Kyle is performing the final testing of an application he developed for the accounting department. His last round of testing is to ensure that the program is as secure as possible. Kyle runs the following command. What is he testing at this point?
#include
#include
int main(int argc, char *argv[])
{
char buffer[10];
if (argc < 2)
{
fprintf(stderr, "USAGE: %s string\n", argv[0]);
return 1;
}
strcpy(buffer, argv[1]);
return 0;
}
John is using Firewalk to test the security of his Cisco PIX firewall. He is also utilizing a sniffer located on a subnet that resides deep inside his network. After analyzing the sniffer log files, he does not see any of the traffic produced by Firewalk. Why is that?
After passively scanning the network of Department of Defense (DoD), you switch over to active scanning to identify live hosts on their network. DoD is a lage organization and should respond to any number of scans. You start an ICMP ping sweep by sending an IP packet to the broadcast address. Only five hosts responds to your ICMP pings; definitely not the number of hosts you were expecting. Why did this ping sweep only produce a few responses?
You setup SNMP in multiple offices of your company. Your SNMP software manager is not receiving data from other offices like it is for your main office. You suspect that firewall changes are to blame. What ports should you open for SNMP to work through Firewalls (Select 2)
You work as an IT security auditor hired by a law firm in Boston to test whether you can gain access to sensitive information about the company's clients. You have rummaged through their trash and found very little information. You do not want to set off any alarms on their network, so you plan on performing passive footprinting against their Web servers. What tool should you use?
After passing her CEH exam, Carol wants to ensure that her network is completely secure. She implements a DMZ, statefull firewall, NAT, IPSEC, and a packet filtering firewall. Since all security measures were taken, none of the hosts on her network can reach the Internet. Why is that?
What will the following URL produce in an unpatched IIS Web Server? http://www.thetargetsite.com/scripts/..%co%af../..%co%af../windows/system32/cmd.exe?/c+dir+c:\
You are a security analyst performing a penetration tests for a company in the Midwest. After some initial reconnaissance, you discover the IP addresses of some Cisco routers used by the company. You type in the following URL that includes the IP address of one of the routers:
http://172.168.4.131/level/99/exec/show/config
After typing in this URL, you are presented with the entire configuration file for that router. What have you discovered?
James is testing the ability of his routers to withstand DoS attacks. James sends ICMP ECHO requests to the broadcast address of his network. What type of DoS attack is James testing against his network?
You are using DriveSpy, a forensic tool and want to copy 150 sectors where the starting sector is 1709 on the primary hard drive. Which of the following formats correctly specifies these sectors?
It takes _____________ mismanaged case/s to ruin your professional reputation as a computer forensics examiner?
A (n) ____________ is one that‟s performed by a computer program rather than the attacker manually performing the steps in the attack sequence.
What type of attack occurs when an attacker can force a router to stop forwarding packets by flooding the router with many open connections simultaneously so that all the hosts behind the router are effectively disabled?
When reviewing web logs, you see an entry for resource not found in the HTTP status code fileD. What is the actual error code that you would see in the log for resource not found?
What is the advantage in encrypting the communication between the agent and the monitor in an Intrusion Detection System?
E-mail logs contain which of the following information to help you in your investigation? (Select up to 4)
While working for a prosecutor, What do you think you should do if the evidence you found appears to be exculpatory and is not being released to the defense ?
What happens when a file is deleted by a Microsoft operating system using the FAT file system?
What type of file is represented by a colon (:) with a name following it in the Master File Table of NTFS disk?
An Employee is suspected of stealing proprietary information belonging to your company that he had no rights to possess. The information was stored on the Employees Computer that was protected with the NTFS Encrypted File System (EFS) and you had observed him copy the files to a floppy disk just before leaving work for the weekenD. You detain the Employee before he leaves the building and recover the floppy disks and secure his computer. Will you be able to break the encryption so that you can verify that that the employee was in possession of the proprietary information?
A honey pot deployed with the IP 172.16.1.108 was compromised by an attacker . Given below is an excerpt from a Snort binary capture of the attack. Decipher the activity carried out by the attacker by studying the log. Please note that you are required to infer only what is explicit in the excerpt. (Note: The student is being tested on concepts learnt during passive OS fingerprinting, basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.) 03/15-20:21:24.107053 211.185.125.124:3500 -> 172.16.1.108:111 TCP TTL:43 TOS:0×0 ID:29726 IpLen:20 DgmLen:52 DF ***A**** Seq: 0x9B6338C5 Ack: 0x5820ADD0 Win: 0x7D78 TcpLen: 32 TCP Options (3) => NOP NOP TS: 23678634 2878772 =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.452051 211.185.125.124:789 -> 172.16.1.103:111 UDP TTL:43 TOS:0×0 ID:29733 IpLen:20 DgmLen:84 Len: 64
01 0A 8A 0A 00 00 00 00 00 00 00 02 00 01 86 A0 ……………. 00 00 00 02 00 00 00 03 00 00 00 00 00 00 00 00 ……………. 00 00 00 00 00 00 00 00 00 01 86 B8 00 00 00 01 …………….
