Security Incidents mailing list archives

Re: Port 6112


From: stuart () SILICONDEFENSE COM (Stuart Staniford-Chen)
Date: Mon, 20 Mar 2000 16:35:52 +0000


Robert Graham wrote:

The game Diablo running on BattleNet servers will use this port.
http://www.battle.net/support/faq/mac.shtml

Are you seeing such things as "scans" or just a bunch of connection
attempts? Remember that if you dialup the Internet, you will likely get
"scanned" the moment you logon. What is really happening is that your have
inheritted the IP address of somebody else who was playing a game or
chatting. Some products are very agressively at trying to reestablish the
connection, so you may be getting TCP connection requests or UDP packets
even 20 minutes later.

Here's a piece of the scan detect for your reading pleasure.
xxx.xxx.xxx.xxx is the same IP throughout.  This from a source IP where
game playing is both likely and permitted.

Stuart.

 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1025 -> 216.35.27.7:6112 SYN **S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1026 -> 209.67.136.174:6112 SYN
**S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1028 -> 216.148.246.9:6112 SYN **S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1029 -> 209.67.136.172:6112 SYN
**S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1030 -> 206.79.254.192:6112 SYN
**S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1031 -> 209.67.136.170:6112 SYN
**S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1032 -> 64.14.113.138:6112 SYN **S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1033 -> 216.148.246.7:6112 SYN **S*****
 Mar 17 19:56:39 xxx.xxx.xxx.xxx:1034 -> 203.248.250.72:6112 SYN
**S*****
 Mar 17 19:56:40 xxx.xxx.xxx.xxx:6112 -> 216.148.246.8:6112 UDP
 Mar 17 19:56:41 xxx.xxx.xxx.xxx:1036 -> 216.148.246.8:6112 SYN **S*****
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 210.91.217.81:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 209.254.234.129:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 24.66.226.176:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 207.172.143.149:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 152.166.167.141:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 152.166.6.27:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 63.23.28.242:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 209.63.112.237:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 147.26.248.229:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 206.81.198.173:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 63.30.190.15:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 152.174.245.84:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 162.33.132.175:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 63.29.216.91:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 152.172.136.102:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 152.166.114.240:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 24.13.85.150:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 216.215.33.8:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 166.62.140.19:6112 UDP
 Mar 17 19:57:48 xxx.xxx.xxx.xxx:6112 -> 63.28.190.5:6112 UDP
 Mar 17 19:58:46 xxx.xxx.xxx.xxx:1037 -> 216.148.246.8:6112 SYN **S*****
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 209.254.234.129:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 4.4.176.126:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 24.48.139.29:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 152.166.167.141:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 207.30.21.65:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 24.66.150.3:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 63.24.200.1:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 207.144.97.163:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 24.68.38.20:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 204.244.206.15:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 63.28.138.45:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 216.100.155.178:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 209.180.136.227:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 216.190.205.32:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 156.56.120.210:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 63.23.230.23:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 207.172.126.130:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 199.174.210.189:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 24.1.208.102:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 171.209.98.248:6112 UDP
 Mar 17 19:58:47 xxx.xxx.xxx.xxx:6112 -> 208.15.98.230:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 128.59.4.139:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 209.161.233.253:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 63.28.93.129:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 209.90.240.62:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 63.178.66.43:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 171.219.112.186:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 209.156.14.185:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 152.205.42.226:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 152.173.141.208:6112 UDP
 Mar 17 19:58:58 xxx.xxx.xxx.xxx:6112 -> 24.94.233.78:6112 UDP
 Mar 17 19:58:59 xxx.xxx.xxx.xxx:6112 -> 24.48.139.29:6112 UDP
 Mar 17 19:59:01 xxx.xxx.xxx.xxx:6112 -> 24.48.139.29:6112 UDP
 Mar 17 19:59:03 xxx.xxx.xxx.xxx:6112 -> 210.117.124.96:6112 UDP
 Mar 17 19:59:03 xxx.xxx.xxx.xxx:6112 -> 24.48.139.29:6112 UDP
 Mar 17 19:59:04 xxx.xxx.xxx.xxx:6112 -> 24.94.233.78:6112 UDP
 Mar 17 19:59:05 xxx.xxx.xxx.xxx:6112 -> 24.94.233.78:6112 UDP
 Mar 17 19:59:05 xxx.xxx.xxx.xxx:6112 -> 199.174.147.52:6112 UDP
 Mar 17 19:59:07 xxx.xxx.xxx.xxx:6112 -> 24.94.233.78:6112 UDP
 Mar 17 19:59:07 xxx.xxx.xxx.xxx:6112 -> 199.174.147.52:6112 UDP
 Mar 17 19:59:11 xxx.xxx.xxx.xxx:6112 -> 24.94.233.78:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 24.1.171.77:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 63.14.172.234:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 24.95.246.202:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 24.13.68.73:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 216.107.148.69:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 24.7.242.214:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 209.156.241.136:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 171.216.212.180:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 209.204.142.163:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 207.176.153.207:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 63.17.37.57:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 209.161.233.253:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 152.201.172.22:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 152.205.42.226:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 209.90.240.62:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 63.28.93.129:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 171.219.112.186:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 63.178.66.43:6112 UDP
 Mar 17 19:59:12 xxx.xxx.xxx.xxx:6112 -> 209.156.14.185:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 209.182.157.145:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 171.211.85.160:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 208.13.25.48:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 204.164.170.122:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 161.184.196.247:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 152.175.196.47:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 216.165.144.86:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 171.218.216.152:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 171.215.2.124:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 205.164.144.115:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 152.171.3.140:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 24.115.4.193:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 24.161.36.113:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 63.210.72.125:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 63.11.218.188:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 24.188.60.37:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 205.164.240.137:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 152.167.165.111:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 38.30.31.2:6112 UDP
 Mar 17 20:04:24 xxx.xxx.xxx.xxx:6112 -> 209.66.35.42:6112 UDP
 Mar 17 20:04:27 xxx.xxx.xxx.xxx:6112 -> 4.54.115.150:6112 UDP
 Mar 17 20:04:27 xxx.xxx.xxx.xxx:6112 -> 206.133.209.107:6112 UDP
 Mar 17 20:04:27 xxx.xxx.xxx.xxx:6112 -> 206.107.145.215:6112 UDP
 Mar 17 20:04:27 xxx.xxx.xxx.xxx:6112 -> 208.32.28.112:6112 UDP


--
Stuart Staniford-Chen --- President --- Silicon Defense
                   stuart () silicondefense com
(707) 822-4588                     (707) 826-7571 (FAX)



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