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WorksheetsComputer Forensics and Security Quiz
Total questions: 100
Worksheet time: 5hrs 51mins
Which one of the following is the correct flow for Setting Up a Computer Forensics Lab?
Planning and budgeting -> Physical location and structural design considerations -> Work area considerations -> Human resource considerations -> Physical security recommendations -> Forensics lab licensing
Planning and budgeting -> Physical location and structural design considerations-> Forensics lab licensing -> Human resource considerations -> Work area considerations -> Physical security recommendations
Planning and budgeting -> Forensics lab licensing -> Physical location and structural design considerations -> Work area considerations -> Physical security recommendations -> Human resource considerations
Planning and budgeting -> Physical location and structural design considerations -> Forensics lab licensing ->Work area considerations -> Human resource considerations -> Physical security recommendations
Which of the following directory will contain logs related to printer access?
/var/log/cups/Printer_log file
/var/log/cups/access_log file
/var/log/cups/accesslog file
/var/log/cups/Printeraccess_log file
Which of the following command is used to enable logging in iptables?
$ iptables -B INPUT -j LOG
$ iptables -A OUTPUT -j LOG
$ iptables -A INPUT -j LOG
$ iptables -B OUTPUT -j LOG
Where will you find the reputation IP database, if you want to monitor traffic from known bad IP reputation using OSSIM SIEM?
/etc/ossim/reputation
/etc/ossim/siem/server/reputation/data
/etc/siem/ossim/server/reputation.data
/etc/ossim/server/reputation.data
According to the Risk Matrix table, what will be the risk level when the probability of an attack is very low and the impact of that attack is major?
High
Extreme
Low
Medium
Which of the following command is used to view iptables logs on Ubuntu and Debian distributions?
$ tailf /var/log/sys/kern.log
$ tailf /var/log/kern.log
# tailf /var/log/messages
# tailf /var/log/sys/messages
Juliea a SOC analyst, while monitoring logs, noticed large TXT, NULL payloads. What does this indicate?
Concurrent VPN Connections Attempt
DNS Exfiltration Attempt
Covering Tracks Attempt
DHCP Starvation Attempt
Which of the following attack can be eradicated by filtering improper XML syntax?
CAPTCHA Attacks
SQL Injection Attacks
Insufficient Logging and Monitoring Attacks
Web Services Attacks
Which of the following attack can be eradicated by using a safe API to avoid the use of the interpreter entirely?
Command Injection Attacks
SQL Injection Attacks
File Injection Attacks
LDAP Injection Attacks
Which one of the following components he should include in the above threat intelligent strategy plan to make it effective?
Threat pivoting
Threat trending
Threat buy-in
Threat boosting
Which of the following data source will a SOC Analyst use to monitor connections to the insecure ports?
Netstat Data
DNS Data
IIS Data
DHCP Data
Bonney's system has been compromised by a gruesome malware. What is the primary step that is advisable to Bonney in order to contain the malware incident from spreading?
Complaint to police in a formal way regarding the incident
Turn off the infected machine
Leave it to the network administrators to handle
Call the legal department in the organization and inform about the incident
According to the forensics investigation process, what is the next step carried out right after collecting the evidence?
Create a Chain of Custody Document
Send it to the nearby police station
Set a Forensic lab
Call Organizational Disciplinary Team
Ray is a SOC analyst in a company named Queens Tech. One Day, Queens Tech is affected by a DoS/DDoS attack. For the containment of this incident, Ray and his team are trying to provide additional bandwidth to the network devices and increasing the capacity of the servers. What is Ray and his team doing?
Blocking the Attacks
Diverting the Traffic
Degrading the services
Absorbing the Attack
Identify the attack when an attacker by several trial and error can read the contents of a password file present in the restricted etc folder just by manipulating the URL in the browser as shown: http://www.terabytes.com/process.php./../../../../etc/passwd
Directory Traversal Attack
SQL Injection Attack
Denial-of-Service Attack
Form Tampering Attack
Which encoding replaces unusual ASCII characters with '%' followed by the character's two-digit ASCII code expressed in hexadecimal?
Unicode Encoding
UTF Encoding
Base64 Encoding
URL Encoding
Which of the following formula represents the risk?
Risk = Likelihood × Severity × Asset Value
Risk = Likelihood × Consequence × Severity
Risk = Likelihood × Impact × Severity
Risk = Likelihood × Impact × Asset Value
The Syslog message severity levels are labelled from level 0 to level 7. What does level 0 indicate?
Alert
Notification
Emergency
Debugging
Which of the following technique involves scanning the headers of IP packets leaving a network to make sure that the unauthorized or malicious traffic never leaves the internal network?
