Worksheets494-593
Total questions: 100
Worksheet time: 50mins
What is the purpose of using Obfuscator in malware?
Avoid encryption while passing through a VPN
Avoid detection by security mechanisms
Propagate malware to other connected devices
Execute malicious code in the system
Which of the following commands shows you the username and IP address used to access the system via a remote login session and the type of client from which they are accessing the system?
Net share
Net config
Net sessions
Net stat
Which of the following is a federal law enacted in the US to control the ways that financial institutions deal with the private information of individuals?
PCI DSS
GLBA
HIPAA 1996
SOX
UEFI is a specification that defines a software interface between an OS and platform firmware. Where does this interface store information about files present on a disk?
BIOS-MBR
BIOS Parameter Block
GUID Partition Table (GPT)
Master Boot Record (MBR)
You are working as an independent computer forensics investigator and received 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 the 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 proceeding?
Robust copy
Bit-stream copy
Incremental backup copy
Full backup copy
Which of the following network attacks refers to sending huge volumes of email to an address in an attempt to overflow the mailbox or overwhelm the server where the email address is hosted so as to cause a denial-of-service attack?
Email spoofing
Mail bombing
Phishing
Email spamming
Gill is a computer forensics investigator who has been called upon to examine a seized computer. This computer, according to the police, was used by a hacker who gained access to numerous banking institutions to steal customer information. After preliminary investigations, Gill finds in the computer’s log files that the hacker was able to gain access to these banks through the use of Trojan horses. The hacker then used these Trojan horses to obtain remote access to the companies’ domain controllers. From this point, Gill found that the hacker pulled off the SAM files from the domain controllers to then attempt and crack network passwords. What is the most likely password cracking technique used by this hacker to break the user passwords from the SAM files?
Hybrid attack
Dictionary attack
Brute force attack
Syllable attack
An attacker has compromised a cloud environment of a company and used the employee information to perform an identity theft attack. Which type of attack is this?
Cloud as a service
Cloud as an object
Cloud as a tool
Cloud as a subject
In which implementation of RAID will the image of a Hardware RAID volume be different from the image taken separately from the disks?
RAID 0
The images will always be identical because data is mirrored for redundancy
It will always be different
RAID 1
One technique for hiding information is to change the file extension from the correct one to the one that might not be noticed by an investigator. For example, [1] extension?
The sector map
The file header
The File Allocation Table
The file footer
An investigator enters the command sqlcmd -S WIN-CQQMK62867E -e -s", -E as part of collecting the primary data file and logs from a database. What does the "WIN-CQQMK62867E" represent?
Name of SQL Server
Network credentials of the database
Operating system of the system
Name of the Database
During the trial, an investigator observes that one of the principal witnesses is severely ill and cannot be present for the hearing. He decides to record the evidence and present it to the court. Under which rule should he present such evidence?
Locard's Principle
Rule 1003: Admissibility of Duplicates
Hearsay
Limited admissibility
What is cold boot (hard boot)?
It is the process of shutting down a computer from a powered-on or on state
It is the process of restarting a computer that is already in sleep mode
It is the process of starting a computer from a powered-down or off state
It is the process of restarting a computer that is already turned on through the operating system
Which of the following malware analysis involves executing the malware code to know how the code interacts with the host system and its impact on the system?
Dynamic Malware Analysis
Static Malware Analysis
Secondary Malware Analysis
Primary Malware Analysis
Which among the following laws emphasizes the need for each Federal agency to develop, document, and implement an organization-wide program to provide information security for the information systems that support its operations and assets?
SOX
GLBA
HIPAA
FISMA
Which of the following techniques delete the files permanently?
Trail obfuscation
Artifact Wiping
Steganography
Data Hiding
What is an investigator looking for in the rp.log file stored in a system running on Windows 10 operating system?
Restore point functions
System CheckPoints required for restoring
Restore point interval
Automatically created restore points
Email archiving is a systematic approach to save and protect the data contained in emails so that it can be accessed fast at a later date. There are two main archive types, namely Local Archive and Server Storage Archive. Which of the following statements is correct while dealing with local archives?
Server storage archives are the server information and settings stored on a local system, whereas the local archives are the local email client information stored on the mail server
It is difficult to deal with the webmail as there is no offline archive in most cases. So consult your counsel on the case as to the best way to approach and gain access to the required data on servers
Local archives should be stored together with the server storage archives in order to be admissible in a court of law
Local archives do not have evidentiary value as the email client may alter the message data
Which of the following tool is used to locate IP addresses?
Towelroot
XRY LOGICAL
SmartWhois
Deep Log Analyzer
Which of the following protocols allows non-ASCII files, such as video, graphics, and audio, to be sent through the email messages?
