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sed "s/$/\/0.0.0.0/g" | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/dnsmasq Blocklist/" > "../urlhaus-filter-dnsmasq.conf"
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cat "malware-hosts-online.txt" | \
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sed "s/^/address=\//g" | \
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sed "s/$/\/0.0.0.0/g" | \
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sed '1 i\'"$COMMENT_ONLINE"'' | \
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sed "1s/Blocklist/dnsmasq Blocklist/" > "../urlhaus-filter-dnsmasq-online.conf"
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## BIND-compatible blocklist
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cat "malware-hosts.txt" | \
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sed 's/^/zone "/g' | \
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sed 's/$/" { type master; notify no; file "null.zone.file"; };/g' | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/BIND Blocklist/" > "../urlhaus-filter-bind.conf"
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cat "malware-hosts-online.txt" | \
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sed 's/^/zone "/g' | \
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sed 's/$/" { type master; notify no; file "null.zone.file"; };/g' | \
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sed '1 i\'"$COMMENT_ONLINE"'' | \
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sed "1s/Blocklist/BIND Blocklist/" > "../urlhaus-filter-bind-online.conf"
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## DNS Response Policy Zone (RPZ)
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CURRENT_UNIX_TIME="$(date +%s)"
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RPZ_SYNTAX="\n\$TTL 30\n@ IN SOA rpz.curben.gitlab.io. hostmaster.rpz.curben.gitlab.io. $CURRENT_UNIX_TIME 86400 3600 604800 30\n NS localhost.\n"
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cat "malware-hosts.txt" | \
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sed "s/$/ CNAME ./g" | \
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sed '1 i\'"$RPZ_SYNTAX"'' | \
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sed '1 i\'"$COMMENT"'' | \
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sed "s/^#/;/g" | \
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sed "1s/Blocklist/RPZ Blocklist/" > "../urlhaus-filter-rpz.conf"
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cat "malware-hosts-online.txt" | \
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sed "s/$/ CNAME ./g" | \
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sed '1 i\'"$RPZ_SYNTAX"'' | \
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sed '1 i\'"$COMMENT_ONLINE"'' | \
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sed "s/^#/;/g" | \
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sed "1s/Blocklist/RPZ Blocklist/" > "../urlhaus-filter-rpz-online.conf"
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## Unbound-compatible blocklist
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cat "malware-hosts.txt" | \
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sed 's/^/local-zone: "/g' | \
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sed 's/$/" always_nxdomain/g' | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/Unbound Blocklist/" > "../urlhaus-filter-unbound.conf"
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cat "malware-hosts-online.txt" | \
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sed 's/^/local-zone: "/g' | \
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sed 's/$/" always_nxdomain/g' | \
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sed '1 i\'"$COMMENT_ONLINE"'' | \
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sed "1s/Blocklist/Unbound Blocklist/" > "../urlhaus-filter-unbound-online.conf"
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## Temporarily disable command print
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set +x
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# Snort & Suricata
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rm -f "../urlhaus-filter-snort2-online.rules" \
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"../urlhaus-filter-snort3-online.rules" \
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"../urlhaus-filter-suricata-online.rules"
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SID="100000001"
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while read DOMAIN; do
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SN_RULE="alert tcp \$HOME_NET any -> \$EXTERNAL_NET [80,443] (msg:\"urlhaus-filter malicious website detected\"; flow:established,from_client; content:\"GET\"; http_method; content:\"$DOMAIN\"; content:\"Host\"; http_header; classtype:trojan-activity; sid:$SID; rev:1;)"
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SN3_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"urlhaus-filter malicious website detected\"; http_header:field host; content:\"$DOMAIN\",nocase; classtype:trojan-activity; sid:$SID; rev:1;)"
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SR_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"urlhaus-filter malicious website detected\"; flow:established,from_client; http.method; content:\"GET\"; http.host; content:\"$DOMAIN\"; classtype:trojan-activity; sid:$SID; rev:1;)"
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echo "$SN_RULE" >> "../urlhaus-filter-snort2-online.rules"
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echo "$SN3_RULE" >> "../urlhaus-filter-snort3-online.rules"
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echo "$SR_RULE" >> "../urlhaus-filter-suricata-online.rules"
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SID=$(( $SID + 1 ))
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done < "malware-domains-online.txt"
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while read URL; do
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HOST=$(echo "$URL" | cut -d"/" -f1)
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URI=$(echo "$URL" | sed -e "s/^$HOST//" -e "s/;/\\\;/g")
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# Snort2 only supports <=2047 characters of `content`
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SN_RULE="alert tcp \$HOME_NET any -> \$EXTERNAL_NET [80,443] (msg:\"urlhaus-filter malicious website detected\"; flow:established,from_client; content:\"GET\"; http_method; content:\"$(echo $URI | cut -c -2047)\"; http_uri; nocase; content:\"$HOST\"; content:\"Host\"; http_header; classtype:trojan-activity; sid:$SID; rev:1;)"
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SN3_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"urlhaus-filter malicious website detected\"; http_header:field host; content:\"$HOST\",nocase; http_uri; content:\"$URI\",nocase; classtype:trojan-activity; sid:$SID; rev:1;)"
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SR_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"urlhaus-filter malicious website detected\"; flow:established,from_client; http.method; content:\"GET\"; http.uri; content:\"$URI\"; endswith; nocase; http.host; content:\"$HOST\"; classtype:trojan-activity; sid:$SID; rev:1;)"
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echo "$SN_RULE" >> "../urlhaus-filter-snort2-online.rules"
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echo "$SN3_RULE" >> "../urlhaus-filter-snort3-online.rules"
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echo "$SR_RULE" >> "../urlhaus-filter-suricata-online.rules"
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SID=$(( $SID + 1 ))
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done < "malware-url-top-domains-raw-online.txt"
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## Re-enable command print
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set -x
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sed -i '1 i\'"$COMMENT_ONLINE"'' "../urlhaus-filter-snort2-online.rules"
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sed -i "1s/Domains Blocklist/URL Snort2 Ruleset/" "../urlhaus-filter-snort2-online.rules"
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sed -i '1 i\'"$COMMENT_ONLINE"'' "../urlhaus-filter-snort3-online.rules"
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sed -i "1s/Domains Blocklist/URL Snort3 Ruleset/" "../urlhaus-filter-snort3-online.rules"
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sed -i '1 i\'"$COMMENT_ONLINE"'' "../urlhaus-filter-suricata-online.rules"
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sed -i "1s/Domains Blocklist/URL Suricata Ruleset/" "../urlhaus-filter-suricata-online.rules"
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## IE blocklist
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COMMENT_IE="msFilterList\n$COMMENT\n: Expires=1\n#"
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COMMENT_ONLINE_IE="msFilterList\n$COMMENT_ONLINE\n: Expires=1\n#"
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cat "malware-hosts.txt" | \
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sed "s/^/-d /g" | \
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sed '1 i\'"$COMMENT_IE"'' | \
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sed "2s/Domains Blocklist/Hosts Blocklist (IE)/" > "../urlhaus-filter.tpl"
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cat "malware-hosts-online.txt" | \
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sed "s/^/-d /g" | \
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sed '1 i\'"$COMMENT_ONLINE_IE"'' | \
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sed "2s/Domains Blocklist/Hosts Blocklist (IE)/" > "../urlhaus-filter-online.tpl"
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## Clean up artifacts
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rm "URLhaus.csv" "top-1m-umbrella.zip" "top-1m-umbrella.txt" "top-1m-tranco.txt"
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cd ../
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