Egress Filtering
Throttling
Rate Limiting
Ingress Filtering
Which of the following formula is used to calculate the EPS of the organization?
EPS = average number of correlated events / time in seconds
EPS = number of normalized events / time in seconds
EPS = number of security events / time in seconds
EPS = number of correlated events / time in seconds
What is the process of monitoring and capturing all data packets passing through a given network using different tools?
Network Scanning
DNS Footprinting
Network Sniffing
Port Scanning
Which of the following is a report writing tool that will help incident handlers to generate efficient reports on detected incidents during incident response process?
threat_note
MagicTree
IntelMQ
Malstrom
Which of the following Windows features is used to enable Security Auditing in Windows?
Bitlocker
Windows Firewall
Local Group Policy Editor
Windows Defender
Which of the following can help you eliminate the burden of investigating false positives?
Keeping default rules
Not trusting the security devices
Treating every alert as high level
Ingesting the context data
Which of the following event detection techniques uses User and Entity Behavior Analytics (UEBA)?
Rule-based detection
Heuristic-based detection
Anomaly-based detection
Signature-based detection
Identify the password cracking attempt involving a precomputed dictionary of plaintext passwords and their corresponding hash values to crack the password.
Dictionary Attack
Rainbow Table Attack
Bruteforce Attack
Syllable Attack
Which of the log storage method arranges event logs in the form of a circular buffer?
FIFO
LIFO
non-wrapping
wrapping
An organization wants to implement a SIEM deployment architecture. However, they have the capability to do only log collection and the rest of the SIEM functions must be managed by an MSSP. Which SIEM deployment architecture will the organization adopt?
Cloud, MSSP Managed
Self-hosted, Jointly Managed
Self-hosted, MSSP Managed
Self-hosted, Self-Managed
Banter is a threat analyst in Christine Group of Industries. As a part of the job, he is currently formatting and structuring the raw data. He is at which stage of the threat intelligence life cycle?
Dissemination and Integration
Processing and Exploitation
Collection
Analysis and Production
Banter is a threat analyst in Christine Group of Industries. As a part of the job, he is currently Threat Feeds. He is at which stage of the threat intelligence life cycle?
Dissemination and Integration
Processing and Exploitation
Collection
Analysis and Production
Which of the following attacks causes sudden changes in file extensions or increase in file renames at rapid speed?
Ransomware Attack
DoS Attack
DHCP starvation Attack
File Injection Attack
Which of the following factors determine the choice of SIEM architecture?
SMTP Configuration
DHCP Configuration
DNS Configuration
Network Topology
Which of the following Windows event is logged every time when a user tries to access the 'Registry' key?
4656
4663
4660
4657
Which of the following are the responsibilities of SIEM Agents?
Collecting data received from various devices sending data to SIEM before forwarding it to the central engine.
Co-relating data received from various devices sending data to SIEM before forwarding it to the central engine.
Normalizing data received from various devices sending data to SIEM before forwarding it to the central engine.
Visualizing data received from various devices sending data to SIEM before forwarding it to the central engine.
Sam, a security analyst with INFOSOL INC., while monitoring and analyzing IIS logs, detected an event matching regex /\w*((\%27)|(\'))((\%6F)|o|(\%4F))((\%72)|r|(\%52))/ix. What does this event log indicate?
SQL Injection Attack
Parameter Tampering Attack
XSS Attack
Directory Traversal Attackfuser
Which of the following framework describes the essential characteristics of an organization's security engineering process that must exist to ensure good security engineering?
COBIT
ITIL
SSE-CMM
SOC-CMM
What does Windows event ID 4740 indicate?
A user account was locked out.
A user account was disabled.
A user account was enabled.
A user account was created.
Which of the following is a Threat Intelligence Platform?
SolarWinds MS
TC Complete
Keepnote
Apility.io
Chloe, a SOC analyst with Jake Tech, is checking Linux systems logs She is investigating files at /var/log/wtmp. What Chloe is looking at?
Error log
System boot log
General message and system-related stuff
Login records
Which of the following threat intelligence is used by a SIEM for supplying the analysts with context and "situational awareness" by using threat actor TTPs, malware campaigns, tools used by threat actors?
Strategic threat intelligence
Tactical threat intelligence
Operational threat intelligence
Technical threat intelligence
Which of the following data source can be used to detect the traffic associated with Bad Bot User-Agents?
Windows Event Log
Web Server Logs
Router Logs
Switch Logs
Daniel is a member of an IRT, which was started recently in a company named Mesh Tech. He wanted to find the purpose and scope of the planned incident response capabilities. What is he looking for?
