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1 / 60

Refer to the exhibit. What should an engineer determine from this Wireshark capture of suspicious network traffic?

There are signs of a DNS attack, and the engineer should hide the BIND version and restrict zone transfers as a countermeasure

There are signs of ARP spoofing, and the engineer should use Static ARP entries and IP address-to-MAC address mappings as a countermeasure

There are signs of a malformed packet attack, and the engineer should limit the packet size and set a threshold of bytes as a countermeasure

There are signs of SYN flood attack, and the engineer should increase the backlog and recycle the oldest half-open TCP connections

2 / 60

A security team receives reports of multiple files causing suspicious activity on users' workstations. The file attempted to access highly confidential information in a centralized file server. Which two actions should be taken by a security analyst to evaluate the file in a sandbox? (Choose two.)

Inspect registry entries, Inspect file type

Inspect processes, Inspect file hash

Inspect file hash, Inspect PE header

Inspect file type, Inspect processes

Inspect PE header, Inspect registry entries

3 / 60

What is the steganography anti-forensics technique?

Concealing malicious files in ordinary or unsuspecting places

Sending malicious files over a public network by encapsulation

Changing the file header of a malicious file to another file type

Hiding a section of a malicious file in unused areas of a file

4 / 60

What is the transmogrify anti-forensics technique?

Changing the file header of a malicious file to another file type

Concealing malicious files in ordinary or unsuspecting places

Sending malicious files over a public network by encapsulation

Hiding a section of a malicious file in unused areas of a file

5 / 60

What is a concern for gathering forensics evidence in public cloud environments?

Multitenancy: Evidence gathering must avoid exposure of data from other tenants

Timeliness: Gathering forensics evidence from cloud service providers typically requires substantial time

High Cost: Cloud service providers typically charge high fees for allowing cloud forensics

Configuration: Implementing security zones and proper network segmentation

6 / 60

Refer to the exhibit. A network engineer is analyzing a Wireshark file to determine the HTTP request that caused the initial Ursnif banking Trojan binary to download. Which filter did the engineer apply to sort the Wireshark traffic logs?

tcp.port eq 25

tcp.window_size ==0

http.request.un matches

tls.handshake.type ==1

7 / 60

Refer to the exhibit. An engineer is analyzing a .LNK (shortcut) file recently received as an email attachment and blocked by email security as suspicious. What is the next step an engineer should take?

Quarantine the file within the endpoint antivirus solution as the file is a ransomware which will encrypt the documents of a victim

Open the file in a sandbox environment for further behavioral analysis as the file contains a malicious script that runs on execution

Upload the file to a virus checking engine to compare with well-known viruses as the file is a virus disguised as a legitimate extension

Delete the suspicious email with the attachment as the file is a shortcut extension and does not represent any threat

8 / 60

An investigator is analyzing an attack in which malicious files were loaded on the network and were undetected. Several of the images received during the attack include repetitive patterns. Which anti-forensic technique was used?

Steganography

Tunneling

Obfuscation

Spoofing

9 / 60

A security team detected an above-average amount of inbound tcp/135 connection attempts from unidentified senders. The security team is responding based on their incident response playbook. Which two elements are part of the eradication phase for this incident? (Choose two.)

Anti-malware software, Data and workload isolation

Data and workload isolation, Centralized user management

Centralized user management, Intrusion prevention system

Intrusion prevention system, Enterprise block listing solution

Enterprise block listing solution, Data and workload isolation

10 / 60

What is the function of a disassembler?

Aids defining breakpoints in program execution

Aids transforming symbolic language into machine code

Aids viewing and changing the running state

Aids performing static malware analysis

11 / 60

An "unknown error code" is appearing on an ESXi host during authentication. An engineer checks the authentication logs but is unable to identify the issue.
Analysis of the vCenter agent logs shows no connectivity errors. What is the next log file the engineer should check to continue troubleshooting this error?

var/log/general/log

var/log/shell.log

/var/log/vmksummary.log

/var/log/syslog.log

12 / 60

A website administrator has an output of an FTP session that runs nightly to download and unzip files to a local staging server. The download includes thousands of files, and the manual process used to find how many files failed to download is time-consuming. The administrator is working on a PowerShell script that will parse a log file and summarize how many files were successfully downloaded versus ones that failed. Which script will read the contents of the file one line at a time and return a collection of objects?

