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.163.87.161.5.clients.your-server.de
Address: 5.161.87.163
Incident type: 5900/tcp
First attempt: 16-mar-2022 03:35:00 GMT-0400
Last attempt: 16-mar-2022 05:10:00 GMT-0400
Total attempts: 1332
16-Mar-2022 03:34:54 GMT-0400 5.161.87.163:53741 -> 160.39.7.43:5900 6 252
16-Mar-2022 03:34:53 GMT-0400 5.161.87.163:53665 -> 209.2.226.217:5900 6 402
16-Mar-2022 03:34:53 GMT-0400 5.161.87.163:58602 -> 160.39.7.43:5900 6 356
16-Mar-2022 03:34:53 GMT-0400 5.161.87.163:58607 -> 160.39.180.239:5900 6 338
16-Mar-2022 03:34:54 GMT-0400 5.161.87.163:53737 -> 160.39.236.83:5900 6 240
16-Mar-2022 03:34:53 GMT-0400 5.161.87.163:58622 -> 160.39.219.240:5900 6 338
16-Mar-2022 03:34:53 GMT-0400 5.161.87.163:58627 -> 160.39.236.83:5900 6 240
16-Mar-2022 03:34:54 GMT-0400 5.161.87.163:53739 -> 160.39.219.240:5900 6 194
16-Mar-2022 03:30:05 GMT-0400 5.161.87.163:51450 -> 160.39.236.83:5900 6 46
16-Mar-2022 03:35:01 GMT-0400 5.161.87.163:56518 -> 160.39.146.50:5900 6 454
16-Mar-2022 03:35:02 GMT-0400 5.161.87.163:58575 -> 160.39.146.50:5900 6 304
16-Mar-2022 03:35:01 GMT-0400 5.161.87.163:53590 -> 160.39.219.240:5900 6 194
16-Mar-2022 03:35:06 GMT-0400 5.161.87.163:63798 -> 160.39.180.239:5900 6 240
16-Mar-2022 03:35:06 GMT-0400 5.161.87.163:63453 -> 160.39.7.43:5900 6 454
16-Mar-2022 03:35:01 GMT-0400 5.161.87.163:56566 -> 160.39.236.83:5900 6 436
16-Mar-2022 03:35:01 GMT-0400 5.161.87.163:56457 -> 160.39.180.239:5900 6 148
16-Mar-2022 03:35:09 GMT-0400 5.161.87.163:56833 -> 160.39.146.50:5900 6 200
16-Mar-2022 03:35:14 GMT-0400 5.161.87.163:51566 -> 160.39.236.83:5900 6 194
16-Mar-2022 03:35:09 GMT-0400 5.161.87.163:53311 -> 160.39.236.83:5900 6 194
16-Mar-2022 03:35:18 GMT-0400 5.161.87.163:51203 -> 160.39.146.50:5900 6 350
16-Mar-2022 03:35:23 GMT-0400 5.161.87.163:61884 -> 160.39.180.239:5900 6 138
16-Mar-2022 03:35:18 GMT-0400 5.161.87.163:56986 -> 160.39.146.50:5900 6 298
16-Mar-2022 03:35:25 GMT-0400 5.161.87.163:61761 -> 160.39.180.239:5900 6 246
16-Mar-2022 03:35:26 GMT-0400 5.161.87.163:58382 -> 160.39.146.50:5900 6 402
16-Mar-2022 03:35:25 GMT-0400 5.161.87.163:61046 -> 160.39.236.83:5900 6 338
16-Mar-2022 03:35:29 GMT-0400 5.161.87.163:49634 -> 209.2.226.217:5900 6 500
16-Mar-2022 03:35:33 GMT-0400 5.161.87.163:56206 -> 160.39.219.240:5900 6 138
16-Mar-2022 03:35:33 GMT-0400 5.161.87.163:56211 -> 160.39.236.83:5900 6 138
16-Mar-2022 03:35:38 GMT-0400 5.161.87.163:61074 -> 209.2.226.217:5900 6 144
16-Mar-2022 03:35:34 GMT-0400 5.161.87.163:56308 -> 160.39.146.50:5900 6 200
16-Mar-2022 03:35:38 GMT-0400 5.161.87.163:52343 -> 209.2.226.217:5900 6 402
16-Mar-2022 03:35:34 GMT-0400 5.161.87.163:56316 -> 160.39.219.240:5900 6 436
16-Mar-2022 03:35:34 GMT-0400 5.161.87.163:61104 -> 160.39.219.240:5900 6 390
16-Mar-2022 03:35:38 GMT-0400 5.161.87.163:61166 -> 160.39.219.240:5900 6 138
16-Mar-2022 03:35:42 GMT-0400 5.161.87.163:63192 -> 160.39.219.240:5900 6 292