BINHEX
MIME
UT-16
UUCODE
What is the framework used for application development for iOS-based mobile devices?
Zygote
Dalvik
Cocoa Touch
AirPlay
Chong-lee, a forensics executive, suspects that a malware is continuously making copies of files and folders on a victim system to consume the available disk space. What type of test would confirm his claim?
Static analysis
Identifying file obfuscation
File fingerprinting
Dynamic analysis
Which of the following tools is not a data acquisition hardware tool?
UltraKit
Atola Insight Forensic
F-Response Imager
Triage-Responder
The given image displays information about date and time of installation of the OS along with service packs, patches, and sub-directories. What command or tool did the investigator use to view this output?
dir /o:d
dir /o:s
dir /o:e
dir /o:n
Which list contains the most recent actions performed by a Windows User?
Activity
Windows Error Log
MRU
Recents
Joshua is analyzing an MSSQL database for finding the attack evidence and other details, where should he look for the database logs?
Model.txt
Model.log
Model.ldf
Model.lgf
What is the name of the first reserved sector in File allocation table?
Master Boot Record
Partition Boot Sector
Volume Boot Record
BIOS Parameter Block
What does the command 'C:\>wevtutil gl
Configuration information of a specific Event Log
Event logs are saved in .xml format
Event log record structure
List of available Event Logs
An investigator is analyzing a checkpoint firewall log and comes across symbols. What type of log is he looking at?
Connection rejected
An email marked as potential spam
Security event was monitored but not stopped
Malicious URL detected
For what purpose do the investigators use tools like iPhoneBrowser, iFunBox, OpenSSHSSH, and iMazing?
Rooting iPhone
Debugging iPhone
Copying contents of iPhone
Bypassing iPhone passcode
In a computer that has Dropbox client installed, which of the following files related to the Dropbox client store information about local Dropbox installation and the Dropbox user account, along with email IDs linked with the account?
filecache.db
config.db
install.db
sigstore.db
Robert is a regional manager working in a reputed organization. One day, he suspected malware attack after unwanted programs started to popup after logging into his computer. The network administrator was called upon to trace out any intrusion on the computer and he/she finds that suspicious activity has taken place within Autostart locations. In this situation, which of the following tools is used by the network administrator to detect any intrusion on a system?
Process Monitor
Report Viewer
Internet Evidence Finder
Hex Editor
What do you call the process of studying the changes that have taken place across a system or a machine after a series of actions or incidents?
Host integrity Monitoring
Windows Services Monitoring
Start-up Programs Monitoring
System Baselining
Self-Monitoring, Analysis, and Reporting Technology (SMART) is built into the hard drives to monitor and report system activity. Which of the following is included in the report generated by SMART?
List of running processes
All the states (running and discontinued) associated with the OS
Logs of high temperatures the drive has reached
Power Off time
Data Files contain Multiple Data Pages, which are further divided into Page Header, Data Rows, and Offset Table. Which of the following is true for Data Rows?
Data Rows store the actual data
Data Rows spreads data across multiple databases
Data Rows point to the location of actual data
Data Rows present Page type, Page ID, and so on
In Windows, prefetching is done to improve system performance. There are two types of prefetching: boot prefetching and application prefetching. During boot prefetching, what does the Cache Manager do?
Determines the data associated with value EnablePrefetcher
Checks hard page faults and soft page faults
Monitors the first 10 seconds after the process is started
Checks whether the data is processed
The MAC attributes are timestamps that refer to a time at which the file was last modified or last accessed or originally created. Which of the following file systems store MAC attributes in Coordinated Universal Time (UTC) format?
Hierarchical File System (HFS)
File Allocation Table (FAT)
New Technology File System (NTFS)
Global File System (GFS)
Robert, a cloud architect, received a huge bill from the cloud service provider, which usually doesn't happen. After analyzing the bill, he found that the cloud resource consumption was very high. He then examined the cloud server and discovered that a malicious code was running on the server, which was generating huge but harmless traffic from the server. This means that the server has been compromised by an attacker with the sole intention to hurt the cloud customer financially. Which attack is described in the above scenario?
XSS Attack
DDoS Attack (Distributed Denial of Service)
Man-in-the-cloud Attack
EDoS Attack (Economic Denial of Service)
What is the role of Alloc.c in Apache core?
It handles server start-ups and timeouts
It handles allocation of resource pools
It is useful for reading and handling of the configuration files
It takes care of all the data exchange and socket connections between the client and the server
Which of the following statements is true regarding SMTP Server?
