08.10.2012, 22:01
(
Последний раз редактировалось Stepashka; 09.10.2012 в 05:06.
)
Доброго времени суток, нам необходима помощь в отражении ddos атаки от некоторых умельцев.
Начну сразу с проблемы:
Ночью в этот понедельник на нас пустили атаку такого вида
Т.е за 1 секунду около 100 подключений по UDP.
Все бы ничего, но на утро никто из игроков зайти на сервер не смог. После коннекта не начиналась загрузка.
http://hostingkartinok.com/show-imag...f5d826523a0ac2
Мы начали допиливать iptables на предмет ограничения коннектов, но все было безуспешно.
Во время этого началась добавочная порция:
В добавок к этому, мы получили еще один подарок.
И еще одним видом решили добить лог, который начал стремительно расти в размерах, и очень сильно грузить систему.
Ограничение в 10 новых коннектов за 30 секунд не помогло. Ограничение 3-х одновременных коннектов не помогло. Ограничение пакетов не помогло.
В подарок к этому, начали ложить апач на веб сервере большим числом коннектов с паблик прокси.
Боты понимают куки, и продолжают свою деятельность даже при проверке через nginx. За одну секунду приходит около 300-500 GET/POST запросов, и апач уходит отдыхать, забирая с собой все остальные демоны.
Игровой сервер и веб сервер стоят в разных ДЦ, но данным личностям это особо не мешает.
Судя по полученной информации, атака была заказная, и блокировка казахстанского IP адреса длительного эффекта не принесет.
Прошу помощи у понимающего в данной области человека. Готов заплатить людям, которые готовы помочь.
Начну сразу с проблемы:
Ночью в этот понедельник на нас пустили атаку такого вида
Код:
[2012-10-08 19:32:13] [join] Alberto_Falcone_DSGh has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_Dji7 has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DEps has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DAJI has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DzmP has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_D2Xf has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DGrt has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DAST has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_D8Nl has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DS8V has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_Do5K has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DOUQ has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DKQJ has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_Dna5 has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DPFE has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DWpi has joined the server (63:95.58.107.49) [2012-10-08 19:32:13] [join] Alberto_Falcone_DvxB has joined the server (63:95.58.107.49)
Все бы ничего, но на утро никто из игроков зайти на сервер не смог. После коннекта не начиналась загрузка.
http://hostingkartinok.com/show-imag...f5d826523a0ac2
Мы начали допиливать iptables на предмет ограничения коннектов, но все было безуспешно.
Во время этого началась добавочная порция:
Код:
[2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49 [2012-10-08 19:32:13] Invalid client connecting from 95.58.107.49
Код:
[2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:08:40] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153
Код:
[2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't match last sent dialog ID [2012-10-08 21:10:53] Warning: /rcon command exploit from: 3:95.58.107.49:62153 [2012-10-08 21:10:53] Warning: PlayerDialogResponse PlayerId: 3 dialog ID doesn't
В подарок к этому, начали ложить апач на веб сервере большим числом коннектов с паблик прокси.
Код:
18.244.253.97 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 202.106.16.36 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 204.15.145.142 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 204.15.145.104 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 180.137.45.86 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 89.218.94.163 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 203.83.188.26 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 204.15.145.71 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 219.234.82.54 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 190.66.0.83 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 122.102.45.86 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 111.94.145.231 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 175.136.234.10 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 195.200.199.98 - - [08/Oct/2012:19:58:34 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 200.40.46.62 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 222.89.55.123 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 177.19.248.42 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 180.235.66.76 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 46.164.138.54 - - [08/Oct/2012:19:58:35 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 41.78.103.42 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 173.247.249.19 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 198.27.114.24 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 118.96.153.64 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 189.127.141.3 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 198.27.119.86 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 219.234.82.55 - - [08/Oct/2012:19:58:30 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 187.0.222.167 - - [08/Oct/2012:19:58:29 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" [08.10.2012 21:29:16] - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 89.218.94.163 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 118.144.94.25 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 219.159.198.57 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 92.255.185.161 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 219.234.82.75 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 80.87.147.132 - - [08/Oct/2012:20:14:40 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 213.168.125.60 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 190.116.87.4 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 183.91.72.10 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 46.225.241.134 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 173.45.228.73 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 31.47.250.238 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 96.44.145.175 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 119.186.160.86 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 177.66.210.65 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 94.41.29.30 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 122.72.33.138 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 201.200.162.46 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 175.103.58.55 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 84.38.68.107 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 198.27.114.24 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 110.153.9.242 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 93.186.66.144 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 27.124.82.18 - - [08/Oct/2012:20:14:42 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 206 "-" "-" 72.64.146.136 - - [08/Oct/2012:20:14:49 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 176.9.209.113 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-" 95.31.254.227 - - [08/Oct/2012:20:14:50 +0400] "POST /viewtopic.php?f=35&t=2089 HTTP/1.0" 503 2231 "-" "-"
Игровой сервер и веб сервер стоят в разных ДЦ, но данным личностям это особо не мешает.
Судя по полученной информации, атака была заказная, и блокировка казахстанского IP адреса длительного эффекта не принесет.
Прошу помощи у понимающего в данной области человека. Готов заплатить людям, которые готовы помочь.