Quality Network Corp

Quality Network Corp is front used by the well-known criminal outfit Cyber World Internet Services which is by Spamhaus described as a "Spam host".

Quality Network Corp crawls websites looking for e-mail addresses and places to spam POST requests using a really impressive amount of different servers located in different places. They have their own AS and network space and the IPs they use are mostly registered to them.

They use all kinds of fake browser user-agents such as Firefox/45.0, Chrome/43 etc.

BLACKLISTIF="enp2s0"
BLACKLIST6IF="ipv6-tunnel"
IPTABLES="/usr/sbin/iptables"
IP6TABLES="/usr/sbin/ip6tables"

$IPTABLES -I INPUT -i $BLACKLISTIF -s 178.57.66.0/24  -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 178.57.65.0/24  -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.101.70.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.13.32.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.14.193.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.14.194.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.14.195.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.46.84.0/22 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.50.250.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.50.251.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.71.0.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.71.1.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.71.2.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.71.3.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.89.100.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 185.154.72.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 188.68.1.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 188.68.0.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.40.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.41.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.44.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.44.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.44.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 37.9.45.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.148.120.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.148.127.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.161.56.0/24 -j DROP  # LT-RACKRAY
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.161.57.0/24 -j DROP  # Rackray
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.161.58.0/24 -j DROP  # Rackray
$IPTABLES -I INPUT -i $BLACKLISTIF -s 46.161.62.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.101.217.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.101.222.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.188.216.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.200.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.205.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.206.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.207.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.153.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.154.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.155.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.156.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.157.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.62.158.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.8.44.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.8.45.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.8.46.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.101.222.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.201.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 5.189.202.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 64.41.200.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 79.110.19.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 79.110.28.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 79.110.31.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.200.82.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.200.83.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.204.14.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.204.15.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.243.91.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.243.92.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 91.243.93.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 93.179.89.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 93.179.90.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.85.80.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.176.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.177.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.178.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.179.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.182.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.183.0/24 -j DROP
$IPTABLES -I INPUT -i $BLACKLISTIF -s 95.181.218.0/24 -j DROP

$IP6TABLES -I INPUT -i $BLACKLIST6IF -s 2600:c02:1020:4202::/64 -j DROP

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