Security Basics mailing list archives

Re: Server Compromised ?


From: xyberpix <xyberpix () xyberpix com>
Date: Sun, 29 Jan 2006 13:41:53 +0000

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Hash: SHA1

What I'd suggest on this one is running a sniffer for a little while on against all traffic to the server in question, and see what sort of data is coming in/going out. You may be able to gleam some more information from that.

Mail me off list if you'd like.


xyberpix

Blog: http://blogs.securiteam.com



On 26 Jan 2006, at 18:08, Daniel Gil wrote:


Iam a bit confused.

I have got two servers (let's say server A 123.123.123.123 & server B

123.123.123.124) behind my ISP firewall.

Both are W2k, and if I run 'netstat -an' I get similar results:

Server A

  Proto  Direccin local        Direccin remota       Estado
  TCP    0.0.0.0:25             0.0.0.0:0              LISTENING
  TCP    0.0.0.0:80             0.0.0.0:0              LISTENING
  TCP    0.0.0.0:110            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:554            0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1044           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1057           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1058           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1059           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1061           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1063           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1065           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1068           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1080           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1082           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1085           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1097           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1098           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1102           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1144           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1148           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1149           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1150           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1162           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1171           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1172           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1177           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1178           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1179           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1186           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1187           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1352           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:1503           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:2751           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3584           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3587           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3591           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3601           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3604           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3607           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3612           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3615           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3619           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3622           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3627           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3630           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3635           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3638           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3645           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3648           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:3649           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:8081           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:9093           0.0.0.0:0              LISTENING
  TCP    0.0.0.0:63148          0.0.0.0:0              LISTENING
  TCP    127.0.0.1:1057         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1058         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1059         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1061         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1063         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1065         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1068         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1080         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1082         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1085         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1097         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1102         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1144         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1148         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1149         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1162         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1177         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1178         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1179         127.0.0.1:9092         ESTABLISHED
  TCP    127.0.0.1:1186         127.0.0.1:1187         ESTABLISHED
  TCP    127.0.0.1:1187         127.0.0.1:1186         ESTABLISHED
  TCP    127.0.0.1:9092         0.0.0.0:0              LISTENING
  TCP    127.0.0.1:9092         127.0.0.1:1057         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1058         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1059         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1061         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1063         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1065         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1068         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1080         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1082         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1085         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1097         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1102         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1144         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1148         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1149         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1162         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1177         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1178         ESTABLISHED
  TCP    127.0.0.1:9092         127.0.0.1:1179         ESTABLISHED
  TCP    127.0.0.1:9094         0.0.0.0:0              LISTENING
  TCP    127.0.0.1:12025        0.0.0.0:0              LISTENING
  TCP    127.0.0.1:12080        0.0.0.0:0              LISTENING
  TCP    127.0.0.1:12110        0.0.0.0:0              LISTENING
  TCP    127.0.0.1:12119        0.0.0.0:0              LISTENING
  TCP    127.0.0.1:12143        0.0.0.0:0              LISTENING
  TCP    123.123.123.123:25        201.255.40.183:62323   TIME_WAIT
  TCP    123.123.123.123:80        200.61.53.112:1492     FIN_WAIT_2
  TCP    123.123.123.123:80        200.114.226.119:6686   TIME_WAIT
  TCP    123.123.123.123:80        200.114.226.119:8151   TIME_WAIT
  TCP    123.123.123.123:80        200.114.226.119:8229   TIME_WAIT
  TCP    123.123.123.123:80        201.216.221.177:2285   TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3370    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3390    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3420    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3422    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3424    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3435    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3441    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3444    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3492    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3537    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3545    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3567    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3579    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3593    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3600    TIME_WAIT
  TCP    123.123.123.123:80        201.252.128.57:3628    TIME_WAIT
TCP 123.123.123.123:1150 123.123.123.123:8083 ESTABLISHED TCP 123.123.123.123:1171 123.123.123.123:9093 ESTABLISHED TCP 123.123.123.123:1172 123.123.123.123:9093 ESTABLISHED TCP 123.123.123.123:1352 123.123.123.123:2751 ESTABLISHED TCP 123.123.123.123:2751 123.123.123.123:1352 ESTABLISHED
  TCP    123.123.123.123:8083      0.0.0.0:0              LISTENING
TCP 123.123.123.123:8083 123.123.123.123:1150 ESTABLISHED TCP 123.123.123.123:9093 123.123.123.123:1171 ESTABLISHED TCP 123.123.123.123:9093 123.123.123.123:1172 ESTABLISHED
  UDP    123.123.123.123:500       *:*



