Oct 10 21:18:22 mars sshd[11737]: Bad protocol version identification 'test' from 183.129.160.229 port 50149
Oct 10 21:32:00 mars sshd[14650]: Received disconnect from 124.232.156.78: 11: Bye Bye [preauth]
Oct
11 01:28:56 mars sshd[29033]: fatal: no matching cipher found: client
aes128-cbc,blowfish-cbc,3des-cbc server
aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com [preauth]
Oct 11 03:05:36 mars sshd[16159]: Did not receive identification string from 113.108.21.16
Oct 11 04:40:43 mars sshd[2440]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 04:43:11 mars sshd[2477]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 04:44:12 mars sshd[2482]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 04:45:11 mars sshd[2886]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 04:45:45 mars sshd[3419]: Received disconnect from 221.194.47.224: 11: [preauth]
Oct 11 04:52:32 mars sshd[4427]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 04:53:53 mars sshd[4433]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 04:56:15 mars sshd[5350]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 04:57:21 mars sshd[5384]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 04:57:52 mars sshd[5387]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 04:58:10 mars sshd[5390]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:02:36 mars sshd[6364]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 05:08:11 mars sshd[7341]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 05:09:53 mars sshd[7399]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 05:16:53 mars sshd[9285]: Received disconnect from 121.18.238.109: 11: [preauth]
Oct 11 05:18:51 mars sshd[9323]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 05:18:54 mars sshd[9325]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 05:25:45 mars sshd[11293]: Received disconnect from 221.194.47.224: 11: [preauth]
Oct 11 05:26:41 mars sshd[11297]: Received disconnect from 119.249.54.66: 11: [preauth]
Oct 11 05:29:04 mars sshd[11335]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:30:10 mars sshd[11717]: Received disconnect from 119.249.54.66: 11: [preauth]
Oct 11 05:31:35 mars sshd[12252]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:37:35 mars sshd[13232]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:40:48 mars sshd[14251]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:47:08 mars sshd[15236]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 05:51:46 mars sshd[16208]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:54:15 mars sshd[16266]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 05:57:01 mars sshd[17206]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 06:13:24 mars sshd[20155]: Connection closed by 221.194.47.208 [preauth]
Oct 11 06:16:53 mars sshd[21101]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 06:34:57 mars sshd[24362]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 06:40:53 mars sshd[26291]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 06:41:43 mars sshd[26296]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 06:41:58 mars sshd[26299]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 06:50:14 mars sshd[27709]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 07:55:39 mars sshd[8437]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 08:01:33 mars sshd[9618]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 08:03:14 mars sshd[9627]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 08:04:00 mars sshd[9632]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 10 21:18:22 mars sshd[11737]: Bad protocol version identification 'test' from 183.129.160.229 port 50149
Oct 10 21:32:00 mars sshd[14650]: Received disconnect from 124.232.156.78: 11: Bye Bye [preauth]
Oct
11 01:28:56 mars sshd[29033]: fatal: no matching cipher found: client
aes128-cbc,blowfish-cbc,3des-cbc server
aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com [preauth]
Oct 11 03:05:36 mars sshd[16159]: Did not receive identification string from 113.108.21.16
Oct 11 04:40:43 mars sshd[2440]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 04:43:11 mars sshd[2477]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 04:44:12 mars sshd[2482]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 04:45:11 mars sshd[2886]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 04:45:45 mars sshd[3419]: Received disconnect from 221.194.47.224: 11: [preauth]
Oct 11 04:52:32 mars sshd[4427]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 04:53:53 mars sshd[4433]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 04:56:15 mars sshd[5350]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 04:57:21 mars sshd[5384]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 04:57:52 mars sshd[5387]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 04:58:10 mars sshd[5390]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:02:36 mars sshd[6364]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 05:08:11 mars sshd[7341]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 05:09:53 mars sshd[7399]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 05:16:53 mars sshd[9285]: Received disconnect from 121.18.238.109: 11: [preauth]
