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: 11-mar-2022 03:15:00 GMT-0500
Last attempt: 11-mar-2022 04:50:00 GMT-0500
Total attempts: 1371
11-Mar-2022 03:14:54 GMT-0500 5.161.87.163:59627 -> 129.236.226.191:5900 6 138
11-Mar-2022 03:14:54 GMT-0500 5.161.87.163:51300 -> 160.39.219.240:5900 6 138
11-Mar-2022 03:14:59 GMT-0500 5.161.87.163:55865 -> 160.39.236.83:5900 6 292
11-Mar-2022 03:14:56 GMT-0500 5.161.87.163:51562 -> 160.39.236.83:5900 6 138
11-Mar-2022 03:14:55 GMT-0500 5.161.87.163:51251 -> 129.236.226.191:5900 6 402
11-Mar-2022 03:14:55 GMT-0500 5.161.87.163:51290 -> 160.39.146.50:5900 6 540
11-Mar-2022 03:14:55 GMT-0500 5.161.87.163:62514 -> 160.39.7.43:5900 6 396
11-Mar-2022 03:14:56 GMT-0500 5.161.87.163:50977 -> 160.39.7.43:5900 6 292
11-Mar-2022 03:14:56 GMT-0500 5.161.87.163:50919 -> 129.236.226.191:5900 6 292
11-Mar-2022 03:14:55 GMT-0500 5.161.87.163:51412 -> 160.39.236.83:5900 6 436
11-Mar-2022 03:10:07 GMT-0500 5.161.87.163:57470 -> 129.236.226.191:5900 6 46
11-Mar-2022 03:10:06 GMT-0500 5.161.87.163:65064 -> 129.236.226.191:5900 6 46
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:54279 -> 160.39.236.83:5900 6 436
11-Mar-2022 03:15:03 GMT-0500 5.161.87.163:59681 -> 160.39.236.83:5900 6 194
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:54301 -> 160.39.146.50:5900 6 454
11-Mar-2022 03:15:08 GMT-0500 5.161.87.163:55607 -> 160.39.236.83:5900 6 148
11-Mar-2022 03:15:08 GMT-0500 5.161.87.163:54268 -> 129.236.226.191:5900 6 448
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:54329 -> 160.39.219.240:5900 6 436
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:54352 -> 160.39.180.239:5900 6 436
11-Mar-2022 03:15:08 GMT-0500 5.161.87.163:54213 -> 160.39.180.239:5900 6 292
11-Mar-2022 03:15:03 GMT-0500 5.161.87.163:55979 -> 160.39.180.239:5900 6 390
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:59310 -> 160.39.7.43:5900 6 194
11-Mar-2022 03:15:08 GMT-0500 5.161.87.163:62333 -> 160.39.146.50:5900 6 298
11-Mar-2022 03:15:05 GMT-0500 5.161.87.163:59098 -> 129.236.226.191:5900 6 338
11-Mar-2022 03:15:03 GMT-0500 5.161.87.163:55871 -> 160.39.7.43:5900 6 292
11-Mar-2022 03:15:03 GMT-0500 5.161.87.163:56007 -> 160.39.236.83:5900 6 390
11-Mar-2022 03:15:03 GMT-0500 5.161.87.163:55938 -> 129.236.226.191:5900 6 350
11-Mar-2022 03:15:12 GMT-0500 5.161.87.163:49801 -> 160.39.219.240:5900 6 194
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:55744 -> 129.236.226.191:5900 6 240
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:61998 -> 160.39.236.83:5900 6 194
11-Mar-2022 03:15:15 GMT-0500 5.161.87.163:49227 -> 160.39.219.240:5900 6 292
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:62501 -> 160.39.236.83:5900 6 384
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:62543 -> 160.39.7.43:5900 6 436
11-Mar-2022 03:15:12 GMT-0500 5.161.87.163:49763 -> 160.39.146.50:5900 6 298
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:62556 -> 160.39.180.239:5900 6 436
11-Mar-2022 03:15:12 GMT-0500 5.161.87.163:49922 -> 129.236.226.191:5900 6 454
11-Mar-2022 03:15:11 GMT-0500 5.161.87.163:62316 -> 160.39.219.240:5900 6 194
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:50119 -> 129.236.226.191:5900 6 448
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:64157 -> 160.39.219.240:5900 6 194
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:64153 -> 160.39.180.239:5900 6 194
11-Mar-2022 03:15:21 GMT-0500 5.161.87.163:50458 -> 160.39.236.83:5900 6 436
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:50319 -> 160.39.236.83:5900 6 338
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:64100 -> 160.39.146.50:5900 6 200
11-Mar-2022 03:15:19 GMT-0500 5.161.87.163:50405 -> 160.39.7.43:5900 6 292
11-Mar-2022 03:15:21 GMT-0500 5.161.87.163:64782 -> 160.39.146.50:5900 6 304
11-Mar-2022 03:15:27 GMT-0500 5.161.87.163:52635 -> 160.39.7.43:5900 6 92
11-Mar-2022 03:15:31 GMT-0500 5.161.87.163:57080 -> 160.39.7.43:5900 6 396
11-Mar-2022 03:15:27 GMT-0500 5.161.87.163:52646 -> 129.236.226.191:5900 6 394
