This commit is contained in:
ale 2021-02-02 01:13:19 +01:00
parent a3a4e8cbc1
commit 34254b569d
5 changed files with 38 additions and 31 deletions

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@ -1,17 +1,17 @@
# HatThieves `fail2ban` with abuse reporting system
# fail2ban with abuse reporting system
## Config
#### edit [entrypoint.sh](fail2ban/entrypoint.sh) with your smtp settings
edit [entrypoint.sh](fail2ban/entrypoint.sh) with your smtp settings
## Expose jail
```
docker-compose up -d
```
docker-compose up -d
## Stop jail
```
docker-compose down
```
### License MIT
docker-compose down
## License
MIT

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@ -3,6 +3,7 @@ version: '2'
services:
fail2ban:
build: ./fail2ban
image: fail2ban
hostname: fail2ban
container_name: fail2ban
restart: always
@ -12,7 +13,15 @@ services:
volumes:
- ./fail2ban/entrypoint.sh:/etc/fail2ban/entrypoint.sh:ro
- ./fail2ban/sshd_config:/etc/ssh/sshd_config:ro
- ./fail2ban/fail2ban.log:/var/log/fail2ban.log
cap_add:
- NET_ADMIN
- NET_RAW
network_mode: host
ports:
- "22:22/tcp"
- "2222:2222/tcp"
networks:
failnet:
networks:
failnet:

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@ -1,3 +1,3 @@
FROM debian:sid-slim
RUN apt update && apt -y upgrade && apt -y install fail2ban openssh-server rsyslog swaks host python3-pyinotify iptables && apt clean
RUN apt update && apt -y upgrade && apt -y install fail2ban openssh-server rsyslog swaks host python3-pyinotify iptables tor torsocks && apt clean
WORKDIR /etc/fail2ban

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@ -1,6 +1,6 @@
#!/bin/bash
DOMAIN=hatthieves.es
SMTP=smtp.hatthieves.es
DOMAIN=manalejandro.com
SMTP=smtp.manalejandro.com
USER=fail2ban
PASS=pass
@ -13,9 +13,9 @@ SENDER_MAIL=\"\$2\"
DEST_MAIL=\"\$3\"
LOGFILE=\"\$4\"
DATE=\$(date)
WHOIS_OUTPUT=\$(whois \$REMOTE_IP)
WHOIS_OUTPUT=\$(torsocks whois \$REMOTE_IP)
REVERSE_IP=\$(echo \$REMOTE_IP | awk 'BEGIN{FS=\".\";ORS=\".\"} {for (i = NF; i > 0; i--){print \$i}}')
LOG_LINES=\$(grep \$REMOTE_IP \$LOGFILE)
LOG_LINES=\$(grep -a \$REMOTE_IP \$LOGFILE)
BANNED_IP_PATH=\"/var/tmp/fail2ban_banned_ips\"
# Skip sending email when an email was already sent out for that IP the last 24hours
@ -23,15 +23,17 @@ if ! [ -d \$BANNED_IP_PATH ]; then mkdir \$BANNED_IP_PATH; else find \${BANNED_I
if [ -n \"\$(find \${BANNED_IP_PATH}/\$REMOTE_IP -mtime -1 2>/dev/null)\" ]; then exit 0; else touch \${BANNED_IP_PATH}/\$REMOTE_IP; fi
# Get the Abuse email address from Abusix
if DNS_REPLY=\$(host -t TXT \${REVERSE_IP}abuse-contacts.abusix.org); then
ABUSE_ADDR=\$(echo \$DNS_REPLY | grep -Eio '\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b' | paste -sd \",\")
fi
#if DNS_REPLY=\$(host -t TXT \${REVERSE_IP}abuse-contacts.abusix.zone); then
# ABUSE_ADDR=\$(echo \$DNS_REPLY | grep -Eio '\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b' | paste -sd \",\")
#fi
ABUSE_ADDR=\$(torsocks whois -b \$REMOTE_IP | egrep ^abuse | sed 's/^.*: \?\+//')
# Send email
if [ \$ABUSE_ADDR ]; then
swaks -f \$SENDER_MAIL -t \"\$ABUSE_ADDR,webmaster@$DOMAIN\" --tlsc -au $USER -ap $PASS -s $SMTP -p 465 \\
swaks -f \$SENDER_MAIL -t \"\$ABUSE_ADDR\" -tlsc -a -au $USER -ap $PASS -s $SMTP -p 465 \\
--h-Subject \"[Urgent]: Automatic abuse report for IP address \$REMOTE_IP from $DOMAIN\" --h-From \"Fail2Ban $DOMAIN <\$SENDER_MAIL>\" \\
--h-Bcc \"webmaster@$DOMAIN\" --h-To \$ABUSE_ADDR --body \\
--h-To \$ABUSE_ADDR --body \\
\"This is an automatic email abuse report about the IP address \$REMOTE_IP generated at \$DATE, please do not reply.
You get this email because you are listed as the official and popular abuse email contact for this concrete IP address.
@ -41,11 +43,8 @@ The following intrusion attempts were detected by our systems:
WHOIS report FYI:
\$WHOIS_OUTPUT
Thanks for your time and curiosity... take care with botnets...
- ANTIBOTNET SYSTEM -
together will do a better and free world :-)
from postmaster@$DOMAIN
by www.$DOMAIN\"
from postmaster@$DOMAIN by $DOMAIN\"
fi" > fail2ban_abuse_mail.sh
echo "[Definition]
@ -123,14 +122,13 @@ maxretry = 2
ignoreip = $DOMAIN
backend = pyinotify
filter = sshd
action = iptables-allports
action = iptables-allports[name=SSH, protocol=tcp]
sendmail-abuse[name=%(__name__)s, dest=\"%(destemail)s\", logpath=%(logpath)s]" > jail.d/sshd.conf
chmod +x fail2ban_abuse_mail.sh
rm -f /etc/fail2ban/jail.d/defaults-debian.conf /var/run/fail2ban/fail2ban.sock
mkdir -p /var/run/fail2ban
/etc/init.d/rsyslog start
/etc/init.d/ssh start
/etc/init.d/fail2ban start
service rsyslog start
service ssh start
service fail2ban start
service tor start
/bin/sleep infinity

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fail2ban/fail2ban.log Normal file
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