Get-Content ""Path \ServerFTPFolderLogfilesftpfiles.log | Select-String "ERROR", "SUCCESS"

Get-Content ""Directory \ServerFTPFolderLogfilesftpfiles.log | Export-Result "ERROR", "SUCCESS"

Get-Content ""ifmatch \ServerFTPFolderLogfilesftpfiles.log | Copy-Marked "ERROR", "SUCCESS"

Get-Content-Folder \ServerFTPFolderLogfilesftpfiles.log | Show-From "ERROR", "SUCCESS"

13 / 60

Over the last year, an organization"™s HR department has accessed data from its legal department on the last day of each month to create a monthly activity report.
An engineer is analyzing suspicious activity alerted by a threat intelligence platform that an authorized user in the HR department has accessed legal data daily for the last week. The engineer pulled the network data from the legal department"™s shared folders and discovered above average-size data dumps. Which threat actor is implied from these artifacts?

Malicious insider

External exfiltration

Privilege escalation

Internal user errors

14 / 60

Which tool conducts memory analysis?

Volatility

Memoryze

Sysinternals Autoruns

MemDump

15 / 60

Refer to the exhibit. What is the IOC threat and URL in this STIX JSON snippet?

malware; malware--162d917e-766f-4611-b5d6-652791454fca

stix; "˜https://x4z9arb.cn/4712/"™

x4z9arb backdoor; https://x4z9arb.cn/4712/

malware; "˜https://x4z9arb.cn/4712/"™

malware; x4z9arb backdoor

16 / 60

Refer to the exhibit. Which type of code is being used?

Python

VBScript

BASH

Shell

17 / 60

What is the goal of an incident response plan?

To contain an attack and prevent it from spreading

To determine security weaknesses and recommend solutions

To ensure systems are in place to prevent an attack

To identify critical systems and resources in an organization

18 / 60

Refer to the exhibit. Which element in this email is an indicator of attack?

Attachment: "Card-Refund"

Subject: "Service Credit Card"

Content-Type: multipart/mixed

IP Address: 202.142.155.218

19 / 60

An attacker embedded a macro within a word processing file opened by a user in an organization"™s legal department. The attacker used this technique to gain access to confidential financial data. Which two recommendations should a security expert make to mitigate this type of attack? (Choose two.)

Controlled folder access, Signed macro requirements

Removable device restrictions, Controlled folder access

Signed macro requirements, Network access control

Firewall rules creation, Network access control

Network access control, Signed macro requirements

20 / 60

An employee receives an email from a "trusted" person containing a hyperlink that is malvertising. The employee clicks the link and the malware downloads. An information analyst observes an alert at the SIEM and engages the cybersecurity team to conduct an analysis of this incident in accordance with the incident response plan. Which event detail should be included in this root cause analysis?

Information from the email header

Alert identified by the cybersecurity team

Phishing email sent to the victim

Alarm raised by the SIEM

21 / 60

A network host is infected with malware by an attacker who uses the host to make calls for files and shuttle traffic to bots. This attack went undetected and resulted in a significant loss. The organization wants to ensure this does not happen in the future and needs a security solution that will generate alerts when command and control communication from an infected device is detected. Which network security solution should be recommended?

Cisco Secure Firewall Threat Defense (Firepower)

Cisco Secure Email Gateway (ESA)

Cisco Secure Web Appliance (WSA)

Cisco Secure Firewall ASA

22 / 60

Refer to the exhibit. Which encoding technique is represented by this HEX string?

Charcode

Base64

Unicode

Binary

23 / 60

Refer to the exhibit. According to the SNORT alert, what is the attacker performing?

