2021-03-31 10:53:42 +00:00
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#!/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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2021-03-31 11:00:43 +00:00
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curl -L "https://zhouhanc.github.io/malware-discoverer/blocklist.csv.zip" -o "source.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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2021-03-31 10:53:42 +00:00
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## Parse URLs
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unzip -p "source.zip" | \
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dos2unix | \
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tr "[:upper:]" "[:lower:]" | \
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sed "/^domain,/d" | \
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cut -f 1 -d ',' > "source-domains.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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cp "../src/exclude.txt" "."
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# Merge Umbrella, Traco 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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## Exclude popular domains
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cat "source-domains.txt" | \
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# grep match whole line
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grep -Fx -vf "top-1m-well-known.txt" > "pup-notop-domains.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: PUP Domains Blocklist"
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SECOND_LINE="! Updated: $CURRENT_TIME"
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THIRD_LINE="! Expires: 1 day (update frequency)"
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FOURTH_LINE="! Homepage: https://gitlab.com/curben/pup-filter"
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FIFTH_LINE="! License: https://gitlab.com/curben/pup-filter#license"
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SIXTH_LINE="! Source: https://github.com/zhouhanc/malware-discoverer"
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COMMENT_UBO="$FIRST_LINE\n$SECOND_LINE\n$THIRD_LINE\n$FOURTH_LINE\n$FIFTH_LINE\n$SIXTH_LINE"
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cat "pup-notop-domains.txt" | \
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sort | \
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sed '1 i\'"$COMMENT_UBO"'' > "../dist/pup-filter.txt"
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# Adguard Home
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cat "pup-notop-domains.txt" | \
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sort | \
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sed -e "s/^/||/g" -e "s/$/^/g" | \
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sed '1 i\'"$COMMENT_UBO"'' | \
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sed "1s/Blocklist/Blocklist (AdGuard Home)/" > "../dist/pup-filter-agh.txt"
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# Adguard browser extension
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cat "pup-notop-domains.txt" | \
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sort | \
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sed -e "s/^/||/g" -e "s/$/\$all/g" | \
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sed '1 i\'"$COMMENT_UBO"'' | \
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sed "1s/Blocklist/Blocklist (AdGuard)/" > "../dist/pup-filter-ag.txt"
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# Vivaldi
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cat "pup-notop-domains.txt" | \
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sort | \
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sed -e "s/^/||/g" -e "s/$/\$document/g" | \
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sed '1 i\'"$COMMENT_UBO"'' | \
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sed "1s/Blocklist/Blocklist (Vivaldi)/" > "../dist/pup-filter-vivaldi.txt"
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## Hash comment
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# awk + head is a workaround for sed prepend
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COMMENT=$(printf "$COMMENT_UBO" | sed "s/^!/#/g" | awk '{printf "%s\\n", $0}' | head -c -2)
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cat "pup-notop-domains.txt" | \
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sort | \
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sed '1 i\'"$COMMENT"'' > "../dist/pup-filter-domains.txt"
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## Hosts file blocklist
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cat "pup-notop-domains.txt" | \
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# Remove IPv4 address
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grep -vE "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | \
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sed "s/^/0.0.0.0 /g" | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Domains/Hosts/" > "../dist/pup-filter-hosts.txt"
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## Dnsmasq-compatible blocklist
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cat "pup-notop-domains.txt" | \
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sed "s/^/address=\//g" | \
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sed "s/$/\/0.0.0.0/g" | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/dnsmasq Blocklist/" > "../dist/pup-filter-dnsmasq.conf"
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## BIND-compatible blocklist
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cat "pup-notop-domains.txt" | \
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sed 's/^/zone "/g' | \
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sed 's/$/" { type master; notify no; file "null.zone.file"; };/g' | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/BIND Blocklist/" > "../dist/pup-filter-bind.conf"
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## Unbound-compatible blocklist
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cat "pup-notop-domains.txt" | \
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sed 's/^/local-zone: "/g' | \
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sed 's/$/" always_nxdomain/g' | \
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sed '1 i\'"$COMMENT"'' | \
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sed "1s/Blocklist/Unbound Blocklist/" > "../dist/pup-filter-unbound.conf"
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2021-04-01 03:56:42 +00:00
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## IE blocklist
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COMMENT_IE="msFilterList\n$COMMENT\n: Expires=1\n#"
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cat "pup-notop-domains.txt" | \
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sed "s/^/-d /g" | \
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sed '1 i\'"$COMMENT_IE"'' | \
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sed "2s/Domains Blocklist/Hosts Blocklist (IE)/" > "../dist/pup-filter.tpl"
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2021-03-31 10:53:42 +00:00
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set +x
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## Snort & Suricata rulesets
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rm -f "../dist/pup-filter-snort2.rules" \
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"../dist/pup-filter-snort3.rules" \
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"../dist/pup-filter-suricata.rules"
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SID="300000001"
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while read DOMAIN; do
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SN_RULE="alert tcp \$HOME_NET any -> \$EXTERNAL_NET [80,443] (msg:\"pup-filter PUP website detected\"; flow:established,from_client; content:\"GET\"; http_method; content:\"$DOMAIN\"; content:\"Host\"; http_header; classtype:web-application-activity; sid:$SID; rev:1;)"
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SN3_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"pup-filter PUP website detected\"; http_header:field host; content:\"$DOMAIN\",nocase; classtype:web-application-activity; sid:$SID; rev:1;)"
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SR_RULE="alert http \$HOME_NET any -> \$EXTERNAL_NET any (msg:\"pup-filter PUP website detected\"; flow:established,from_client; http.method; content:\"GET\"; http.host; content:\"$DOMAIN\"; classtype:web-application-activity; sid:$SID; rev:1;)"
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echo "$SN_RULE" >> "../dist/pup-filter-snort2.rules"
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echo "$SN3_RULE" >> "../dist/pup-filter-snort3.rules"
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echo "$SR_RULE" >> "../dist/pup-filter-suricata.rules"
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SID=$(( $SID + 1 ))
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done < "pup-notop-domains.txt"
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set -x
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sed -i '1 i\'"$COMMENT"'' "../dist/pup-filter-snort2.rules"
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sed -i "1s/Blocklist/Snort2 Ruleset/" "../dist/pup-filter-snort2.rules"
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sed -i '1 i\'"$COMMENT"'' "../dist/pup-filter-snort3.rules"
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sed -i "1s/Blocklist/Snort3 Ruleset/" "../dist/pup-filter-snort3.rules"
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sed -i '1 i\'"$COMMENT"'' "../dist/pup-filter-suricata.rules"
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sed -i "1s/Blocklist/Suricata Ruleset/" "../dist/pup-filter-suricata.rules"
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## Clean up artifacts
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2021-03-31 11:00:43 +00:00
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rm "source.zip" "source-domains.txt" "top-1m-umbrella.zip" "top-1m-umbrella.txt" "top-1m-tranco.txt"
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2021-03-31 10:53:42 +00:00
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cd ../
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