11-Mar-2022 03:15:27 GMT-0500 5.161.87.163:52379 -> 160.39.236.83:5900 6 384
Attempts continue…
11-Mar-2022 04:29:26 GMT-0500 5.161.87.163:61687 -> 160.39.236.83:5900 6 240
11-Mar-2022 04:29:56 GMT-0500 5.161.87.163:58019 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:56 GMT-0500 5.161.87.163:57909 -> 129.236.226.191:5900 6 500
11-Mar-2022 04:29:27 GMT-0500 5.161.87.163:50116 -> 160.39.219.240:5900 6 338
11-Mar-2022 04:29:56 GMT-0500 5.161.87.163:58635 -> 160.39.7.43:5900 6 436
11-Mar-2022 04:29:27 GMT-0500 5.161.87.163:50054 -> 160.39.7.43:5900 6 402
11-Mar-2022 04:29:57 GMT-0500 5.161.87.163:57891 -> 160.39.236.83:5900 6 390
11-Mar-2022 04:29:57 GMT-0500 5.161.87.163:57750 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:57 GMT-0500 5.161.87.163:58934 -> 160.39.146.50:5900 6 338
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:64534 -> 160.39.219.240:5900 6 194
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:64570 -> 160.39.146.50:5900 6 200
11-Mar-2022 04:29:27 GMT-0500 5.161.87.163:50134 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:38 GMT-0500 5.161.87.163:65166 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:27 GMT-0500 5.161.87.163:50162 -> 160.39.146.50:5900 6 436
11-Mar-2022 04:29:27 GMT-0500 5.161.87.163:49361 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:39 GMT-0500 5.161.87.163:49440 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:39 GMT-0500 5.161.87.163:49874 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:29:26 GMT-0500 5.161.87.163:61784 -> 160.39.7.43:5900 6 402
11-Mar-2022 04:29:39 GMT-0500 5.161.87.163:63287 -> 160.39.7.43:5900 6 500
11-Mar-2022 04:29:28 GMT-0500 5.161.87.163:49980 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:28 GMT-0500 5.161.87.163:57171 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:29:29 GMT-0500 5.161.87.163:50257 -> 160.39.146.50:5900 6 504
11-Mar-2022 04:29:29 GMT-0500 5.161.87.163:57356 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:29:46 GMT-0500 5.161.87.163:64398 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:30 GMT-0500 5.161.87.163:57034 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:30 GMT-0500 5.161.87.163:57051 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:29:30 GMT-0500 5.161.87.163:57107 -> 160.39.7.43:5900 6 436
11-Mar-2022 04:29:39 GMT-0500 5.161.87.163:65504 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:31 GMT-0500 5.161.87.163:57410 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:29:31 GMT-0500 5.161.87.163:57026 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:29:31 GMT-0500 5.161.87.163:57104 -> 160.39.7.43:5900 6 454
11-Mar-2022 04:29:32 GMT-0500 5.161.87.163:56987 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:32 GMT-0500 5.161.87.163:63252 -> 160.39.146.50:5900 6 560
11-Mar-2022 04:29:32 GMT-0500 5.161.87.163:56853 -> 160.39.7.43:5900 6 454
11-Mar-2022 04:29:32 GMT-0500 5.161.87.163:57064 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:43 GMT-0500 5.161.87.163:64268 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:44 GMT-0500 5.161.87.163:64481 -> 129.236.226.191:5900 6 540
11-Mar-2022 04:29:44 GMT-0500 5.161.87.163:64302 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:44 GMT-0500 5.161.87.163:49470 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:44 GMT-0500 5.161.87.163:63483 -> 160.39.7.43:5900 6 454
11-Mar-2022 04:29:44 GMT-0500 5.161.87.163:64154 -> 129.236.226.191:5900 6 436
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:64652 -> 160.39.180.239:5900 6 390
11-Mar-2022 04:29:47 GMT-0500 5.161.87.163:63709 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:64601 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:63540 -> 160.39.146.50:5900 6 500
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:63824 -> 129.236.226.191:5900 6 402
11-Mar-2022 04:29:45 GMT-0500 5.161.87.163:64250 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:29:46 GMT-0500 5.161.87.163:64047 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:29:46 GMT-0500 5.161.87.163:64669 -> 129.236.226.191:5900 6 500