16-Mar-2022 03:35:41 GMT-0400 5.161.87.163:51861 -> 209.2.226.217:5900 6 190
16-Mar-2022 03:35:45 GMT-0400 5.161.87.163:51965 -> 160.39.219.240:5900 6 240
16-Mar-2022 03:35:45 GMT-0400 5.161.87.163:60785 -> 160.39.146.50:5900 6 304
16-Mar-2022 03:35:42 GMT-0400 5.161.87.163:60849 -> 160.39.236.83:5900 6 240
16-Mar-2022 03:35:41 GMT-0400 5.161.87.163:52259 -> 160.39.146.50:5900 6 500
16-Mar-2022 03:35:41 GMT-0400 5.161.87.163:52273 -> 160.39.236.83:5900 6 436
16-Mar-2022 03:35:54 GMT-0400 5.161.87.163:49175 -> 160.39.7.43:5900 6 252
16-Mar-2022 03:35:54 GMT-0400 5.161.87.163:56307 -> 160.39.236.83:5900 6 138
16-Mar-2022 03:35:54 GMT-0400 5.161.87.163:65520 -> 160.39.146.50:5900 6 246
16-Mar-2022 03:35:54 GMT-0400 5.161.87.163:63298 -> 160.39.236.83:5900 6 390
16-Mar-2022 03:35:54 GMT-0400 5.161.87.163:63328 -> 160.39.146.50:5900 6 454
16-Mar-2022 03:35:55 GMT-0400 5.161.87.163:63362 -> 160.39.7.43:5900 6 500
16-Mar-2022 03:35:49 GMT-0400 5.161.87.163:56858 -> 160.39.146.50:5900 6 200
16-Mar-2022 03:35:51 GMT-0400 5.161.87.163:62799 -> 160.39.7.43:5900 6 298
Attempts continue…
16-Mar-2022 05:00:01 GMT-0400 5.161.87.163:65335 -> 160.39.7.43:5900 6 144
16-Mar-2022 05:00:01 GMT-0400 5.161.87.163:65312 -> 160.39.219.240:5900 6 92
16-Mar-2022 05:00:01 GMT-0400 5.161.87.163:65448 -> 160.39.7.43:5900 6 500
16-Mar-2022 05:00:01 GMT-0400 5.161.87.163:65452 -> 160.39.219.240:5900 6 436
16-Mar-2022 05:00:02 GMT-0400 5.161.87.163:65500 -> 160.39.236.83:5900 6 436
16-Mar-2022 05:00:02 GMT-0400 5.161.87.163:65513 -> 129.236.226.191:5900 6 488
16-Mar-2022 04:59:57 GMT-0400 5.161.87.163:49539 -> 160.39.7.43:5900 6 304
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:49764 -> 160.39.146.50:5900 6 304
16-Mar-2022 05:00:02 GMT-0400 5.161.87.163:65433 -> 160.39.180.239:5900 6 292
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:60261 -> 160.39.219.240:5900 6 292
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:60271 -> 160.39.180.239:5900 6 292
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:64989 -> 160.39.236.83:5900 6 194
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:64950 -> 129.236.226.191:5900 6 194
16-Mar-2022 04:59:58 GMT-0400 5.161.87.163:64970 -> 160.39.7.43:5900 6 246
16-Mar-2022 05:00:04 GMT-0400 5.161.87.163:60860 -> 160.39.236.83:5900 6 338
16-Mar-2022 05:00:08 GMT-0400 5.161.87.163:63848 -> 160.39.7.43:5900 6 454
16-Mar-2022 05:00:08 GMT-0400 5.161.87.163:63875 -> 160.39.219.240:5900 6 390
16-Mar-2022 05:00:04 GMT-0400 5.161.87.163:59116 -> 129.236.226.191:5900 6 240
16-Mar-2022 05:00:04 GMT-0400 5.161.87.163:59095 -> 160.39.236.83:5900 6 148
16-Mar-2022 05:00:04 GMT-0400 5.161.87.163:60731 -> 160.39.7.43:5900 6 454
16-Mar-2022 05:00:09 GMT-0400 5.161.87.163:55996 -> 129.236.226.191:5900 6 92
16-Mar-2022 05:00:04 GMT-0400 5.161.87.163:60764 -> 160.39.219.240:5900 6 240
16-Mar-2022 05:00:14 GMT-0400 5.161.87.163:51761 -> 129.236.226.191:5900 6 338