SERVER B

<Some entries are lost>

 TCP    0.0.0.0:1211           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1212           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1213           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1214           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1215           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1216           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1217           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1218           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1219           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1220           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1221           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1222           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1223           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1224           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1225           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1226           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1227           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1228           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1229           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1230           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1231           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1232           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1233           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1234           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1235           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1236           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1237           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1238           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1239           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1240           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1241           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1242           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1243           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1244           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1245           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1246           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1247           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1248           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1249           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1250           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1251           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1252           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1253           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1254           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1255           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1256           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1257           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1258           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1259           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1260           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1261           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1262           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1263           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1265           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1266           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1267           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1268           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1269           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1270           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1271           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1272           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1273           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1274           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1275           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1276           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1277           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1278           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1279           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1280           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1281           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1282           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1283           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1352           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1503           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1516           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1533           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1928           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:1980           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2278           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2283           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2284           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2285           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2289           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2298           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:2443           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:3525           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:3527           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:3750           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:4061           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:4144           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:4145           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:4146           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:8081           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:8082           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:8987           0.0.0.0:0              LISTENING
 TCP    0.0.0.0:9093           0.0.0.0:0              LISTENING
 TCP    127.0.0.1:445          127.0.0.1:4061         ESTABLISHED
 TCP    127.0.0.1:1041         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1042         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1043         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1045         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1047         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1048         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1050         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1063         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1067         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1071         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1083         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1089         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1132         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1133         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1134         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1144         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1159         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1164         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1165         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1172         127.0.0.1:1173         ESTABLISHED
 TCP    127.0.0.1:1173         127.0.0.1:1172         ESTABLISHED
 TCP    127.0.0.1:1190         127.0.0.1:1191         ESTABLISHED
 TCP    127.0.0.1:1191         127.0.0.1:1190         ESTABLISHED
 TCP    127.0.0.1:1192         127.0.0.1:1193         ESTABLISHED
 TCP    127.0.0.1:1193         127.0.0.1:1192         ESTABLISHED
 TCP    127.0.0.1:1194         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1195         127.0.0.1:1196         ESTABLISHED
 TCP    127.0.0.1:1196         127.0.0.1:1195         ESTABLISHED
 TCP    127.0.0.1:1197         127.0.0.1:1198         ESTABLISHED
 TCP    127.0.0.1:1198         127.0.0.1:1197         ESTABLISHED
 TCP    127.0.0.1:1199         127.0.0.1:9092         ESTABLISHED
 TCP    127.0.0.1:1200         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1201         127.0.0.1:1202         ESTABLISHED
 TCP    127.0.0.1:1202         127.0.0.1:1201         ESTABLISHED
 TCP    127.0.0.1:1203         127.0.0.1:1204         ESTABLISHED
 TCP    127.0.0.1:1204         127.0.0.1:1203         ESTABLISHED
 TCP    127.0.0.1:1205         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1206         127.0.0.1:1207         ESTABLISHED
 TCP    127.0.0.1:1207         127.0.0.1:1206         ESTABLISHED
 TCP    127.0.0.1:1208         127.0.0.1:1209         ESTABLISHED
 TCP    127.0.0.1:1209         127.0.0.1:1208         ESTABLISHED
 TCP    127.0.0.1:1210         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1211         127.0.0.1:1212         ESTABLISHED
 TCP    127.0.0.1:1212         127.0.0.1:1211         ESTABLISHED
 TCP    127.0.0.1:1213         127.0.0.1:1214         ESTABLISHED
 TCP    127.0.0.1:1214         127.0.0.1:1213         ESTABLISHED
 TCP    127.0.0.1:1215         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1216         127.0.0.1:1217         ESTABLISHED
 TCP    127.0.0.1:1217         127.0.0.1:1216         ESTABLISHED
 TCP    127.0.0.1:1218         127.0.0.1:1219         ESTABLISHED
 TCP    127.0.0.1:1219         127.0.0.1:1218         ESTABLISHED
 TCP    127.0.0.1:1220         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1221         127.0.0.1:1222         ESTABLISHED
 TCP    127.0.0.1:1222         127.0.0.1:1221         ESTABLISHED
 TCP    127.0.0.1:1224         127.0.0.1:1225         ESTABLISHED
 TCP    127.0.0.1:1225         127.0.0.1:1224         ESTABLISHED
 TCP    127.0.0.1:1226         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1227         127.0.0.1:1228         ESTABLISHED
 TCP    127.0.0.1:1228         127.0.0.1:1227         ESTABLISHED
 TCP    127.0.0.1:1230         127.0.0.1:1231         ESTABLISHED
 TCP    127.0.0.1:1231         127.0.0.1:1230         ESTABLISHED
 TCP    127.0.0.1:1232         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1233         127.0.0.1:1234         ESTABLISHED
 TCP    127.0.0.1:1234         127.0.0.1:1233         ESTABLISHED
 TCP    127.0.0.1:1235         127.0.0.1:1236         ESTABLISHED
 TCP    127.0.0.1:1236         127.0.0.1:1235         ESTABLISHED
 TCP    127.0.0.1:1237         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1238         127.0.0.1:1239         ESTABLISHED
 TCP    127.0.0.1:1239         127.0.0.1:1238         ESTABLISHED
 TCP    127.0.0.1:1240         127.0.0.1:1241         ESTABLISHED
 TCP    127.0.0.1:1241         127.0.0.1:1240         ESTABLISHED
 TCP    127.0.0.1:1242         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1243         127.0.0.1:1244         ESTABLISHED
 TCP    127.0.0.1:1244         127.0.0.1:1243         ESTABLISHED
 TCP    127.0.0.1:1245         127.0.0.1:1246         ESTABLISHED
 TCP    127.0.0.1:1246         127.0.0.1:1245         ESTABLISHED
 TCP    127.0.0.1:1247         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1248         127.0.0.1:1249         ESTABLISHED
 TCP    127.0.0.1:1249         127.0.0.1:1248         ESTABLISHED
 TCP    127.0.0.1:1250         127.0.0.1:1251         ESTABLISHED
 TCP    127.0.0.1:1251         127.0.0.1:1250         ESTABLISHED
 TCP    127.0.0.1:1252         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1253         127.0.0.1:1254         ESTABLISHED
 TCP    127.0.0.1:1254         127.0.0.1:1253         ESTABLISHED
 TCP    127.0.0.1:1255         127.0.0.1:1256         ESTABLISHED
 TCP    127.0.0.1:1256         127.0.0.1:1255         ESTABLISHED
 TCP    127.0.0.1:1257         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1258         127.0.0.1:1259         ESTABLISHED
 TCP    127.0.0.1:1259         127.0.0.1:1258         ESTABLISHED
 TCP    127.0.0.1:1260         127.0.0.1:1261         ESTABLISHED
 TCP    127.0.0.1:1261         127.0.0.1:1260         ESTABLISHED
 TCP    127.0.0.1:1262         127.0.0.1:1263         ESTABLISHED
 TCP    127.0.0.1:1263         127.0.0.1:1262         ESTABLISHED
 TCP    127.0.0.1:1265         127.0.0.1:1266         ESTABLISHED