Incident Response Intelligence
Incident Response Mission
Incident Response Vision
Incident Response Resources
Daniel is a member of an IRT, which was started recently in a company named Mesh Tech. He wanted to find the goals for incident management capabilities. What is he looking for?
Incident Response Intelligence
Incident Response Mission
Incident Response Vision
Incident Response Resources
John, a SOC analyst, while monitoring and analyzing Apache web server logs, identified an event log matching Regex /(\.|(%|%25)2E)(\.|(%|%25)2E)(\/|(%|%25)2F|\\|(%|%25)5C)/i. What does this event log indicate?
XSS Attack
SQL injection Attack
Directory Traversal Attack
Parameter Tampering Attack
According to the Risk Matrix table, what will be the risk level when the probability of an attack is very high, and the impact of that attack is major?
High
Extreme
Low
Medium
According to the Risk Matrix table, what will be the risk level when the probability of an attack is high, and the impact of that attack is moderate?
High
Extreme
Low
Medium
According to the Risk Matrix table, what will be the risk level when the probability of an attack is equal, and the impact of that attack is moderate?
High
Extreme
Low
Medium
According to the Risk Matrix table, what will be the risk level when the probability of an attack is low, and the impact of that attack is severe?
High
Extreme
Low
Medium
What is the correct sequence of SOC Workflow?
Collect, Ingest, Validate, Document, Report, Respond
Collect, Ingest, Document, Validate, Report, Respond
Collect, Respond, Validate, Ingest, Report, Document
Collect, Ingest, Validate, Report, Respond, Document
What among the following should Wesley avoid from considering?
Deserialization of trusted data must cross a trust boundary
Understand the security permissions given to serialization and deserialization
Allow serialization for security-sensitive classes
Validate untrusted input, which is to be serialized to ensure that serialized data contain only trusted classes
In which of the following incident handling and response stages, the root cause of the incident must be found from the forensic results?
Evidence Gathering
Evidence Handling
Eradication
Systems Recovery
Jane, a security analyst, while analyzing IDS logs, detected an event matching Regex /((\%3C)|<)((\%69)|i|(\%49))((\%6D)|m|(\%4D))((\%67)|g|(\%47))[^\n]+((\%3E)|>)/|. What does this event log indicate?
Directory Traversal Attack
Parameter Tampering Attack
XSS Attack
SQL Injection Attack
Which of the following Windows Event Id will help you monitors file sharing across the network?
7045
4625
5140
4624
What kind of threat intelligence described above?
Tactical Threat Intelligence
Strategic Threat Intelligence
Functional Threat Intelligence
Operational Threat Intelligence
Which of the following fields in Windows logs defines the type of event occurred, such as Correlation Hint, Response Time, SQM, WDI Context, and so on?
Keywords
Task Category
Level
Source
Which of the following tool is used to recover from web application incident?
CrowdStrike FalconTM Orchestrator
Symantec Secure Web Gateway
Smoothwall SWG
Proxy Workbench
Robin, a SOC engineer in a multinational company, is planning to implement a SIEM. He realized that his organization is capable of performing only Correlation, Analytics, Reporting, Retention, Alerting, and Visualization required for the SIEM implementation and has to take collection and aggregation services from a Managed Security Services Provider (MSSP). What kind of SIEM is Robin planning to implement?
Self-hosted, Self-Managed
Self-hosted, MSSP Managed
Hybrid Model, Jointly Managed
Cloud, Self-Managed
Robin, a SOC engineer in a multinational company, is planning to implement a SIEM. He realized that MSSP capable of performing only Agregation, Correlation, Analytics, Reporting, Retention, Alerting, and Visualization required for the SIEM implementation and has to take collection services from In house. What kind of SIEM is Robin planning to implement?
Self-hosted, Self-Managed
Self-hosted, MSSP Managed
Hybrid Model, Jointly Managed
Cloud, Self-Managed
Robin, a SOC engineer in a multinational company, is planning to implement a SIEM. He realized that MSSP capable of performing Agregation, Correlation, Analytics, Reporting, Retention, Alerting, and Visualization required for the SIEM implementation and has to take collection, Agregation, Correlation, Analytics, Reporting, Retention, Alerting, and Visualization services from In house. What kind of SIEM is Robin planning to implement?
Self-hosted, Self-Managed
Self-hosted, MSSP Managed
Self-hosted, Jointly Managed
Cloud, Self-Managed
What type of event is recorded when an application driver loads successfully in Windows?
Error
Success Audit
Warning
Information
Identify the attack depicted in the above scenario.