00 00 00 11 00 00 00 00 ……..
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
03/15-20:21:24.730436 211.185.125.124:790 -> 172.16.1.103:32773 UDP TTL:43 TOS:0×0 ID:29781 IpLen:20 DgmLen:1104 Len: 1084 47 F7 9F 63 00 00 00 00 00 00 00 02 00 01 86 B8
With the standard Linux second extended file system (Ext2fs), a file is deleted when the inode internal link count reaches ________.
Paula works as the primary help desk contact for her company.Paula has just received a call from a user reporting that his computer just displayed a Blue Screen of Death screen and he can no longer work.Paula
walks over to the user‟s computer and sees the Blue Screen of Death screen.The user‟s computer is running
Windows XP, but the Blue Screen looks like a familiar one that Paula had seen on Windows 2000 computers periodically. The user said he stepped away from his computer for only 15 minutes and when he got back, the Blue Screen was there.Paula also noticed that the hard drive activity light was flashing, meaning that the computer was processing something.Paula knew this should not be the case since the computer should be completely frozen during a Blue Screen. She checks the network IDS live log entries and notices numerous nmap scan alerts.
What is Paula seeing happen on this computer?
You have used a newly released forensic investigation tool, which doesn‟t meet the Daubert T
est, during a case. The case has ended-up in court. What argument could the defense make to weaken your case?
What term is used to describe a cryptographic technique for embedding information into something else for the sole purpose of hiding that information from the casual observer?
You are working as an independent computer forensics investigator and receive a call from a systems administrator for a local school system requesting your assistance. One of the students at the local high school is suspected of downloading inappropriate images from the Internet to a PC in the Computer laB. When you arrive at the school, the systems administrator hands you a hard drive and tells you that he made a simple backup copy of the hard drive in the PC and put it on this drive and requests that you examine that drive for evidence of the suspected images. You inform him that a simple backup copy will not provide deleted files or recover file fragments. What type of copy do you need to make to ensure that the evidence found is complete and admissible in future proceedings?
In conducting a computer abuse investigation you become aware that the suspect of the investigation is using ABC Company as his Internet Service Provider (ISP). You contact ISP and request that they provide you assistance with your investigation. What assistance can the ISP provide?
When performing a forensics analysis, what device is used to prevent the system from recording data on an evidence disk?
Law enforcement officers are conducting a legal search for which a valid warrant was obtaineD. While conducting the search, officers observe an item of evidence for an unrelated crime that was not included in the warrant. The item was clearly visible to the officers and immediately identified as evidence. What is the term used to describe how this evidence is admissible?
With Regard to using an Antivirus scanner during a computer forensics investigation, You should:
The efforts to obtain information before a trail by demanding documents, depositions, questioned and answers written under oath, written requests for admissions of fact and examination of the scene is a description of what legal term?
You are called by an author who is writing a book and he wants to know how long the copyright for his book will last after he has the book published?
From the following spam mail header, identify the host IP that sent this spam? From jie02@netvigator.com jie02@netvigator.com Tue Nov 27 17:27:11 2001 Received: from viruswall.ie.cuhk.edu.hk (viruswall [137.189.96.52]) by eng.ie.cuhk.edu.hk (8.11.6/8.11.6) with ESMTP id fAR9RAP23061 for ; Tue, 27 Nov 2001 17:27:10 +0800 (HKT) Received: from mydomain.com (pcd249020.netvigator.com [203.218.39.20]) by viruswall.ie.cuhk.edu.hk (8.12.1/8.12.1) with SMTP id fAR9QXwZ018431 for ; Tue, 27 Nov 2001 17:26:36 +0800 (HKT) Message-Id: >200111270926.fAR9QXwZ018431@viruswall.ie.cuhk.edu.hk
From: “china hotel web”
To: “Shlam”
Subject: SHANGHAI (HILTON HOTEL) PACKAGE Date: Tue, 27 Nov 2001 17:25:58 +0800 MIME-Version: 1.0 X-Priority: 3 X-MSMail- Priority: Normal Reply-
To: “china hotel web”
What method of computer forensics will allow you to trace all ever-established user accounts on a Windows 2000 sever the course of its lifetime?