Brute-force attack against directories and files on the target webserver

SQL injection attack against the target webserver

Brute-force attack against the web application user accounts

XSS attack against the target webserver

24 / 60

Refer to the exhibit.

According to the SNORT alert, what is the attacker performing?

Brute-force attack against directories and files on the target webserver

XSS attack against the target webserver

SQL injection attack against the target webserver

Brute-force attack against the web application user accounts

25 / 60

Refer to the exhibit.

What do these artifacts indicate?

A forged DNS request is forwarding users to malicious websites

The MD5 of a file is identified as a virus and is being blocked

A malicious file is redirecting users to different domains

An executable file is requesting an application download

26 / 60

An engineer is analyzing a ticket for an unexpected server shutdown and discovers that the web-server ran out of useable memory and crashed.

Which data is needed for further investigation?

/var/log/httpd/access.log

/var/log/httpd/messages.log

/var/log/access.log

/var/log/messages.log

27 / 60

Refer to the exhibit.

An employee notices unexpected changes and setting modifications on their workstation and creates an incident ticket. A support specialist checks processes and services but does not identify anything suspicious. The ticket was escalated to an analyst who reviewed this event log and also discovered that the workstation had multiple large data dumps on network shares. What should be determined from this information?

Log tampering

Brute-force attack

Data obfuscation

Reconnaissance attack

28 / 60

Refer to the exhibit.

After a cyber attack, an engineer is analyzing an alert that was missed on the intrusion detection system. The attack exploited a vulnerability in a business critical, web-based application and violated its availability. Which two migration techniques should the engineer recommend? (Choose two.)

Encapsulation, NOP sled technique

NOP sled technique, Heap-based security

Address space randomization, Data execution prevention

Heap-based security, NOP sled technique

Data execution prevention, Encapsulation

29 / 60

damage. Leadership requested a report that identifies the problems that triggered the incident and the

security team’s approach to address these problems to prevent a reoccurrence. Which components of the

incident should an engineer analyze first for this report?

Tive and factors

K and RPN

Pact and flow

Use and effect

30 / 60

Refer to the exhibit. A security analyst notices unusual connections while monitoring traffic. What is the attack vector, and which action should be taken to prevent this type of event?

ARP spoofing; configure port security

MAC flooding; assign static entries

SYN flooding, block malicious packets

DNS spoofing; encrypt communication protocols

31 / 60

What should be determined from this Apache log?

The SSL traffic setup is improper

The certificate file has been maliciously modified

The private key does not match with the SSL certificate

A module named mod_ssl is needed to make SSL connections

32 / 60

Which tool is used for reverse engineering malware?

NMAP

Wireshark

SNORT

Ghidra

33 / 60

What are YARA rules based upon?

IP addresses

Network artifacts

HTML code

Binary patterns

34 / 60

A network engineer is analyzing a Wireshark file to determine the HTTP request that caused the initialUrsnif banking Trojan binary to download. Which filter did the engineer apply to sort the Wireshark traffic logs?

Tls

Http

Tcp

35 / 60

What is the IOC threat and URL in this STIX JSON snippet?

malware; ‘https://x4z9arb

malware; x4z9arb backdoor

x4z9arb backdoor; https://x4z9arb

stix; ‘https://x4z9arb

malware; malware--162d917e-766f-4611-b5d6-652791454fca

36 / 60

An engineer is investigating a ticket from the accounting department in which a user discovered an unexpected application on their workstation. Several alerts are seen from the intrusion detection system of unknown outgoing internet traffic from this workstation. The engineer also notices a degraded processing capability, which complicates the analysis process. Which two actions should the engineer take? (Choose two.)

Restore to a system recovery point, Take an image of the workstation

Replace the faulty CPU, Format the workstation drives

Disconnect from the network, Restore to a system recovery point

Format the workstation drives, Replace the faulty CPU

Take an image of the workstation, Format the workstation drives

37 / 60

An organization recovered from a recent ransomware outbreak that resulted in significant business damage. Leadership requested a report that identifies the problems that triggered the incident and the security team's approach to address these problems to prevent a reoccurrence. Which components of the incident should an engineer analyze first for this report?