16-Mar-2022 05:00:14 GMT-0400 5.161.87.163:51686 -> 160.39.219.240:5900 6 240
16-Mar-2022 05:00:14 GMT-0400 5.161.87.163:52000 -> 160.39.146.50:5900 6 546
16-Mar-2022 05:00:12 GMT-0400 5.161.87.163:64822 -> 160.39.219.240:5900 6 436
16-Mar-2022 05:00:12 GMT-0400 5.161.87.163:64847 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:52399 -> 160.39.219.240:5900 6 292
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:51243 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:51260 -> 160.39.236.83:5900 6 436
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:53716 -> 129.236.226.191:5900 6 390
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:52666 -> 160.39.219.240:5900 6 390
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:52833 -> 160.39.180.239:5900 6 194
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:53807 -> 160.39.180.239:5900 6 390
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:54089 -> 160.39.146.50:5900 6 402
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:53388 -> 160.39.236.83:5900 6 390
16-Mar-2022 05:00:18 GMT-0400 5.161.87.163:63594 -> 160.39.219.240:5900 6 390
16-Mar-2022 05:00:19 GMT-0400 5.161.87.163:54068 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:00:19 GMT-0400 5.161.87.163:53130 -> 129.236.226.191:5900 6 390
16-Mar-2022 05:00:19 GMT-0400 5.161.87.163:53138 -> 160.39.236.83:5900 6 436
16-Mar-2022 05:00:19 GMT-0400 5.161.87.163:53061 -> 160.39.219.240:5900 6 436
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:52616 -> 129.236.226.191:5900 6 384
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:50668 -> 160.39.236.83:5900 6 338
16-Mar-2022 05:00:12 GMT-0400 5.161.87.163:64815 -> 129.236.226.191:5900 6 384
16-Mar-2022 05:00:15 GMT-0400 5.161.87.163:50708 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:00:12 GMT-0400 5.161.87.163:64833 -> 160.39.236.83:5900 6 240
16-Mar-2022 05:00:26 GMT-0400 5.161.87.163:52286 -> 129.236.226.191:5900 6 200
16-Mar-2022 05:00:26 GMT-0400 5.161.87.163:56311 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:00:22 GMT-0400 5.161.87.163:54854 -> 160.39.180.239:5900 6 292
Attempts continue…
16-Mar-2022 05:05:02 GMT-0400 5.161.87.163:54891 -> 160.39.146.50:5900 6 46
16-Mar-2022 05:10:04 GMT-0400 5.161.87.163:57995 -> 160.39.7.43:5900 6 350
16-Mar-2022 05:10:01 GMT-0400 5.161.87.163:62745 -> 160.39.219.240:5900 6 292
16-Mar-2022 05:10:01 GMT-0400 5.161.87.163:62741 -> 160.39.180.239:5900 6 292
16-Mar-2022 05:10:02 GMT-0400 5.161.87.163:50869 -> 160.39.146.50:5900 6 356
16-Mar-2022 05:10:04 GMT-0400 5.161.87.163:58056 -> 160.39.236.83:5900 6 194
16-Mar-2022 05:05:10 GMT-0400 5.161.87.163:64813 -> 129.236.226.191:5900 6 46
16-Mar-2022 05:10:06 GMT-0400 5.161.87.163:57592 -> 160.39.180.239:5900 6 338
16-Mar-2022 05:10:11 GMT-0400 5.161.87.163:50600 -> 160.39.219.240:5900 6 292
16-Mar-2022 05:10:11 GMT-0400 5.161.87.163:49464 -> 160.39.180.239:5900 6 292
16-Mar-2022 05:10:11 GMT-0400 5.161.87.163:51877 -> 160.39.7.43:5900 6 200
