This is an automated message from Columbia University IT Security. You are
receiving it because you are listed as the abuse contact in WHOIS for the machine
referred to below. This machine either attempted to gain unauthorized
access to one or more machines, or was scanning the network at Columbia
University.
It is possible that this alert is the result of a reflection attack against your network with a spoofed origin matching Columbia University’s network.
Details are provided below. Please take all necessary
steps to mitigate such attacks, or ignore this notice if this traffic is spoofed.
If you have received this message in error, or if this incident
reported is inappropriate, please contact security@columbia.edu
so that we can update our procedures. Please include the entire
body of this message.
Thank You.
Columbia University IT Security
security@columbia.edu
Name: static.57.77.181.135.clients.your-server.de
Address: 135.181.77.57
Incident type: 3389/tcp
First attempt: 27-dec-2020 17:25:00 GMT-0500
Last attempt: 27-dec-2020 17:30:00 GMT-0500
Total attempts: 956
27-Dec-2020 17:20:01 GMT-0500 135.181.77.57:42931 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:20:02 GMT-0500 135.181.77.57:43214 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:24:56 GMT-0500 135.181.77.57:52345 -> 128.59.180.83:3389 6 1138
27-Dec-2020 17:25:02 GMT-0500 135.181.77.57:58913 -> 128.59.179.202:3389 6 46
27-Dec-2020 17:25:02 GMT-0500 135.181.77.57:1161 -> 128.59.207.80:3389 6 1157
27-Dec-2020 17:24:56 GMT-0500 135.181.77.57:53490 -> 128.59.146.172:3389 6 2551
27-Dec-2020 17:24:55 GMT-0500 135.181.77.57:51506 -> 128.59.179.202:3389 6 1976
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:59732 -> 128.59.146.172:3389 6 374
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:2766 -> 128.59.146.172:3389 6 2551
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:2139 -> 128.59.87.212:3389 6 1062
27-Dec-2020 17:24:50 GMT-0500 135.181.77.57:44799 -> 128.59.178.247:3389 6 1060
27-Dec-2020 17:24:59 GMT-0500 135.181.77.57:55881 -> 128.59.207.80:3389 6 1986
27-Dec-2020 17:24:59 GMT-0500 135.181.77.57:56764 -> 128.59.154.100:3389 6 1766
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:57996 -> 128.59.180.83:3389 6 276
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:1544 -> 128.59.160.191:3389 6 374
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:3536 -> 128.59.160.191:3389 6 1946
27-Dec-2020 17:20:06 GMT-0500 135.181.77.57:48844 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:25:06 GMT-0500 135.181.77.57:6663 -> 128.59.87.212:3389 6 1584
27-Dec-2020 17:25:06 GMT-0500 135.181.77.57:4875 -> 128.59.146.172:3389 6 46
27-Dec-2020 17:25:09 GMT-0500 135.181.77.57:10548 -> 128.59.179.202:3389 6 1966
27-Dec-2020 17:25:12 GMT-0500 135.181.77.57:12275 -> 128.59.207.80:3389 6 328
27-Dec-2020 17:25:07 GMT-0500 135.181.77.57:6092 -> 128.59.154.100:3389 6 276
27-Dec-2020 17:25:07 GMT-0500 135.181.77.57:8126 -> 128.59.154.100:3389 6 1842
