MJ12bot/v1.0.8 kendisi hem virüs hemde saldırı botudur.

MJ12bot virusünü pc nizde Kaspersky ile yarama yaparak Trojan.Win32.Agent.dqy ve Trojan.Win32.Zapchast.dv isimlerinde bulabilirsiniz.Ve kaspersky ile virüsü bilgisayarınızdan silebilirsiniz.
Gelelim saldırı yönüne, yani biz webmasterları ilgilendiren tarafına:
MJ12bot Majestic-12 bot isimleri ile web sitenize girmekte ve .htaccess dosyasını kitleyerek siteniz açılmamaktadır.
Çözümü :
Sitenizin robost.txt ye eklerseniz sorununuz kalmaz.
User-agent: MJ12bot
Disallow: /
robost.txt hakkında detaylı bilgiye buradan ulaşabilirsiniz.

.htaccess olarak çözümü :
%{HTTP_USER_AGENT} MJ12bot/v1\.0\.8 [NC]
RewriteRule ^.* - [F]

üstteki ve alttaki iki alternatif çözümü var.

RewriteCond %{HTTP_USER_AGENT} ^MJ12bot/v1\.0\.8.*$
RewriteRule .* - [F]

Son çözüm alttaki ipleri banlamak:
81.37.82.92, 88.122.65.77, 82.63.207.5, 91.165.157.212, 70.178.6.68, 200.72.237.62, 90.9.9.108, 82.231.152.113, 77.180.217.25, 74.125.16.1, 88.16.102.193, 87.111.85.192, 79.16.236.166, 87.217.108.16, 82.44.32.35, 81.184.9.107, 82.61.184.189, 68.91.194.183, 89.6.233.45, 88.25.87.196, 78.50.128.207, 219.142.226.145, 82.223.15.92, 80.35.202.236, 84.228.175.218, 87.160.93.171, 86.76.146.110, 172.174.227.13, 89.6.189.183, 190.11.229.73, 217.200.200.56, 74.14.108.205, 85.133.134.173, 85.81.77.80, 86.108.45.238, 90.40.45.171, 80.30.87.19, 151.20.174.145, 151.21.31.245, 151.33.153.238, 151.56.183.163, 151.59.89.86, 151.60.35.217, 163.21.179.1, 168.126.57.169, 189.14.52.25, 189.174.199.121, 190.129.119.140, 190.154.14.219, 190.2.1.41, 190.2.33.121, 190.44.68.192, 190.45.239.7, 190.49.33.56, 194.63.133.37, 195.25.234.136, 195.3.232.177, 196.206.6.133, 196.218.209.34, 196.40.62.172, 200.125.67.16, 200.171.2.60, 200.93.63.137, 200.94.235.104, 201.11.218.26, 201.253.218.237, 201.3.10.170, 201.52.89.227, 201.81.224.153, 206.162.206.171, 212.16.102.56, 212.76.37.138, 212.91.126.194, 213.22.56.31, 213.37.90.220, 213.44.41.128, 217.224.121.117, 217.234.132.250, 220.225.66.162, 24.232.190.34, 41.225.129.87, 62.10.166.54, 62.10.221.71, 62.10.245.17, 62.121.101.246, 62.237.224.118, 62.28.6.19, 62.51.31.78, 69.139.95.84, 71.179.155.203, 77.176.121.242, 78.62.96.230, 79.10.200.71, 79.19.194.228, 79.211.78.157, 79.213.104.9, 79.3.5.138, 79.5.200.86, 79.6.13.154, 79.7.169.36, 80.103.160.182, 80.24.231.173, 80.26.137.201, 80.30.107.138, 80.35.159.212, 81.172.105.222, 81.198.90.90, 81.35.166.218, 81.36.227.143, 81.37.19.33, 81.38.207.73, 81.50.159.211, 82.121.169.73, 82.121.181.171, 82.159.21.166, 82.213.151.55, 82.229.108.69, 82.244.228.224, 82.248.68.104, 82.249.122.209, 82.55.143.237, 83.11.178.49, 83.112.195.165, 83.115.157.45, 83.184.66.179, 83.19.21.202, 83.196.4.16, 83.202.168.54, 83.24.208.180, 83.24.33.67, 83.33.20.53, 83.37.65.37, 83.45.72.220, 83.49.101.30, 83.52.184.251, 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77.49.44.159, 213.98.99.124, 82.131.84.110, 89.180.64.112, 217.136.43.182, 