16-Mar-2022 05:10:07 GMT-0400 5.161.87.163:51224 -> 160.39.219.240:5900 6 292
16-Mar-2022 05:10:07 GMT-0400 5.161.87.163:51212 -> 160.39.180.239:5900 6 292
16-Mar-2022 05:10:19 GMT-0400 5.161.87.163:50481 -> 160.39.219.240:5900 6 240
16-Mar-2022 05:10:13 GMT-0400 5.161.87.163:49706 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:10:13 GMT-0400 5.161.87.163:49173 -> 160.39.219.240:5900 6 240
16-Mar-2022 05:10:19 GMT-0400 5.161.87.163:61567 -> 160.39.7.43:5900 6 454
16-Mar-2022 05:10:15 GMT-0400 5.161.87.163:61397 -> 160.39.7.43:5900 6 546
16-Mar-2022 05:10:13 GMT-0400 5.161.87.163:65502 -> 160.39.7.43:5900 6 200
16-Mar-2022 05:10:13 GMT-0400 5.161.87.163:51899 -> 160.39.146.50:5900 6 92
16-Mar-2022 05:10:19 GMT-0400 5.161.87.163:61507 -> 160.39.180.239:5900 6 390
16-Mar-2022 05:10:29 GMT-0400 5.161.87.163:52777 -> 160.39.180.239:5900 6 194
16-Mar-2022 05:10:25 GMT-0400 5.161.87.163:64675 -> 160.39.180.239:5900 6 194
16-Mar-2022 05:10:22 GMT-0400 5.161.87.163:60832 -> 160.39.180.239:5900 6 194
16-Mar-2022 05:10:25 GMT-0400 5.161.87.163:64516 -> 160.39.7.43:5900 6 200
16-Mar-2022 05:10:22 GMT-0400 5.161.87.163:60975 -> 160.39.146.50:5900 6 200
16-Mar-2022 05:10:29 GMT-0400 5.161.87.163:53894 -> 160.39.7.43:5900 6 304
16-Mar-2022 05:10:29 GMT-0400 5.161.87.163:52480 -> 160.39.219.240:5900 6 390
16-Mar-2022 05:10:29 GMT-0400 5.161.87.163:59974 -> 160.39.146.50:5900 6 190
16-Mar-2022 05:10:30 GMT-0400 5.161.87.163:53839 -> 160.39.7.43:5900 6 454
16-Mar-2022 05:10:22 GMT-0400 5.161.87.163:64372 -> 160.39.219.240:5900 6 194
16-Mar-2022 05:10:22 GMT-0400 5.161.87.163:50385 -> 160.39.7.43:5900 6 200
16-Mar-2022 05:10:30 GMT-0400 5.161.87.163:52540 -> 160.39.219.240:5900 6 246
16-Mar-2022 05:10:25 GMT-0400 5.161.87.163:60802 -> 160.39.7.43:5900 6 402
16-Mar-2022 05:10:30 GMT-0400 5.161.87.163:52639 -> 160.39.180.239:5900 6 338
16-Mar-2022 05:10:31 GMT-0400 5.161.87.163:52769 -> 160.39.7.43:5900 6 144
16-Mar-2022 05:10:31 GMT-0400 5.161.87.163:52506 -> 160.39.180.239:5900 6 194
16-Mar-2022 05:10:33 GMT-0400 5.161.87.163:52366 -> 160.39.180.239:5900 6 148
16-Mar-2022 05:10:32 GMT-0400 5.161.87.163:52533 -> 160.39.219.240:5900 6 436
16-Mar-2022 05:10:35 GMT-0400 5.161.87.163:57717 -> 129.236.226.191:5900 6 148
16-Mar-2022 05:10:35 GMT-0400 5.161.87.163:56666 -> 160.39.7.43:5900 6 546
16-Mar-2022 05:10:32 GMT-0400 5.161.87.163:52408 -> 129.236.226.191:5900 6 338
16-Mar-2022 05:10:43 GMT-0400 5.161.87.163:58949 -> 160.39.7.43:5900 6 92
16-Mar-2022 05:10:38 GMT-0400 5.161.87.163:56892 -> 160.39.180.239:5900 6 436
16-Mar-2022 05:10:43 GMT-0400 5.161.87.163:58578 -> 160.39.180.239:5900 6 338
16-Mar-2022 05:10:39 GMT-0400 5.161.87.163:57173 -> 160.39.236.83:5900 6 194
16-Mar-2022 05:10:38 GMT-0400 5.161.87.163:56665 -> 160.39.7.43:5900 6 500
16-Mar-2022 05:10:38 GMT-0400 5.161.87.163:55023 -> 160.39.146.50:5900 6 350
16-Mar-2022 05:10:39 GMT-0400 5.161.87.163:57329 -> 129.236.226.191:5900 6 338
Attempts continue…