27-Dec-2020 17:25:07 GMT-0500 135.181.77.57:3469 -> 128.59.180.83:3389 6 276
27-Dec-2020 17:25:10 GMT-0500 135.181.77.57:11311 -> 128.59.87.212:3389 6 1130
27-Dec-2020 17:25:07 GMT-0500 135.181.77.57:8229 -> 128.59.180.83:3389 6 1673
27-Dec-2020 17:25:10 GMT-0500 135.181.77.57:9731 -> 128.59.160.191:3389 6 46
27-Dec-2020 17:25:10 GMT-0500 135.181.77.57:10200 -> 128.59.154.100:3389 6 276
27-Dec-2020 17:25:10 GMT-0500 135.181.77.57:5322 -> 128.59.178.95:3389 6 230
27-Dec-2020 17:25:10 GMT-0500 135.181.77.57:10044 -> 128.59.207.80:3389 6 328
27-Dec-2020 17:20:14 GMT-0500 135.181.77.57:58046 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:20:18 GMT-0500 135.181.77.57:51923 -> 129.236.161.200:3389 6 48
27-Dec-2020 17:20:21 GMT-0500 135.181.77.57:4103 -> 129.236.161.200:3389 6 52
27-Dec-2020 17:25:21 GMT-0500 135.181.77.57:25255 -> 128.59.207.80:3389 6 2761
27-Dec-2020 17:25:12 GMT-0500 135.181.77.57:14403 -> 128.59.207.80:3389 6 2758
27-Dec-2020 17:25:12 GMT-0500 135.181.77.57:13717 -> 128.59.87.212:3389 6 1020
27-Dec-2020 17:25:12 GMT-0500 135.181.77.57:14167 -> 128.59.179.202:3389 6 1787
27-Dec-2020 17:25:12 GMT-0500 135.181.77.57:13855 -> 128.59.160.191:3389 6 1155
27-Dec-2020 17:25:14 GMT-0500 135.181.77.57:16198 -> 128.59.154.100:3389 6 974
27-Dec-2020 17:25:21 GMT-0500 135.181.77.57:25665 -> 128.59.179.202:3389 6 1550
27-Dec-2020 17:25:22 GMT-0500 135.181.77.57:27263 -> 128.59.146.172:3389 6 2551
27-Dec-2020 17:25:15 GMT-0500 135.181.77.57:15938 -> 128.59.87.212:3389 6 230
27-Dec-2020 17:25:25 GMT-0500 135.181.77.57:29692 -> 128.59.180.83:3389 6 1178
27-Dec-2020 17:25:25 GMT-0500 135.181.77.57:29279 -> 128.59.146.172:3389 6 1091
27-Dec-2020 17:25:25 GMT-0500 135.181.77.57:30424 -> 128.59.154.100:3389 6 1768
27-Dec-2020 17:25:25 GMT-0500 135.181.77.57:30479 -> 128.59.207.80:3389 6 1896
27-Dec-2020 17:25:28 GMT-0500 135.181.77.57:34601 -> 128.59.207.80:3389 6 1948
27-Dec-2020 17:25:28 GMT-0500 135.181.77.57:32547 -> 128.59.207.80:3389 6 328
27-Dec-2020 17:25:25 GMT-0500 135.181.77.57:28769 -> 128.59.179.202:3389 6 46
Attempts continue…
27-Dec-2020 17:29:56 GMT-0500 135.181.77.57:12862 -> 128.59.160.191:3389 6 1534
27-Dec-2020 17:29:56 GMT-0500 135.181.77.57:12744 -> 128.59.207.80:3389 6 2032
27-Dec-2020 17:29:58 GMT-0500 135.181.77.57:15728 -> 128.59.179.202:3389 6 1905
27-Dec-2020 17:29:59 GMT-0500 135.181.77.57:16838 -> 128.59.207.80:3389 6 2758
27-Dec-2020 17:29:57 GMT-0500 135.181.77.57:14834 -> 128.59.160.191:3389 6 1894
27-Dec-2020 17:29:57 GMT-0500 135.181.77.57:14992 -> 128.59.154.100:3389 6 1784
27-Dec-2020 17:25:02 GMT-0500 135.181.77.57:2319 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:25:02 GMT-0500 135.181.77.57:2552 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:25:03 GMT-0500 135.181.77.57:3065 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:30:07 GMT-0500 135.181.77.57:27241 -> 128.59.154.100:3389 6 1740
27-Dec-2020 17:30:07 GMT-0500 135.181.77.57:27246 -> 128.59.160.191:3389 6 1894
