【手口】実際に辞書アタックってこういう感じ!


 

185.17.1.248のIPからのアタックをgrepかけた結果である。

○ちなみにアタックしてきているIPはロシアのモスクワからはるばる海を越えてやってきてます。

whoisをひくと、いかのプロバイダからやってきている事が確認できます。

うぜーな!

 

○送信テストをしてもて、オープンリレーになっていないかをチェックしていますね。

NOQUEUE: reject: RCPT from unknown[185.17.1.248]: 554 5.7.1 <unknown[185.17.1.248]>: Client host rejected: Access denied;

○辞書アタックってどういうログをはくのか!?不明な方もいらっしゃると思うので一例を下記の通り実際のログを掲載してみました。

ざーっと、思いつく文言でユーザがいるかいないかをチェックしていますね。

ユーザがいると、パスワードを求められるので、次のステップとしては

そのユーザへの辞書クラックを始める訳です。

Oct 18 05:28:59 [809] : auth failure: [user=service] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 05:33:46 [812] : auth failure: [user=agent] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 05:43:35 [809] : auth failure: [user=contact] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 05:47:38 [809] : auth failure: [user=service] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 05:51:59 [812] : auth failure: [user=agent] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:04:06 [812] : auth failure: [user=spam] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:08:03 [812] : auth failure: [user=video] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:22:43 [812] : auth failure: [user=spam] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:26:07 [812] : auth failure: [user=video] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:30:00 [812] : auth failure: [user=contact] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:42:14 [812] : auth failure: [user=sekretariat] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 06:57:37 [812] : auth failure: [user=contakt] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:00:23 [812] : auth failure: [user=sekretariat] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:16:15 [812] : auth failure: [user=contact] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:16:26 [812] : auth failure: [user=secretaria] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:32:37 [812] : auth failure: [user=sales] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:34:39 [812] : auth failure: [user=secretaria] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:48:56 [812] : auth failure: [user=exit] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:50:42 [812] : auth failure: [user=webmaster] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 07:58:54 [812] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:02:18 [812] : auth failure: [user=contact] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:08:55 [812] : auth failure: [user=webmaster] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:23:46 [812] : auth failure: [user=education] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:24:56 [812] : auth failure: [user=baseball] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:43:04 [812] : auth failure: [user=baseball] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:58:30 [812] : auth failure: [user=fax] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 08:59:07 [812] : auth failure: [user=backup] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 09:16:53 [812] : auth failure: [user=fax] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 09:17:17 [812] : auth failure: [user=backup] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 09:33:29 [812] : auth failure: [user=backuppc] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 09:51:39 [812] : auth failure: [user=formation] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 09:51:47 [812] : auth failure: [user=backuppc] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:07:50 [812] : auth failure: [user=badmin] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:07:57 [809] : auth failure: [user=general] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:26:02 [809] : auth failure: [user=badmin] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:42:09 [809] : auth failure: [user=bank] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:42:38 [812] : auth failure: [user=guest] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 10:55:00 [812] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:00:27 [812] : auth failure: [user=bank] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:01:04 [809] : auth failure: [user=guest] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:16:42 [809] : auth failure: [user=billing] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:35:03 [809] : auth failure: [user=billing] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:35:43 [809] : auth failure: [user=sample] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:51:08 [809] : auth failure: [user=biblioteca] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 11:52:11 [812] : auth failure: [user=sales01] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:09:27 [812] : auth failure: [user=biblioteca] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:10:29 [812] : auth failure: [user=sales01] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:25:33 [812] : auth failure: [user=blink] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:43:53 [812] : auth failure: [user=blink] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:45:15 [812] : auth failure: [user=sales1] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 12:59:50 [812] : auth failure: [user=blog] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:18:09 [812] : auth failure: [user=blog] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:20:01 [812] : auth failure: [user=score] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:27:03 [812] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:34:21 [812] : auth failure: [user=bo] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:36:15 [812] : auth failure: [user=scores] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:52:48 [812] : auth failure: [user=bo] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 13:54:41 [812] : auth failure: [user=scores] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 14:09:04 [812] : auth failure: [user=boffice] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 14:11:01 [812] : auth failure: [user=scan] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 14:27:24 [812] : auth failure: [user=boffice] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 14:43:37 [812] : auth failure: [user=book] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:02:01 [812] : auth failure: [user=book] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:04:18 [812] : auth failure: [user=scanner] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:18:15 [812] : auth failure: [user=box] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:36:41 [812] : auth failure: [user=box] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:53:02 [812] : auth failure: [user=business] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 15:55:25 [809] : auth failure: [user=send] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:11:34 [809] : auth failure: [user=business] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:13:59 [809] : auth failure: [user=send] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:24:09 [809] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:27:47 [809] : auth failure: [user=buster] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:30:12 [809] : auth failure: [user=setting] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 16:46:06 [809] : auth failure: [user=buster] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 17:02:23 [809] : auth failure: [user=cache] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 17:20:43 [809] : auth failure: [user=cache] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 17:36:55 [812] : auth failure: [user=captured] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 17:55:19 [812] : auth failure: [user=captured] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 17:58:27 [812] : auth failure: [user=root] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:11:22 [812] : auth failure: [user=captures] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:14:49 [812] : auth failure: [user=hr] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:29:44 [812] : auth failure: [user=captures] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:33:16 [812] : auth failure: [user=hr] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:46:00 [812] : auth failure: [user=ceo] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 18:56:20 [812] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:04:24 [812] : auth failure: [user=ceo] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:08:10 [812] : auth failure: [user=info] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:20:35 [812] : auth failure: [user=checkin] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:24:21 [812] : auth failure: [user=intern] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:38:56 [812] : auth failure: [user=checkin] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:42:47 [812] : auth failure: [user=intern] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 19:55:17 [812] : auth failure: [user=checkout] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 20:13:46 [809] : auth failure: [user=checkout] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 20:30:02 [809] : auth failure: [user=chief] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 20:48:29 [809] : auth failure: [user=chief] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 20:52:16 [809] : auth failure: [user=library] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:04:43 [809] : auth failure: [user=clamav] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:08:34 [812] : auth failure: [user=monitor] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:22:53 [812] : auth failure: [user=clamav] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:26:47 [809] : auth failure: [user=monitor] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:38:44 [809] : auth failure: [user=clerk] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:42:47 [812] : auth failure: [user=newsletter] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:53:10 [812] : auth failure: [user=admin] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 21:56:38 [812] : auth failure: [user=clerk] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:00:56 [812] : auth failure: [user=newsletter] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:12:06 [812] : auth failure: [user=client] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:16:57 [809] : auth failure: [user=office] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:30:02 [809] : auth failure: [user=client] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:35:13 [809] : auth failure: [user=office] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:45:51 [809] : auth failure: [user=communication] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:51:11 [809] : auth failure: [user=reception] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 22:59:17 [812] : auth failure: [user=rurineko] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:03:45 [812] : auth failure: [user=communication] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:09:33 [812] : auth failure: [user=reception] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:19:31 [812] : auth failure: [user=com] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:37:31 [812] : auth failure: [user=com] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:43:39 [812] : auth failure: [user=user01] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:53:20 [809] : auth failure: [user=couple] [service=smtp] [realm=mx.a.com] [mech=shadow] [reason=Unknown]
Oct 18 23:59:56 [809] : auth failure: [user=user1] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 05:14:44 [809] : auth failure: [user=abuse] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 08:51:19 [812] : auth failure: [user=abuse] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 12:30:09 [809] : auth failure: [user=abuse] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 15:24:00 [812] : auth failure: [user=gomi] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 16:11:32 [809] : auth failure: [user=abuse] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 19:54:52 [809] : auth failure: [user=abuse] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 19 23:34:31 [812] : auth failure: [user=test] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 20 02:09:38 [780] : auth failure: [user=test] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 20 10:33:26 [782] : auth failure: [user=asdgas] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 20 10:33:53 [780] : auth failure: [user=asdgas] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 22 00:11:48 [782] : auth failure: [user=noauth] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:51 [780] : auth failure: [user=spam] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:53 [782] : auth failure: [user=test] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:54 [782] : auth failure: [user=noauth] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:56 [782] : auth failure: [user=info] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:57 [782] : auth failure: [user=spam] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:11:58 [782] : auth failure: [user=admin] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:00 [782] : auth failure: [user=test] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:01 [782] : auth failure: [user=administrator] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:03 [782] : auth failure: [user=info] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:03 [782] : auth failure: [user=mail] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:05 [780] : auth failure: [user=admin] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:06 [780] : auth failure: [user=postmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:08 [780] : auth failure: [user=administrator] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:09 [780] : auth failure: [user=sales] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:10 [780] : auth failure: [user=mail] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:11 [782] : auth failure: [user=support] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:13 [782] : auth failure: [user=postmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:14 [782] : auth failure: [user=webmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:16 [782] : auth failure: [user=sales] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:16 [782] : auth failure: [user=help] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:18 [782] : auth failure: [user=support] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:19 [782] : auth failure: [user=contact] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:21 [782] : auth failure: [user=webmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:21 [782] : auth failure: [user=office] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:23 [782] : auth failure: [user=help] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:24 [782] : auth failure: [user=staff] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:26 [782] : auth failure: [user=contact] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:26 [782] : auth failure: [user=news] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:29 [782] : auth failure: [user=office] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:29 [782] : auth failure: [user=careers] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:31 [782] : auth failure: [user=staff] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:32 [782] : auth failure: [user=fax] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:34 [782] : auth failure: [user=news] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:34 [782] : auth failure: [user=abuse] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:37 [782] : auth failure: [user=careers] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:37 [782] : auth failure: [user=hostmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:39 [782] : auth failure: [user=fax] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:39 [782] : auth failure: [user=noreply] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:42 [782] : auth failure: [user=abuse] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:42 [782] : auth failure: [user=pop3] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:44 [782] : auth failure: [user=hostmaster] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:45 [782] : auth failure: [user=sysadmin] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:47 [782] : auth failure: [user=noreply] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:47 [782] : auth failure: [user=web] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:50 [782] : auth failure: [user=pop3] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:50 [782] : auth failure: [user=www] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:52 [782] : auth failure: [user=sysadmin] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:55 [782] : auth failure: [user=web] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 00:12:57 [782] : auth failure: [user=www] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 22 22:12:13 [782] : auth failure: [user=muietrista] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 22 22:13:03 [780] : auth failure: [user=muietrista] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 23 02:08:21 [782] : auth failure: [user=admin] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 23 02:09:19 [780] : auth failure: [user=administrator] [service=smtp] [realm=] [mech=shadow] [reason=Unknown]
Oct 23 03:59:31 [780] : auth failure: [user=test] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]
Oct 23 13:07:12 [780] : auth failure: [user=gomi] [service=smtp] [realm=a.com] [mech=shadow] [reason=Unknown]


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