After attending a CEH security seminar, you make a list of changes you would like to perform on your network to increase its security. One of the first things you change is to switch the RestrictAnonymous setting from 0 to 1 on your servers. This, as you were told, would prevent anonymous users from establishing a null session on the server. Using Userinfo tool mentioned at the seminar, you succeed in establishing a null session with one of the servers. Why is that?
Harold is a web designer who has completed a website for ghttech.net. As part of the maintenance agreement he signed with the client, Harold is performing research online and seeing how much exposure the site has received so far. Harold navigates to google.com and types in the following search.
What will this search produce?
Terri works for a security consulting firm that is currently performing a penetration test on First National Bank in Tokyo. Terri's duties include bypassing firewalls and switches to gain access to the network. Terri sends an IP packet to one of the company's switches with ACK bit and the source address of her machine set. What is Terri trying to accomplish by sending this IP packet?
Tyler is setting up a wireless network for his business that he runs out of his home. He has followed all the directions from the ISP as well as the wireless router manual. He does not have any encryption set and the SSID is being broadcast. On his laptop, he can pick up the wireless signal for short periods of time, but then the connection drops and the signal goes away. Eventually the wireless signal shows back up, but drops intermittently. What could be Tyler issue with his home wireless network?
To test your website for vulnerabilities, you type in a quotation mark (? for the username field. After you click Ok, you receive the following error message window:
What can you infer from this error window?
Exhibit:
Simon is a former employee of Trinitron XML Inc. He feels he was wrongly terminated and wants to hack into his former company's network. Since Simon remembers some of the server names, he attempts to run the axfr and ixfr commands using DIG. What is Simon trying to accomplish here?
You work as an IT security auditor hired by a law firm in Boston to test whether you can gain access to sensitive information about the company clients. You have rummaged through their trash and found very little information. You do not want to set off any alarms on their network, so you plan on performing passive footprinting against their Web servers. What tool should you use?
When setting up a wireless network with multiple access points, why is it important to set each access point on a different channel?
George is the network administrator of a large Internet company on the west coast. Per corporate policy, none of the employees in the company are allowed to use FTP or SFTP programs without obtaining approval from the IT department. Few managers are using SFTP program on their computers. Before talking to his boss, George wants to have some proof of their activity.
George wants to use Ethereal to monitor network traffic, but only SFTP traffic to and from his network. What filter should George use in Ethereal?
John and Hillary works at the same department in the company. John wants to find out Hillary's network password so he can take a look at her documents on the file server. He enables Lophtcrack program to sniffing mode. John sends Hillary an email with a link to Error! Reference source not found. What information will he be able to gather from this?
You work as a penetration tester for Hammond Security Consultants. You are currently working on a contract for the state government of California. Your next step is to initiate a DoS attack on their network. Why would you want to initiate a DoS attack on a system you are testing?
Printing under a Windows Computer normally requires which one of the following files types to be created?
Profiling is a forensics technique for analyzing evidence with the goal of identifying the perpetrator from their various activity. After a computer has been compromised by a hacker, which of the following would be most important in forming a profile of the incident?
This is original file structure database that Microsoft originally designed for floppy disks. It is written to the outermost track of a disk and contains information about each file stored on the drive.
A state department site was recently attacked and all the servers had their disks eraseD. The incident response team sealed the area and commenced investigation. During evidence collection they came across a zip disks that did not have the standard labeling on it. The incident team ran the disk on an isolated system and found that the system disk was accidentally eraseD. They decided to call in the FBI for further investigation. Meanwhile, they short listed possible suspects including three summer interns. Where did the incident team go wrong?
You have completed a forensic investigation case. You would like to destroy the data contained in various disks at the forensics lab due to sensitivity of the case. How would you permanently erase the data on the hard disk?
The ____________________ refers to handing over the results of private investigations to the authorities because of indications of criminal activity.
____________________ is simply the application of Computer Investigation and analysis techniques in the interests of determining potential legal evidence.
When using Windows acquisitions tools to acquire digital evidence, it is important to use a well- tested hardware write-blocking device to:
You are employed directly by an attorney to help investigate an alleged sexual harassment case at a large pharmaceutical manufacture. While at the corporate office of the company, the CEO demands to know the status of the investigation. What prevents you from discussing the case with the CEO?
What is the name of the Standard Linux Command that is also available as windows application that can be used to create bit-stream images?