 TCP    127.0.0.1:1266         127.0.0.1:1265         ESTABLISHED
 TCP    127.0.0.1:1267         127.0.0.1:1268         ESTABLISHED
 TCP    127.0.0.1:1268         127.0.0.1:1267         ESTABLISHED
 TCP    127.0.0.1:1269         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1270         127.0.0.1:1271         ESTABLISHED
 TCP    127.0.0.1:1271         127.0.0.1:1270         ESTABLISHED
 TCP    127.0.0.1:1272         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1273         127.0.0.1:1274         ESTABLISHED
 TCP    127.0.0.1:1274         127.0.0.1:1273         ESTABLISHED
 TCP    127.0.0.1:1275         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1276         127.0.0.1:1277         ESTABLISHED
 TCP    127.0.0.1:1277         127.0.0.1:1276         ESTABLISHED
 TCP    127.0.0.1:1278         127.0.0.1:1279         ESTABLISHED
 TCP    127.0.0.1:1279         127.0.0.1:1278         ESTABLISHED
 TCP    127.0.0.1:1280         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1281         127.0.0.1:1282         ESTABLISHED
 TCP    127.0.0.1:1282         127.0.0.1:1281         ESTABLISHED
 TCP    127.0.0.1:1283         127.0.0.1:1516         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1194         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1200         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1205         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1210         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1215         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1220         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1226         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1232         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1237         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1242         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1247         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1252         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1257         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1269         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1272         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1275         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1280         ESTABLISHED
 TCP    127.0.0.1:1516         127.0.0.1:1283         ESTABLISHED
 TCP    127.0.0.1:1516         123.123.123.124:1264      ESTABLISHED
 TCP    127.0.0.1:4061         127.0.0.1:445          ESTABLISHED
 TCP    127.0.0.1:9092         0.0.0.0:0              LISTENING
 TCP    127.0.0.1:9092         127.0.0.1:1041         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1042         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1043         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1045         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1047         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1048         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1050         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1063         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1067         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1071         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1083         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1089         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1132         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1133         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1134         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1144         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1159         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1164         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1165         ESTABLISHED
 TCP    127.0.0.1:9092         127.0.0.1:1199         ESTABLISHED
 TCP    127.0.0.1:9094         0.0.0.0:0              LISTENING
 TCP    123.123.123.124:25        85.250.57.67:1278      TIME_WAIT
 TCP    123.123.123.124:25        201.25.170.200:4174    TIME_WAIT
 TCP    123.123.123.124:110       200.59.34.91:1050      TIME_WAIT
 TCP    123.123.123.124:110       200.59.34.91:2089      TIME_WAIT
 TCP    123.123.123.124:110       200.59.34.91:2090      TIME_WAIT
 TCP    123.123.123.124:110       200.59.34.91:2091      TIME_WAIT
TCP 123.123.123.124:1153 123.123.123.124:9093 ESTABLISHED TCP 123.123.123.124:1154 123.123.123.124:9093 ESTABLISHED TCP 123.123.123.124:1160 123.123.123.124:8083 ESTABLISHED TCP 123.123.123.124:1223 123.123.123.124:1516 ESTABLISHED TCP 123.123.123.124:1229 123.123.123.124:1516 ESTABLISHED
 TCP    123.123.123.124:1264      0.0.0.0:0              LISTENING
 TCP    123.123.123.124:1264      127.0.0.1:1516         ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1034     ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1110     ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1145     ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1157     ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1180     ESTABLISHED
 TCP    123.123.123.124:1352      200.43.70.147:1473     ESTABLISHED
 TCP    123.123.123.124:1352      200.59.34.91:2301      ESTABLISHED
TCP 123.123.123.124:1352 123.123.123.124:3750 ESTABLISHED TCP 123.123.123.124:1352 123.123.123.124:4144 ESTABLISHED TCP 123.123.123.124:1352 123.123.123.124:4145 ESTABLISHED TCP 123.123.123.124:1352 123.123.123.124:4146 ESTABLISHED TCP 123.123.123.124:1516 123.123.123.124:1223 ESTABLISHED TCP 123.123.123.124:1516 123.123.123.124:1229 ESTABLISHED
 TCP    123.123.123.124:1533      200.43.70.147:1501     ESTABLISHED
TCP 123.123.123.124:3750 123.123.123.124:1352 ESTABLISHED
 TCP    123.123.123.124:4066      200.43.70.147:1352     TIME_WAIT
 TCP    123.123.123.124:4088      200.43.70.147:1352     TIME_WAIT
TCP 123.123.123.124:4144 123.123.123.124:1352 ESTABLISHED TCP 123.123.123.124:4145 123.123.123.124:1352 ESTABLISHED TCP 123.123.123.124:4146 123.123.123.124:1352 ESTABLISHED
 TCP    123.123.123.124:4535      200.59.34.91:1352      TIME_WAIT
 TCP    123.123.123.124:4536      200.43.70.147:1352     TIME_WAIT
 TCP    123.123.123.124:8083      0.0.0.0:0              LISTENING
TCP 123.123.123.124:8083 123.123.123.124:1160 ESTABLISHED TCP 123.123.123.124:9093 123.123.123.124:1153 ESTABLISHED TCP 123.123.123.124:9093 123.123.123.124:1154 ESTABLISHED
 UDP    123.123.123.124:500       *:*