SMTP Server breaks the recipient's address into Recipient's name and his/her designation before passing it to the DNS Server
SMTP Server breaks the recipient's address into Recipient's name and recipient's address before passing it to the DNS Server
SMTP Server breaks the recipient's address into Recipient's name and domain name before passing it to the DNS Server
SMTP Server breaks the recipient's address into Recipient's name and his/her initial before passing it to the DNS Server
Which ISO Standard enables laboratories to demonstrate that they comply with quality assurance and provide valid results?
ISO/IEC 17025
ISO/IEC 19025
ISO/IEC 18025
ISO/IEC 16025
Which type of attack is possible when attackers know some credible information about the victim's password, such as the password length, algorithms involved, or the strings and characters used in its creation?
Dictionary Attack
Brute-Forcing Attack
Hybrid Password Guessing Attack
Rule-Based Attack
In which of these attacks will a steganalyst use a random message to generate a stego-object by using some steganography tool, to find the steganography algorithm used to hide the information?
Known-message attack
Known-cover attack
Chosen-message attack
Known-stego attack
Which of these Windows utility help you to repair logical file system errors?
Resource Monitor
Disk cleanup
Disk defragmenter
CHKDSK
Identify the term that refers to individuals who, by virtue of their knowledge and expertise, express an independent opinion on a matter related to a case based on the information that is provided.
Defense Witness
Forensic Examiner
Evidence Examiner
Expert Witness
Steve, a forensic investigator, was asked to investigate an email incident in his organization. The organization has Microsoft Exchange Server deployed for email communications. Which among the following files will Steve check to analyze message headers, message text, and standard attachments?
PUB.STM
PRIV.STM
PUB.EDB
PRIV.EDB
Which of the following information is displayed when Netstat is used with -ano switch?
Details of routing table
Details of TCP and UDP connections
Ethernet statistics
Contents of IP routing table
While collecting Active Transaction Logs using SQL Server Management Studio, the query Select * from ::fn_dblog(NULL, NULL) displays the active portion of the transaction log file. Here, assigning NULL values implies?
Start and end points for log files are specified
Start and end points for log files are not specified
Start and end points for log sequence numbers are specified
Start and end points for log sequence numbers are not specified
Which of the following statements is TRUE with respect to the Registry settings in the user startup folder HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce\
All the values in this subkey run when specific user logs on, as this setting is user-specific
The string specified in the value run executes when user logs on
All values in this subkey run when specific user logs on and then the values are deleted
All the values in this key are executed at system start-up
Which cloud model allows an investigator to acquire the instance of a virtual machine and initiate the forensics examination process?
IaaS model
PaaS model
SaaS model
SecaaS model
An attacker successfully gained access to a remote Windows system and plans to install persistent backdoors on it. Before that, to avoid getting detected in future, he wants to cover his tracks by disabling the last-accessed timestamps of the machine. What would he do to achieve this?
Run the command fsutil behavior set disablelastaccess 0
Run the command fsutil behavior set enablelastaccess 0
Set the registry value of HKLM\SYSTEM\CurrentControlSet\Control\FileSystem\NtfsDisableLastAccessUpdate to 0
Set the registry value of HKLM\SYSTEM\CurrentControlSet\Control\FileSystem\NtfsDisableLastAccessUpdate to 1
Which of the following web browser uses the Extensible Storage Engine (ESE) database format to store browsing records, including history, cache, and cookies?
Microsoft Edge
Mozilla Firefox
Safari
Google Chrome
Which U.S. law sets the rules for sending emails for commercial purposes, establishes the minimum requirements for commercial messaging, gives the recipients of emails the right to ask the senders to stop emailing them, and spells out the penalties in case the above said rules are violated?
NO-SPAM Act
American: DoD 5220.22-M
American: NAVSO P-5239-26 (RLL)
CAN-SPAM Act
Which of the following statements is TRUE about SQL Server error logs?
Trace files record, user-defined events, and specific system events
Error logs contain IP address of SQL Server client connections
Forensic investigator uses SQL Server Profiler to view error log files
SQL Server error logs record all the events occurred on the SQL Server and its databases
Which among the following tools can help a forensic investigator to access the registry files during postmortem analysis?
RegistryChangesView
RegRipper
RegDllView
ProDiscover
Consider that you are investigating a machine running an Windows OS released prior to Windows Vista. You are trying to gather information about the deleted files by examining the master database file named INFO2 located at C:\Recycler\
D drive, fifth file deleted, a .exe file
D drive, fourth file deleted, a .exe file
D drive, fourth file restored, a .exe file
D drive, sixth file deleted, a .exe file
Which Linux command when executed displays kernel ring buffers or information about device drivers loaded into the kernel?
fsck
dmesg
pgrep
grep
A section of your forensics lab houses several electrical and electronic equipment. Which type of fire extinguisher you must install in this area to contain any fire incident?