27-Dec-2020 17:30:01 GMT-0500 135.181.77.57:18002 -> 128.59.104.64:3389 6 374
27-Dec-2020 17:30:04 GMT-0500 135.181.77.57:21467 -> 128.59.179.202:3389 6 276
27-Dec-2020 17:30:01 GMT-0500 135.181.77.57:19884 -> 128.59.146.172:3389 6 2366
27-Dec-2020 17:30:01 GMT-0500 135.181.77.57:19483 -> 128.59.87.212:3389 6 1144
27-Dec-2020 17:30:04 GMT-0500 135.181.77.57:23117 -> 128.59.154.100:3389 6 1058
27-Dec-2020 17:30:04 GMT-0500 135.181.77.57:23071 -> 128.59.160.191:3389 6 1298
27-Dec-2020 17:30:01 GMT-0500 135.181.77.57:18091 -> 128.59.179.202:3389 6 230
27-Dec-2020 17:25:09 GMT-0500 135.181.77.57:6719 -> 129.236.161.200:3389 6 100
27-Dec-2020 17:30:09 GMT-0500 135.181.77.57:28054 -> 128.59.146.172:3389 6 46
27-Dec-2020 17:30:15 GMT-0500 135.181.77.57:35016 -> 128.59.104.64:3389 6 328
27-Dec-2020 17:30:10 GMT-0500 135.181.77.57:28682 -> 128.59.87.212:3389 6 230
27-Dec-2020 17:30:11 GMT-0500 135.181.77.57:32835 -> 128.59.178.95:3389 6 1874
27-Dec-2020 17:30:10 GMT-0500 135.181.77.57:30238 -> 128.59.207.80:3389 6 1986
27-Dec-2020 17:30:10 GMT-0500 135.181.77.57:30368 -> 128.59.178.95:3389 6 1030
27-Dec-2020 17:30:16 GMT-0500 135.181.77.57:38299 -> 128.59.146.172:3389 6 2583
27-Dec-2020 17:30:10 GMT-0500 135.181.77.57:30418 -> 128.59.104.64:3389 6 1986
27-Dec-2020 17:30:11 GMT-0500 135.181.77.57:32920 -> 128.59.104.64:3389 6 2761
27-Dec-2020 17:25:21 GMT-0500 135.181.77.57:25170 -> 128.59.179.202:3389 6 133
27-Dec-2020 17:25:21 GMT-0500 135.181.77.57:25393 -> 128.59.179.202:3389 6 185
27-Dec-2020 17:30:17 GMT-0500 135.181.77.57:39550 -> 128.59.160.191:3389 6 1344
27-Dec-2020 17:30:17 GMT-0500 135.181.77.57:39771 -> 128.59.87.212:3389 6 1783
27-Dec-2020 17:30:21 GMT-0500 135.181.77.57:44773 -> 128.59.87.212:3389 6 1741
27-Dec-2020 17:30:17 GMT-0500 135.181.77.57:40279 -> 128.59.146.172:3389 6 2551
27-Dec-2020 17:30:18 GMT-0500 135.181.77.57:38651 -> 128.59.207.80:3389 6 328
27-Dec-2020 17:30:11 GMT-0500 135.181.77.57:32724 -> 128.59.178.247:3389 6 1872
27-Dec-2020 17:30:18 GMT-0500 135.181.77.57:40722 -> 128.59.207.80:3389 6 2709
27-Dec-2020 17:30:16 GMT-0500 135.181.77.57:37856 -> 128.59.104.64:3389 6 2427
27-Dec-2020 17:30:18 GMT-0500 135.181.77.57:40843 -> 128.59.104.64:3389 6 2718
27-Dec-2020 17:25:26 GMT-0500 135.181.77.57:31440 -> 128.59.179.202:3389 6 133
27-Dec-2020 17:30:27 GMT-0500 135.181.77.57:51682 -> 128.59.154.100:3389 6 926
27-Dec-2020 17:30:25 GMT-0500 135.181.77.57:50168 -> 128.59.207.80:3389 6 2709
27-Dec-2020 17:30:27 GMT-0500 135.181.77.57:52346 -> 128.59.207.80:3389 6 2758
27-Dec-2020 17:30:27 GMT-0500 135.181.77.57:52718 -> 128.59.104.64:3389 6 1978
27-Dec-2020 17:30:26 GMT-0500 135.181.77.57:50440 -> 128.59.146.172:3389 6 1981
27-Dec-2020 17:30:32 GMT-0500 135.181.77.57:57858 -> 128.59.160.191:3389 6 1093
27-Dec-2020 17:30:32 GMT-0500 135.181.77.57:56642 -> 128.59.146.172:3389 6 374
27-Dec-2020 17:30:32 GMT-0500 135.181.77.57:58522 -> 128.59.146.172:3389 6 2551
27-Dec-2020 17:30:33 GMT-0500 135.181.77.57:59633 -> 128.59.154.100:3389 6 924
Attempts continue…