85.45.240.177, 89.40.238.166, 90.18.0.194, 190.13.16.235, 216.17.109.121, 190.20.126.172, 200.93.8.248, 74.13.96.34, 79.179.122.222, 79.183.130.71, 80.58.205.55, 81.172.62.140, 83.55.141.211, 85.49.35.15, 85.84.213.86, 85.85.187.84, 82.224.107.155, 62.147.240.7, 172.142.90.144, 151.56.155.74, 86.220.124.147, 89.138.131.210, 89.139.0.136, 79.27.70.117, 89.129.81.184, 86.208.230.194, 80.134.153.231, 82.135.208.21, 87.20.232.74, 193.77.16.231, 58.186.72.112, 72.70.122.125, 83.138.135.50, 83.34.196.242, 87.217.250.149, 87.30.238.169, 88.19.66.250, 89.245.130.166, 89.61.200.128, 89.77.3.36, 99.234.43.247, 82.217.63.27, 61.229.51.140, 89.129.72.80, 90.32.171.221, 89.182.10.173, 82.236.219.104, 88.8.109.30, 88.25.226.148, 174.216.89.68, 87.176.253.75, 87.179.57.206, 85.125.126.58, 88.165.38.150, 82.56.177.152, 84.221.252.170, 83.113.254.151, 217.159.192.57, 71.63.197.49, 189.13.172.97, 84.91.64.232, 201.11.229.86, 220.130.50.195, 85.49.140.58, 88.65.172.127, 189.18.174.93, 216.189.186.10, 82.231.19.23, 189.26.169.192, 190.64.193.250, 200.117.80.123, 212.21.248.92, 75.36.166.91, 77.181.55.11, 79.18.93.163, 79.27.242.171, 80.181.125.64, 81.34.255.221 81.37.145.81, 82.245.44.195, 82.58.109.197, 82.65.36.99, 83.39.89.236, 83.4.0.205, 83.44.33.211, 84.122.240.73, 84.176.108.84, 84.223.185.110, 85.57.205.49, 87.218.61.38, 87.29.228.20, 87.6.202.58, 88.11.236.65, 88.3.232.124, 88.8.81.203, 89.205.11.213, 90.17.113.102, 90.7.143.52, 91.50.255.29, 79.27.4.235, 84.102.210.12, 79.9.206.231, 90.162.16.130, 151.71.191.220, 85.60.39.74, 82.237.69.84, 80.58.205.42, 212.35.95.172, 88.104.228.166, 83.101.4.180, 81.246.105.105, 77.179.75.7, 201.2.235.42, 67.68.148.55, 77.125.7.153, 124.254.174.215, 125.176.37.150, 151.33.212.15, 189.15.100.102, 189.166.229.138, 189.176.84.208, 189.194.130.254, 190.139.84.102, 190.6.195.31, 190.86.1.238, 193.152.161.66, 193.77.184.204, 193.92.131.110, 195.238.170.179, 196.217.83.138, 200.103.139.158, 200.171.3.14, 200.202.212.220, 200.28.178.156, 201.250.108.46, 201.254.70.60, 201.69.32.103, 201.75.200.14, 201.78.249.77, 201.78.44.45, 201.79.231.80, 202.159.224.102, 203.130.102.54, 207.112.75.144, 212.100.250.228, 212.13.64.34, 212.200.113.171, 213.35.240.207, 213.88.187.135, 217.126.8.20, 217.132.195.237, 217.201.98.157, 217.217.37.174, 219.167.76.36, 24.159.6.100, 41.251.77.92, 61.218.133.77, 61.228.190.117, 62.10.56.95, 62.121.98.150, 62.160.127.98, 62.163.47.215, 65.75.109.164, 66.108.114.86, 67.212.9.195, 68.49.247.242, 68.50.73.108, 69.140.227.187, 70.157.67.110, 70.74.212.68, 74.210.19.84, 75.56.196.113, 76.237.201.2, 77.198.16.123, 77.199.254.224, 78.49.37.94, 79.125.178.18, 79.144.67.3, 79.182.189.107, 79.185.99.202, 79.214.63.5, 79.3.30.112, 79.68.36.11, 80.103.139.245, 80.174.13.23, 80.39.233.159, 80.58.205.51, 80.87.83.234, 81.15.225.217, 81.174.7.203, 81.32.130.233, 81.39.118.198, 81.39.237.42, 81.56.111.140, 81.9.168.160, 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