Class A
Class B
Class D
Class C
Checkpoint Firewall logs can be viewed through a Check Point Log viewer that uses icons and colors in the log table to represent different security events and their severity. What does the icon in the checkpoint logs represent?
The firewall rejected a connection
An email was marked as potential spam
A virus was detected in an email
The firewall dropped a connection
In which cloud crime do attackers try to compromise the security of the cloud environment in order to steal data or inject a malware?
Cloud as an Object
Cloud as a Tool
Cloud as an Application
Cloud as a Subject
POP3 is an Internet protocol used to retrieve emails from a mail server. Through which port does an email client connect with a POP3 server?
993
25
143
110
James identifies a website vulnerability. He visits the login page, notes the session ID, appends it to the login URL, and shares the link. When the victim logs in using the shared URL, James reloads the page and can browse the victim’s active session. Which attack did James execute?
Session Fixation Attack
Parameter Tampering
Cookie Tampering
Cross Site Request Forgery
Which Android architecture component is responsible for displaying windows owned by different applications?
Application Framework
Media Framework
Surface Manager
Resource Manager
Which web application threat results when developers expose internal implementation objects such as files, directories, database records, or key-through references?
Insecure Direct Object References
Cross Site Request Forgery
Remote File Inclusion
Cross Site Scripting
What does Locard’s Exchange Principle state?
Probative digital information must be disclosed
Digital evidence must have court characteristics
Entering a scene takes something and leaves something
Forensics faces many digital investigation challenges
A company begins a network vulnerability assessment. What is the first step the team should take to create the assessment plan?
Make a hypothesis of final findings
Create an initial Executive report
Analyze currently gathered company data
Acquire documents and review security policies
What is the location of a Protective MBR in a GPT disk layout?
Logical Block Address (LBA) 2
Logical Block Address (LBA) 0
Logical Block Address (LBA) 1
Logical Block Address (LBA) 3
In Linux, what information can investigators obtain from the log file /var/log/dmesg?
Kernel ring buffer information
All mail server message logs
Global system messages
Debugging log messages
Which Windows registry hive contains configuration information related to the application type used to open various files on the system?
HKEY_LOCAL MACHINE
HKEY_CLASSES_ROOT
HKEY_CURRENT_CONFIG
HKEY_CURRENT_USER
Which ISO standard defines the file system for optical storage media such as CD-ROM?
ISO 9660
ISO 27001
ISO 15408
ISO 8859-1
Which of the following Linux command searches through the current processes and lists the process IDs those match the selection criteria to stdout?
grep
ps
pgrep
pstree
Which forensic investigation methodology believes that criminals commit crimes solely to benefit their criminal enterprises?
Enterprise Theory of Investigation
Daubert Standard
Scientific Working Group on Digital Evidence
Fyre Standard
Which of these rootkit detection techniques function by comparing a snapshot of the file system, boot records, or memory with a known and trusted baseline?
Heuristic/Behavior-Based Detection
Cross View-Based Detection
Integrity-Based Detection
Signature-Based Detection
Which program uses different techniques to conceal a malware's code, thereby making it difficult for security mechanisms to detect or remove it?
Dropper
Packer
Obfuscator
Injector
What do the bytes 0x0B-0x53 represent in the boot sector of NTFS volume on Windows 2000?
Jump instruction and the OEM ID
BIOS Parameter Block (BPB) and the OEM ID
BIOS Parameter Block (BPB) and the extended BPB
Bootstrap code and the end of the sector marker
What does the Rule 101 of Federal Rules of Evidence states?
Purpose of the Rules
Limited Admissibility of the Evidence
Scope of the Rules, where they can be applied
Rulings on Evidence
What document does the screenshot represent?
Evidence collection form
Chain of custody form
Search warrant form
Expert witness form
You are asked to build a forensic lab and your manager has specifically informed you to use copper for lining the walls, ceilings, and floor. What is the main purpose of lining the walls, ceilings, and floor with copper?
To make the lab sound proof
To avoid electromagnetic emanations
To strengthen the walls, ceilings, and floor
To control the room temperature
James is dealing with a case regarding a cybercrime that has taken place in Arizona, USA. James needs to lawfully seize the evidence from an electronic device without affecting the user's anonymity. Which of the following law should he comply with, before retrieving the evidence?