If i run nmap from a machine inside this subnet I got for server A:


serverD:~ # nmap -sT -p5-65535 123.123.123.123

Starting nmap 3.30 ( http://www.insecure.org/nmap/ ) at 2006-01-26 13:59
ART
Strange read error from 123.123.123.123 (104): Operation now in progress

<Lots of this>

Strange read error from 123.123.123.123 (104): Illegal seek

<Some of this>

Interesting ports on xxxxxx.xxxxxx.com (123.123.123.123):
(The 65473 ports scanned but not shown below are in state: closed)
Port       State       Service
25/tcp     open        smtp
80/tcp     open        http
110/tcp    open        pop-3
554/tcp    open        rtsp
1044/tcp   open        unknown
1057/tcp   open        unknown
1058/tcp   open        nim
1059/tcp   open        nimreg
1061/tcp   open        unknown
1063/tcp   open        unknown
1065/tcp   open        unknown
1068/tcp   open        instl_bootc
1080/tcp   open        socks
1082/tcp   open        unknown
1085/tcp   open        unknown
1097/tcp   open        unknown
1098/tcp   open        unknown
1102/tcp   open        unknown
1144/tcp   open        unknown
1148/tcp   open        unknown
1149/tcp   open        unknown
1150/tcp   open        unknown
1162/tcp   open        unknown
1171/tcp   open        unknown
1172/tcp   open        unknown
1177/tcp   open        unknown
1178/tcp   open        skkserv
1179/tcp   open        unknown
1186/tcp   open        unknown
1187/tcp   open        unknown
1352/tcp   open        lotusnotes
1503/tcp   open        imtc-mcs
2751/tcp   open        unknown
3919/tcp   open        unknown
3921/tcp   open        unknown
3924/tcp   open        unknown
3926/tcp   open        unknown
3927/tcp   open        unknown
3928/tcp   open        unknown
3939/tcp   open        unknown
3942/tcp   open        unknown
3989/tcp   open        unknown
3993/tcp   open        unknown
3998/tcp   open        unknown
4001/tcp   open        unknown
4006/tcp   open        unknown
4009/tcp   open        unknown
4014/tcp   open        unknown
4017/tcp   open        unknown
4018/tcp   open        unknown
4020/tcp   open        unknown
4025/tcp   open        unknown
8081/tcp   open        blackice-icecap
8083/tcp   open        unknown
9093/tcp   open        unknown
63148/tcp  open        unknown

Nmap run completed -- 1 IP address (1 host up) scanned in 11.533 seconds

And for server B:

ServerD:~ # nmap -sT -p5-65535 123.123.123.124

Starting nmap 3.30 ( http://www.insecure.org/nmap/ ) at 2006-01-26 14:03
ART
Interesting ports on yyyyy.yyyyy.com (123.123.123.124):
(The 65513 ports scanned but not shown below are in state: closed)
Port       State       Service
25/tcp     open        smtp
80/tcp     open        http
110/tcp    open        pop-3
143/tcp    open        imap2
554/tcp    open        rtsp
1025/tcp   open        NFS-or-IIS
1352/tcp   open        lotusnotes
1503/tcp   open        imtc-mcs
1516/tcp   open        vpad
1533/tcp   open        virtual-places
8081/tcp   open        blackice-icecap
8082/tcp   open        blackice-alerts
8987/tcp   open        unknown
9093/tcp   open        unknown

Nmap run completed -- 1 IP address (1 host up) scanned in 16.718 seconds

The ports open on server B are Ok. I know who is listening in each one.

But I can't say the same about server A.

if I do a telnet from server B to A, to any port listed in nmap in which I
know

(or at least believe to know) there shouldn't be any service listening
(lets say

port 2751) i get this:

serverA:~ # telnet 123.123.123.124 2751
Trying 123.123.123.124...
Connected to 123.123.123.124.
Escape character is '^]'.
Connection closed by foreign host.
serverA:~ #

I have some questions that I can't answer yet:

1.- What is the real meaning of all those ports open in both machines at
address

0.0.0.0 ?. It's ok have to many ?.

2.- Who/what is listening in port 2751 (and in others ones) on server A?

Any help/hint will be apreciated !!!

I have run Antivirus & Antispyware without any successfull in server A.


---------------------------------------------------------------------- -----
EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE
The Norwich University program offers unparalleled Infosec management
education and the case study affords you unmatched consulting experience.
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---------------------------------------------------------------------------
EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE
The Norwich University program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Tailor your education to your own professional goals with degree customizations including Emergency Management, Business Continuity Planning, Computer Emergency Response Teams, and Digital Investigations.
http://www.msia.norwich.edu/secfocus
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