The following excerpt is taken from a honeypot log. The log captures activities across three days.
There are several intrusion attempts; however, a few are successful. (Note: The objective of this
question is to test whether the student can read basic information from log entries and interpret the
nature of attack.) Apr 24 14:46:46 [4663]: spp_portscan: portscan detected from 194.222.156.169
Apr 24 14:46:46 [4663]: IDS27/FIN Scan: 194.222.156.169:56693 -> 172.16.1.107:482 Apr 24
18:01:05 [4663]: IDS/DNS-version-query: 212.244.97.121:3485 -> 172.16.1.107:53 Apr 24
19:04:01 [4663]: IDS213/ftp-passwd-retrieval: 194.222.156.169:1425 -> 172.16.1.107:21 Apr 25
08:02:41 [5875]: spp_portscan: PORTSCAN DETECTED from 24.9.255.53 Apr 25 02:08:07
[5875]: IDS277/DNS-version-query: 63.226.81.13:4499 -> 172.16.1.107:53 Apr 25 02:08:07
[5875]: IDS277/DNS-version-query: 63.226.81.13:4630 -> 172.16.1.101:53 Apr 25 02:38:17
[5875]: IDS/RPC-rpcinfo-query: 212.251.1.94:642 -> 172.16.1.107:111 Apr 25 19:37:32 [5875]:
IDS230/web-cgi-space-wildcard: 198.173.35.164:4221 -> 172.16.1.107:80 Apr 26 05:45:12 [6283]:
IDS212/dns-zone-transfer: 38.31.107.87:2291 -> 172.16.1.101:53 Apr 26 06:43:05 [6283]:
IDS181/nops-x86: 63.226.81.13:1351 -> 172.16.1.107:53 Apr 26 06:44:25 victim7
PAM_pwdb[12509]: (login) session opened for user simple by (uid=0) Apr 26 06:44:36 victim7
PAM_pwdb[12521]: (su) session opened for user simon by simple(uid=506) Apr 26 06:45:34
[6283]: IDS175/socks-probe: 24.112.167.35:20 -> 172.16.1.107:1080 Apr 26 06:52:10 [6283]:
IDS127/telnet-login-incorrect: 172.16.1.107:23 -> 213.28.22.189:4558 From the options given
below choose the one which best interprets the following entry: Apr 26 06:43:05 [6283]:
IDS181/nops-x86: 63.226.81.13:1351 -> 172.16.1.107:53
A.
An IDS evasion technique
B.
A buffer overflow attempt
C.
A DNS zone transfer
D.
Data being retrieved from 63.226.81.13
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