Otive and factors

Isk and RPN

Ause and effect

Mpact and flow

38 / 60

What is a use of TCPdump?

To change IP ports

To view encrypted data fields

To decode user credentials

To analyze IP and other packets

39 / 60

Refer to the exhibit.

A company that uses only the Unix platform implemented an intrusion detection system. After the initial configuration, the number of alerts is overwhelming, and an engineer needs to analyze and classify the alerts. The highest number of alerts were generated from the signature shown in the exhibit. Which classification should the engineer assign to this event?

False Positive alert

True Positive alert

True Negative alert

False Negative alert

40 / 60

An engineer received a report of a suspicious email from an employee. The employee had already opened the attachment, which was an empty Word document. The engineer cannot identify any clear signs of compromise but while reviewing running processes, observes that PowerShell.exe was spawned by cmd.exe with a grandparent winword.exe process. What is the recommended action the engineer should take?

Contain the threat for further analysis as this is an indication of suspicious activity.

Investigate the sender of the email and communicate with the employee to determine the motives

Monitor processes as this a standard behavior of Word macro embedded documents.

Upload the file signature to threat intelligence tools to determine if the file is malicious

41 / 60

An organization uses a Windows 7 workstation for access tracking in one of their physical data centers on which a guard documents entrance/exit activities of all personnel. A server shut down unexpectedly in this data center, and a security specialist is analyzing the case. Initial checks show that the previous two days of entrance/exit logs are missing, and the guard is confident that the logs were entered on the workstation. Where should the security specialist look next to continue investigating this case?

HKEY_LOCAL_MACHINESSOFTWAREMicrosoftWindowsNTCurrentUser

HKEY_CURRENT_USERSoftwareClassesWinlog

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionProfileList

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon

42 / 60

A security team received reports of users receiving emails linked to external or unknown URLs that are non- returnable and non-deliverable. The ISP also reported a 500% increase in the amount of ingress and egress email traffic received. After detecting the problem, the security team moves to the recovery phase in their incident response plan. Which two actions should be taken in the recovery phase of this incident? (Choose two.)

Verify the breadth of the attack, Collect logs

Collect logs, Request packet capture

Request packet capture, Remove vulnerabilities

Remove vulnerabilities, Scan hosts with updated signatures

Scan hosts with updated signatures, Collect logs

43 / 60

Which determination should be made by a security analyst?

An email was sent with an attachment named ''Final Report.doc.exe''

An email was sent with an attachment named ''Grades.doc''

An email was sent with an attachment named ''Final Report.doc''

An email was sent with an attachment named ''Grades.doc.exe''

44 / 60

What is the next step an engineer should take?

Open the file in a sandbox environment for further behavioral analysis as the file contains a malicious script that runs on execution

Quarantine the file within the endpoint antivirus solution as the file is a ransomware which will encrypt the documents of a victim

Upload the file to a virus checking engine to compare with well-known viruses as the file is a virus disguised as a legitimate extension

Delete the suspicious email with the attachment as the file is a shortcut extension and does not represent any threat

45 / 60

Refer to the exhibit. What do these artifacts indicate?

The MD5 of a file is identified as a virus and is being blocked

A forged DNS request is forwarding users to malicious websites

A malicious file is redirecting users to different domains

An executable file is requesting an application download

46 / 60

An engineer received a call to assist with an ongoing DDoS attack. The Apache server is being targeted, and availability is compromised. Which step should be taken to identify the origin of the threat?

An engineer should check the last hundred entries of a web server with the command sudo tail -100 /var/log/apache2/access.log

An engineer should check the server"™s processes by running commands ps -aux and sudo ps -a

An engineer should check the services on the machine by running the command service -status-all

An engineer should check the list of usernames currently logged in by running the command $ who | cut ""d"™ "˜ -f1| sort | uniq

47 / 60

Which magic byte indicates that an analyzed file is a pdf file?