Oct 11 05:18:51 mars sshd[9323]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 05:18:54 mars sshd[9325]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 05:25:45 mars sshd[11293]: Received disconnect from 221.194.47.224: 11: [preauth]
Oct 11 05:26:41 mars sshd[11297]: Received disconnect from 119.249.54.66: 11: [preauth]
Oct 11 05:29:04 mars sshd[11335]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:30:10 mars sshd[11717]: Received disconnect from 119.249.54.66: 11: [preauth]
Oct 11 05:31:35 mars sshd[12252]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:37:35 mars sshd[13232]: Received disconnect from 221.194.47.229: 11: [preauth]
Oct 11 05:40:48 mars sshd[14251]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:47:08 mars sshd[15236]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 05:51:46 mars sshd[16208]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 05:54:15 mars sshd[16266]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 05:57:01 mars sshd[17206]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 06:13:24 mars sshd[20155]: Connection closed by 221.194.47.208 [preauth]
Oct 11 06:16:53 mars sshd[21101]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 06:34:57 mars sshd[24362]: Received disconnect from 121.18.238.114: 11: [preauth]
Oct 11 06:40:53 mars sshd[26291]: Received disconnect from 119.249.54.68: 11: [preauth]
Oct 11 06:41:43 mars sshd[26296]: Received disconnect from 119.249.54.75: 11: [preauth]
Oct 11 06:41:58 mars sshd[26299]: Received disconnect from 221.194.47.249: 11: [preauth]
Oct 11 06:50:14 mars sshd[27709]: Received disconnect from 121.18.238.98: 11: [preauth]
Oct 11 07:55:39 mars sshd[8437]: Received disconnect from 119.249.54.88: 11: [preauth]
Oct 11 08:01:33 mars sshd[9618]: Received disconnect from 221.194.47.208: 11: [preauth]
Oct 11 08:03:14 mars sshd[9627]: Received disconnect from 121.18.238.104: 11: [preauth]
Oct 11 08:04:00 mars sshd[9632]: Received disconnect from 119.249.54.75: 11: [preauth]
Here is attacker IPs:
- 119.249.54.66
- 119.249.54.68
- 119.249.54.75
- 119.249.54.88
- 121.18.238.104
- 121.18.238.109
- 121.18.238.114
- 121.18.238.98
- 221.194.47.208
- 221.194.47.224
- 221.194.47.229
- 221.194.47.249
- 113.108.21.16
Oct 11 03:05:36 mars sshd[16159]: Did not receive identification string from 113.108.21.16 - 124.232.156.78
Oct 10 21:32:00 mars sshd[14650]: Received disconnect from 124.232.156.78 : 11: Bye Bye [preauth] - 183.129.160.229
Oct 11 03:05:36 mars sshd[16159]: Did not receive identification string from 113.108.21.16
No | Time | From | Method Auth | No | Time | From | Method Auth |
1 | 2016-10-11 4:40 | 121.18.238.114 | : 11: [preauth] | 21 | 2016-10-11 5:30 | 119.249.54.66 | : 11: [preauth] |
2 | 2016-10-11 4:43 | 119.249.54.75 | : 11: [preauth] | 22 | 2016-10-11 5:31 | 121.18.238.104 | : 11: [preauth] |
3 | 2016-10-11 4:44 | 221.194.47.208 | : 11: [preauth] | 23 | 2016-10-11 5:37 | 221.194.47.229 | : 11: [preauth] |
4 | 2016-10-11 4:45 | 221.194.47.229 | : 11: [preauth] | 24 | 2016-10-11 5:40 | 121.18.238.104 | : 11: [preauth] |
5 | 2016-10-11 4:45 | 221.194.47.224 | : 11: [preauth] | 25 | 2016-10-11 5:47 | 119.249.54.88 | : 11: [preauth] |
6 | 2016-10-11 4:52 | 221.194.47.249 | : 11: [preauth] | 26 | 2016-10-11 5:51 | 121.18.238.104 | : 11: [preauth] |
7 | 2016-10-11 4:53 | 121.18.238.98 | : 11: [preauth] | 27 | 2016-10-11 5:54 | 119.249.54.88 | : 11: [preauth] |
8 | 2016-10-11 4:56 | 119.249.54.68 | : 11: [preauth] | 28 | 2016-10-11 5:57 | 121.18.238.98 | : 11: [preauth] |
9 | 2016-10-11 4:57 | 221.194.47.208 | : 11: [preauth] | 29 | 2016-10-11 6:13 | 221.194.47.208 | [preauth] |
10 | 2016-10-11 4:57 | 121.18.238.104 | : 11: [preauth] | 30 | 2016-10-11 6:16 | 121.18.238.104 | : 11: [preauth] |
11 | 2016-10-11 4:58 | 221.194.47.229 | : 11: [preauth] | 31 | 2016-10-11 6:34 | 121.18.238.114 | : 11: [preauth] |
12 | 2016-10-11 5:02 | 221.194.47.249 | : 11: [preauth] | 32 | 2016-10-11 6:40 | 119.249.54.68 | : 11: [preauth] |
13 | 2016-10-11 5:08 | 221.194.47.249 | : 11: [preauth] | 33 | 2016-10-11 6:41 | 119.249.54.75 | : 11: [preauth] |
14 | 2016-10-11 5:09 | 119.249.54.68 | : 11: [preauth] | 34 | 2016-10-11 6:41 | 221.194.47.249 | : 11: [preauth] |
15 | 2016-10-11 5:16 | 121.18.238.109 | : 11: [preauth] | 35 | 2016-10-11 6:50 | 121.18.238.98 | : 11: [preauth] |
16 | 2016-10-11 5:18 | 119.249.54.75 | : 11: [preauth] | 36 | 2016-10-11 7:55 | 119.249.54.88 | : 11: [preauth] |
17 | 2016-10-11 5:18 | 121.18.238.114 | : 11: [preauth] | 37 | 2016-10-11 8:01 | 221.194.47.208 | : 11: [preauth] |
18 | 2016-10-11 5:25 | 221.194.47.224 | : 11: [preauth] | 38 | 2016-10-11 8:03 | 121.18.238.104 | : 11: [preauth] |
19 | 2016-10-11 5:26 | 119.249.54.66 | : 11: [preauth] | 39 | 2016-10-11 8:04 | 119.249.54.75 | : 11: [preauth] |
20 | 2016-10-11 5:29 | 221.194.47.229 | : 11: [preauth] |
For iptables:
# iptables -A INPUT -p tcp -m tcp --dport 22 -s 119.249.54.0/24 -j DROP
# iptables -A INPUT -p tcp -m tcp --dport 22 -s 121.18.238.0/24 -j DROP
# iptables -A INPUT -p tcp -m tcp --dport 22 -s 221.194.47.0/24 -j DROP
If you don't have business with them just block all incoming connection from them:
# iptables -A INPUT -s 119.249.54.0/24 -j DROP
# iptables -A INPUT -s 121.18.238.0/24 -j DROP
# iptables -A INPUT s 221.194.47.0/24 -j DROP
If you install ipset follow this to setup ipset, and download ipset to block ssh black list from here
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