Denial-of-Service Attack
SQL Injection Attack
Parameter Tampering Attack
Session Fixation Attack
John, a threat analyst at GreenTech Solutions, wants to gather information about specific threats against the organization. He started collecting information from various sources, such as humans, social media, chat room, and so on, and created a report that contains malicious activity. Which of the following types of threat intelligence did he use?
Strategic Threat Intelligence
Technical Threat Intelligence
Tactical Threat Intelligence
Operational Threat Intelligence
Which of the following is a default directory in a Mac OS X that stores security-related logs?
/private/var/log
/Library/Logs/Sync
/var/log/cups/access_log
~/Library/Logs
Which of the following is a default directory in a Mac OS X that stores firewall-related logs?
~/private/var/log/firewall
~/Library/Logs/private/var/log/app_firewall.log
~/var/log/cups/private/firewall.log
~/Library/Logs/private/var/log/appfirewall.log
Which of following Splunk query will help him to fetch related logs associated with process creation?
index=windows LogName=Security EventCode=4678 NOT (Account_Name=*$) .. .. ... ..
index=windows LogName=Security EventCode=4688 NOT (Account_Name=*$) .. .. ..
index=windows LogName=Security EventCode=3688 NOT (Account_Name=*$) .. .. ..
index=windows LogName=Security EventCode=5688 NOT (Account_Name=*$) ... ... ...
Where will Harley find the web server logs, if he wants to investigate them for any anomalies?
SystemDrive%\inetpub\logs\LogFiles\W3SVCN
SystemDrive%\LogFiles\inetpub\logs\W3SVCN
%SystemDrive%\LogFiles\logs\W3SVCN
SystemDrive%\ inetpub\LogFiles\logs\W3SVCN
What does the Security Log Event ID 4624 of Windows 10 indicate?
Service added to the endpoint
A share was assessed
An account was successfully logged on
New process executed
What does the HTTP status codes 1XX represents?
Informational message
Client error
Success
Redirection
Which of the following is a set of standard guidelines for ongoing development, enhancement, storage, dissemination and implementation of security standards for account data protection?
FISMA
HIPAA
PCI-DSS
DARPA
In which phase of Lockheed Martin's - Cyber Kill Chain Methodology, adversary creates a deliverable malicious payload using an exploit and a backdoor?
Reconnaissance
Delivery
Weaponization
Exploitation
Identify the attack, where an attacker tries to discover all the possible information about a target network before launching a further attack.
DoS Attack
Man-In-The-Middle Attack
Ransomware Attack
Reconnaissance Attack
What does [-n] in the following checkpoint firewall log syntax represents?
fw log [-f [-t]] [-n] [-l] [-o] [-c action] [-h host] [-s starttime] [-e endtime] [-b starttime endtime] [-u unification_scheme_file] [-m unification_mode(initial|semi|raw)] [-a] [-k (alert name|all)] [-g] [logfile]
Speed up the process by not performing IP addresses DNS resolution in the Log files
Display both the date and the time for each log record
Display account log records only
Display detailed log chains (all the log segments a log record consists of)
Which of the following attack inundates DHCP servers with fake DHCP requests to exhaust all available IP addresses?
DHCP Starvation Attacks
DHCP Spoofing Attack
DHCP Port Stealing
DHCP Cache Poisoning
Mike is an incident handler for PNP Infosystems Inc. One day, there was a ticket raised regarding a critical incident and Mike was assigned to handle the incident. During the process of incident handling, at one stage, he has performed incident analysis and validation to check whether the incident is a true incident or a false positive. Identify the stage in which he is currently in.
Post-Incident Activities
Incident Recording and Assignment
Incident Triage
Incident Disclosure
Which of the following is a correct flow of the stages in an incident handling and response (IH&R) process?
Containment -> Incident Recording -> Incident Triage -> Preparation -> Recovery -> Eradication -> Post-Incident Activities
Preparation -> Incident Recording -> Incident Triage -> Containment -> Eradication -> Recovery -> Post-Incident Activities
Incident Triage -> Eradication -> Containment -> Incident Recording -> Preparation -> Recovery -> Post-Incident Activities
Incident Recording -> Preparation -> Containment -> Incident Triage -> Recovery -> Eradication -> Post-Incident Activities
What filter should Peter add to the 'show logging' command to get the required output?
show logging | access 210
show logging | forward 210
show logging | include 210
show logging | route 210
Identify the attack in which the attacker exploits a target system through publicly known but still unpatched vulnerabilities.