Third Amendment of the U.S. Constitution
Fourth Amendment of the U.S. Constitution
First Amendment of the U.S. Constitution
Fifth Amendment of the U.S. Constitution
Which of the following stand true for BIOS Parameter Block?
Is the first sector of a data storage device
Always refers to the 512-byte boot sector
Describes the physical layout of a data storage volume
Length remains the same across all file systems
Which Event Correlation approach assumes and predicts what an attacker can do next after the attack by studying statistics and probability?
Heuristic Profiling
Temporal Sequencing
Bayesian Correlation
Signature Matching
MAC filtering is a security access control methodology, where a __________ is assigned to each network card to determine access to the network.
24-bit address
32-bit address
48-bit address
16-bit address
Which of the following files store the MySQL database data permanently, including data that had been deleted, helping investigation?
mysql-bin
mysql-log
iblog
ibdata1
Which tool allows dumping the contents of process memory without stopping the process?
psdump.exe
pmdump.exe
processdump.exe
pdump.exe
Which component in the hard disk moves over the platter to read and write information?
Head
Actuator
Spindle
Actuator Axis
A log entry reads 192.168.0.1 - - [18/Jan/2020:12:42:29 +0000] "GET / HTTP/1.1" 200 1861. Which log format does it belong to?
The common log format of Apache access log
IIS log
The combined log format of Apache access log
Apache error log
In a Filesystem Hierarchy Standard (FHS), which directory contains the binary files required for working?
/mnt
/sbin
/proc
/media
A computer has a failed OS install and damaged MBR/partition sector. Which tool can find and restore files and information on the disk?
R-Studio
Helix
Wireshark
NetCat
There is a file named myfile.txt on C: that contains hidden data streams. Which command displays the contents of a data stream?
echo text > program:source_file
myfile.dat:stream1
C:\>ECHO text_message > myfile.txt:stream1
C:\>MORE < myfile.txt:stream1
Cybercriminals use compromised computers to commit other crimes and may prevent a company from providing a service to its customers. Which type of cybercrime does this describe?
Ransomware attack
Malware attack
Phishing
Denial-of-Service attack
A MySQL server on Windows named WIN-DTRAI83202X was attacked. To retrieve information on changes made to the database, which file should be examined?
WIN-DTRAI83202Xslow.log
relay-log.info
mysql.ini
WIN-DTRAI83202X-bin.nnnnnn
Which OWASP IoT vulnerability talks about security flaws such as lack of firmware validation, lack of secure delivery, and lack of anti-rollback mechanisms on IoT devices?
Insecure default settings
Use of insecure or outdated components
Lack of secure update mechanism
Insecure data transfer and storage
Which of the following malware targets Android mobile devices and installs a backdoor that remotely installs applications from an attacker-controlled server?
xHelper
Unflod
Felix
XcodeGhost
Which of the following tools is used to dump the memory of a running process, either immediately or when an error condition occurs?
CacheInf
FATKit
Belkasoft Live RAM Capturer
Coreography
Which Federal Rule of Evidence speaks about the Hearsay exception where the availability of the declarant is immaterial and certain characteristics of the declarant such as present sense impression, excited utterance, and recorded recollection are also observed while giving their testimony?
Rule 801
Rule 802
Rule 803
Rule 804
Williamson is a forensic investigator. While investigating a case of data breach at a company, he is maintaining a document that records details such as the forensic processes applied on the collected evidence, particulars of people handling it, the dates and times when it is being handled, and the place of storage of the evidence. What do you call this document?
Consent form
Authorization form
Chain of custody
Log book
Which of the following is a requirement for senders as per the CAN-SPAM act?
Senders must use deceptive subject lines
Emails must not contain information regarding how to stop receiving emails from the sender in future
Senders should never share their physical postal address in the email
Senders cannot use misleading or false header information
Donald made an OS disk snapshot of a compromised Azure VM under a resource group used by the affected company as a part of forensic analysis process. He then created a vhd file out of the snapshot and stored it in a file share and as a page blob as backup in a storage account under different region. What is the next thing he should do as a security measure?
Create another VM by using the snapshot
Delete the snapshot from the source resource group
Delete the OS disk of the affected VM altogether
Recommend changing the access policies followed by the company
Identify the location of Recycle Bin on a Windows 7 machine that uses NTFS file system to store and retrieve files on the hard disk.
C:\RECYCLED
Drive:\$Recycle.Bin
Drive:\RECYCLED
Drive:\RECYCLEr
Which "Standards and Criteria" under SWDGE states that "the agency must use hardware and software that are appropriate and effective for the seizure or examination procedure"?
Standards and Criteria 1.6
Standards and Criteria 1.5
Standards and Criteria 1.7
Standards and Criteria 1.4
