45 lines
1.8 KiB
Bash
45 lines
1.8 KiB
Bash
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#!/bin/bash
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PATH="$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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LANG="C"
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REMOTE_IP="$1"
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SENDER_MAIL="$2"
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DEST_MAIL="$3"
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LOGFILE="$4"
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DATE=$(date)
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WHOIS_OUTPUT=$(whois $REMOTE_IP)
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REVERSE_IP=$(echo $REMOTE_IP | awk 'BEGIN{FS=".";ORS="."} {for (i = NF; i > 0; i--){print $i}}')
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LOG_LINES=$(grep $REMOTE_IP $LOGFILE)
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BANNED_IP_PATH="/var/tmp/fail2ban_banned_ips"
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# Skip sending email when an email was already sent out for that IP the last 24hours
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if ! [ -d $BANNED_IP_PATH ]; then mkdir $BANNED_IP_PATH; else find ${BANNED_IP_PATH}/ -mtime +30 -type f -delete; fi
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if [ -n "$(find ${BANNED_IP_PATH}/$REMOTE_IP -mtime -1 2>/dev/null)" ]; then exit 0; else touch ${BANNED_IP_PATH}/$REMOTE_IP; fi
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# Get the Abuse email address from Abusix
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if DNS_REPLY=$(host -t TXT ${REVERSE_IP}abuse-contacts.abusix.org); then
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ABUSE_ADDR=$(echo $DNS_REPLY | grep -Eio '\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b' | paste -sd ",")
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fi
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# Send email
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if [ $ABUSE_ADDR ]; then
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#sendmail -t -i -f $SENDER_MAIL $ABUSE_ADDR << EOF
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swaks -f $SENDER_MAIL -t "$ABUSE_ADDR" --tlsc -au fail2ban -ap pass -s mail.hatthieves.es -p 465 \
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--h-Subject "[Urgent]: Automatic abuse report for IP address $REMOTE_IP from hatthieves.es, please read" --h-From "Fail2Ban hatthieves.es <$SENDER_MAIL>" \
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--h-Bcc "webmail@hatthieves.es" --h-To $ABUSE_ADDR --body \
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"This is an automatic email abuse report about the IP address $REMOTE_IP generated at $DATE, please do not reply.
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You get this email because you are listed as the official and popular abuse email contact for this concrete IP address.
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The following intrusion attempts were detected by our systems:
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$LOG_LINES
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WHOIS report FYI:
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$WHOIS_OUTPUT
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Thanks for your time and curiosity... take care with botnets...
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- ANTIBOTNET SYSTEM -
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together will do a better and free world :-)
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from postmaster@hatthieves.es
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by www.HatThieves.es"
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fi
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