Attempts continue…
11-Mar-2022 04:45:18 GMT-0500 5.161.87.163:60830 -> 160.39.236.83:5900 6 46
11-Mar-2022 04:48:02 GMT-0500 5.161.87.163:51641 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:03 GMT-0500 5.161.87.163:51224 -> 160.39.7.43:5900 6 200
11-Mar-2022 04:48:03 GMT-0500 5.161.87.163:51788 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:48:03 GMT-0500 5.161.87.163:50963 -> 160.39.7.43:5900 6 454
11-Mar-2022 04:48:03 GMT-0500 5.161.87.163:50902 -> 129.236.226.191:5900 6 402
11-Mar-2022 04:48:03 GMT-0500 5.161.87.163:50937 -> 160.39.180.239:5900 6 390
11-Mar-2022 04:48:04 GMT-0500 5.161.87.163:50997 -> 160.39.7.43:5900 6 454
11-Mar-2022 04:48:05 GMT-0500 5.161.87.163:51252 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:05 GMT-0500 5.161.87.163:51329 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:48:05 GMT-0500 5.161.87.163:51210 -> 129.236.226.191:5900 6 436
11-Mar-2022 04:48:05 GMT-0500 5.161.87.163:51343 -> 160.39.7.43:5900 6 500
11-Mar-2022 04:48:06 GMT-0500 5.161.87.163:51278 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:48:06 GMT-0500 5.161.87.163:51174 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:07 GMT-0500 5.161.87.163:49298 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:48:07 GMT-0500 5.161.87.163:50878 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:08 GMT-0500 5.161.87.163:49543 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:48:08 GMT-0500 5.161.87.163:58531 -> 160.39.219.240:5900 6 390
11-Mar-2022 04:48:08 GMT-0500 5.161.87.163:51004 -> 129.236.226.191:5900 6 488
11-Mar-2022 04:48:09 GMT-0500 5.161.87.163:51148 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:09 GMT-0500 5.161.87.163:58543 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:48:09 GMT-0500 5.161.87.163:64962 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:14 GMT-0500 5.161.87.163:59225 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:14 GMT-0500 5.161.87.163:59323 -> 160.39.236.83:5900 6 436
11-Mar-2022 04:48:15 GMT-0500 5.161.87.163:64679 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:15 GMT-0500 5.161.87.163:64825 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:15 GMT-0500 5.161.87.163:64914 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:16 GMT-0500 5.161.87.163:59641 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:16 GMT-0500 5.161.87.163:59819 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:17 GMT-0500 5.161.87.163:58897 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:17 GMT-0500 5.161.87.163:64431 -> 160.39.146.50:5900 6 696
11-Mar-2022 04:48:17 GMT-0500 5.161.87.163:64818 -> 160.39.7.43:5900 6 500
11-Mar-2022 04:48:17 GMT-0500 5.161.87.163:64827 -> 129.236.226.191:5900 6 390
11-Mar-2022 04:48:18 GMT-0500 5.161.87.163:59839 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:23 GMT-0500 5.161.87.163:59064 -> 129.236.226.191:5900 6 436
11-Mar-2022 04:48:23 GMT-0500 5.161.87.163:65364 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:23 GMT-0500 5.161.87.163:58978 -> 129.236.226.191:5900 6 500
11-Mar-2022 04:48:24 GMT-0500 5.161.87.163:65314 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:24 GMT-0500 5.161.87.163:65346 -> 160.39.146.50:5900 6 454
11-Mar-2022 04:48:24 GMT-0500 5.161.87.163:60251 -> 160.39.7.43:5900 6 500
11-Mar-2022 04:48:24 GMT-0500 5.161.87.163:60366 -> 129.236.226.191:5900 6 448
11-Mar-2022 04:48:24 GMT-0500 5.161.87.163:60371 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:25 GMT-0500 5.161.87.163:58961 -> 129.236.226.191:5900 6 454
11-Mar-2022 04:48:25 GMT-0500 5.161.87.163:59021 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:26 GMT-0500 5.161.87.163:60338 -> 160.39.180.239:5900 6 436
11-Mar-2022 04:48:26 GMT-0500 5.161.87.163:58825 -> 160.39.7.43:5900 6 500
11-Mar-2022 04:48:26 GMT-0500 5.161.87.163:60422 -> 160.39.219.240:5900 6 436
11-Mar-2022 04:48:27 GMT-0500 5.161.87.163:60168 -> 160.39.180.239:5900 6 390
11-Mar-2022 04:48:27 GMT-0500 5.161.87.163:60230 -> 160.39.146.50:5900 6 454
Attempts continue…