Slow DoS Attack
DHCP Starvation
Zero-Day Attack
DNS Poisoning Attack
In which log collection mechanism, the system or application sends log records either on the local disk or over the network.
rule-based
pull-based
push-based
signature-based
Syslog and Simple Network Management Protocol (SNMP) are the two main?
rule-based
pull-based
push-based
signature-based
Which of the following attack can be eradicated by disabling of "allow_url_fopen and allow_url_include" in the php.ini file?
File Injection Attacks
URL Injection Attacks
LDAP Injection Attacks
Command Injection Attacks
Which of the following stage executed after identifying the required event sources?
Identifying the monitoring Requirements
Defining Rule for the Use Case
Implementing and Testing the Use Case
Validating the event source against monitoring requirement
Which of the following technique protects from flooding attacks originated from the valid prefixes (IP addresses) so that they can be traced to its true source?
Rate Limiting
Egress Filtering
Ingress Filtering
Throttling
Which of the following contains the performance measures, and proper project and time management details?
Incident Response Policy
Incident Response Tactics
Incident Response Process
Incident Response Procedures
John as a SOC analyst is worried about the amount of Tor traffic hitting the network. He wants to prepare a dashboard in the SIEM to get a graph to identify the locations from where the TOR traffic is coming. Which of the following data source will he use to prepare the dashboard?
DHCP/Logs capable of maintaining IP addresses or hostnames with IPtoName resolution.
IIS/Web Server logs with IP addresses and user agent IPtouseragent resolution.
DNS/ Web Server logs with IP addresses.
Apache/ Web Server logs with IP addresses and Host Name.
Which of the following process refers to the discarding of the packets at the routing level without informing the source that the data did not reach its intended recipient?
Load Balancing
Rate Limiting
Black Hole Filtering
Drop Requests
Which of the following tool can be used to filter web requests associated with the SQL Injection attack?
Nmap
UrlScan
ZAP proxy
Hydra
What would be her next action according to the SOC workflow?
She should immediately escalate this issue to the management
She should immediately contact the network administrator to solve the problem
She should communicate this incident to the media immediately
She should formally raise a ticket and forward it to the IRT
Which of the following threat intelligence helps cyber security professionals such as security operations managers, network operations center and incident responders to understand how the adversaries are expected to perform the attack on the organization, and the technical capabilities and goals of the attackers along with the attack vectors?
Analytical Threat Intelligence
Operational Threat Intelligence
Strategic Threat Intelligence
Tactical Threat Intelligence
Which alert should be given least priority as per effective alert triaging?
I. Firewall blocking traffic from getting into the network alerts
II. SQL injection attempt alerts
III. Data deletion attempt alerts
IV. Brute-force attempt alerts
InfoSystem LLC, a US-based company, is establishing an in-house SOC. John has been given the responsibility to finalize strategy, policies, and procedures for the SOC.
Identify the job role of John.
Security Analyst - L1
Chief Information Security Officer (CISO)
Security Engineer
Security Analyst - L2
Which of the following service provides phishing protection and content filtering to manage the Internet experience on and off your network with the acceptable use or compliance policies?
Apility.io
Malstrom
OpenDNS
I-Blocklist
David is a SOC analyst in Karen Tech. One day an attack is initiated by the intruders but David was not able to find any suspicious events. This type of incident is categorized into __________?
True Positive Incidents
False positive Incidents
True Negative Incidents
False Negative Incidents
David is a SOC analyst in Karen Tech. One day an attack is initiated by the intruders but David was able to find suspicious events. This type of incident is categorized into __________?
True Positive Incidents
False positive Incidents
True Negative Incidents
False Negative Incidents
David is a SOC analyst in Karen Tech. One day an attack is not initiated by the intruders This type of incident is categorized into __________?
True Positive Incidents
False positive Incidents
True Negative Incidents
False Negative Incidents
Which attack works like a dictionary attack, but adds some numbers and symbols to the words from the dictionary and tries to crack the password?
Hybrid Attack
Bruteforce Attack
Rainbow Table Attack
Birthday Attack
Which of the following attack can be eradicated by converting all non-alphanumeric characters to HTML character entities before displaying the user input in search engines and forums?
Broken Access Control Attacks
Web Services Attacks
XSS Attacks
Session Management Attacks
Data source used to detect bad bots:
Web App Logs
ISS
Apache web server logs
IDS logs
WAF logs
What data source can be used to detect an increase in TOR traffic to the network?
DHCP/ Logs capable of maintaining IP added or hostnames with IPtoName resolution
URLs
DNS Lookup
Process-oriented framework that specifies the important properties of the security engineering process that are needed to maintain security engineering effectively
SSE-CMM
proxy
Scanner vulnerability
Tool to perform a cookie poisoning:
Tor
Zed Proxy
URLScan
SIEM