255044462d

0a0ah4cg

cGRmZmlsZQ

706466666

48 / 60

Refer to the exhibit. An HR department submitted a ticket to the IT helpdesk indicating slow performance on an internal share server. The helpdesk engineer checked the server with a real-time monitoring tool and did not notice anything suspicious. After checking the event logs, the engineer noticed an event that occurred 48 hour prior. Which two indicators of compromise should be determined from this information? (Choose two.)

Unauthorized system modification, Malware outbreak

Privilege escalation, Denial of service attack

Denial of service attack, Compromised root access

Compromised root access, Unauthorized system modification

Malware outbreak, Privilege escalation

49 / 60

Which technique is used to evade detection from security products by executing arbitrary code in the address space of a separate live operation?

Token manipulation

GPO modification

Privilege escalation

Process injection

50 / 60

A threat actor attempts to avoid detection by turning data into a code that shifts numbers to the right four times. Which anti-forensics technique is being used?

Obfuscation

Poisoning

Encryption

Tunneling

51 / 60

Which information is provided bout the object file by the "-h" option in the objdump line command objdump ""b oasys ""m vax ""h fu.o?

Headers

Help

Debugging

Bfdname

52 / 60

Which two actions should be taken based on the intelligence information?

Block network access to identified domains

Route traffic from identified domains to block hole

Use the DNS server to block hole all

Add a SIEM rule to alert on connections to identified domains

Block network access to all

53 / 60

An engineer is analyzing a TCP stream in a Wireshark after a suspicious email with a URL. What should be determined about the SMB traffic from this stream?

It is sharing access to files and printers

It is requesting authentication on the user site

It is exploiting redirect vulnerability

It is redirecting to a malicious phishing website

54 / 60

Which encoding technique is represented by this HEX string?

Charcode

Base64

Unicode

Binary

55 / 60

Which two determinations should be made about the attack from the Apache access logs?

The attacker performed a brute force attack against word press and used sql injection against the backend database

The attacker logged on normally to word press admin page

The attacker used the word press file manager plugin to upoad r57

The attacker used r57 exploit to elevate their privilege

The attacker uploaded the word press file manager trojan

56 / 60

What should an engineer determine from this Wireshark capture of suspicious network traffic?

There are signs of ARP spoofing, and the engineer should use Static ARP entries and IP address-to-MAC address mappings as a countermeasure

There are signs of a DNS attack, and the engineer should hide the BIND version and restrict zone transfers as a countermeasure

There are signs of a malformed packet attack, and the engineer should limit the packet size and set a threshold of bytes as a countermeasure

There are signs of SYN flood attack, and the engineer should increase the backlog and recycle the oldest half-open TCP connections

57 / 60

An engineer is analyzing a .LNK (shortcut) file recently received as an email attachment and blocked by email security as suspicious. What is the next step an engineer should take?

Open the file in a sandbox environment for further behavioral analysis as the file contains a malicious script that runs on execution

Quarantine the file within the endpoint antivirus solution as the file is a ransomware which will encrypt the documents of a victim

Upload the file to a virus checking engine to compare with well-known viruses as the file is a virus disguised as a legitimate extension

Delete the suspicious email with the attachment as the file is a shortcut extension and does not represent any threat

58 / 60

Which type of code is being used?

Python

BASH

Shell

VBScript

59 / 60

Which element in this email is an indicator of attack?

IP Address: 202

Attachment: “Card-Refund”

Subject: “Service Credit Card”

Content-Type: multipart/mixed

60 / 60

How is a SIEM tool used?

To collect and analyze security data from network devices and servers and produce alerts

To compare security alerts against configured scenarios and trigger system responses

To search and compare security data against acceptance standards and generate reports for analysis

To collect security data from authentication failures and cyber attacks and forward it for analysis

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