Accurate & Verified 2026 New 112-57 Answers As Experienced in the Actual Test!
112-57 Certification Sample Questions certification Exam
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NEW QUESTION # 26
Sam is working as a loan agent for a financial institution. He frequently receives a number of emails from clients providing their personal details for loan approval. As these emails contain sensitive data, Sam had set up a feature that directly downloads the emails on his device without storing a copy on the mail server. Which of the following protocols provides the above-discussed email features?
- A. SNMP
- B. POP3
- C. ICMP
- D. SHA-1
Answer: B
Explanation:
The scenario describes an email-retrieval configuration in which messages aredownloaded to a client device andnot retained on the server. This behavior aligns withPOP3 (Post Office Protocol v3), a legacy but widely referenced mail access protocol that retrieves email from a server mailbox to a local client. In standard POP3 operation, the client authenticates to the mail server, issues retrieval commands (e.g., to list and download messages), and may then issue a delete command so that downloaded messages are removed from the server mailbox. Digital forensics references commonly contrast POP3 with IMAP:IMAP is designed for server-side mailbox synchronization and typically leaves mail stored on the server, whereas POP3 is oriented towardclient-side storageand supports workflows where server copies are not preserved after download. The other options are unrelated to email retrieval:SHA-1is a cryptographic hash function used for integrity checks,ICMPsupports network diagnostics and control messaging, andSNMPis used for network device management and monitoring. From an investigative standpoint, POP3 usage can reduce server-resident evidence and shift evidentiary value tolocal artifacts(mail client databases, cache, OS traces, backups), which is consistent with the intent described in the question.
NEW QUESTION # 27
Michael, a forensic expert, was assigned to investigate an incident that involved unauthorized intrusion attempts. In this process, Michael identified all the open ports on a system and disabled them because these open ports can allow attackers to install malicious services and compromise the security of the system or network.
Which of the following commands assisted Michael in identifying open ports in the above scenario?
- A. nmap -sT localhost
- B. netstat -i
- C. netstat -rn
- D. ifconfig <interface> -promisc
Answer: A
Explanation:
To identifyopen ports, investigators need a method that actively checks which TCP/UDP ports on a host are accepting connections. The commandnmap -sT localhostperforms aTCP Connect scanagainst the local system. In a connect scan, Nmap uses the operating system's normal networking API to attempt a full TCP three-way handshake to each targeted port. If the handshake completes, the port is reported asopen; if it is refused, it isclosed; and if filtered by firewall rules, it may appearfiltered. This directly supports Michael's objective of enumerating open ports so they can be reviewed and disabled to reduce the attack surface and prevent malicious services from being installed.
The other options do not enumerate open ports in the same way.netstat -ishows interface-level statistics (packets, errors) rather than listing listening services.netstat -rndisplays the routing table (routes and gateways), which helps understand network paths but not which ports are open.ifconfig <interface> -promisc relates to enabling/disabling promiscuous mode on an interface for packet capture, not port discovery.
Therefore, the command that assisted in identifying open ports isnmap -sT localhost (C).
NEW QUESTION # 28
Which of the following layers of the TCP/IP model includes protocols such as Frame Relay, SMDS, Fast Ethernet, SLIP, PPP, FDDI, ATM, Ethernet, and ARP to enable a machine to deliver the desired data to other hosts in the same network?
- A. Internet layer
- B. Transport layer
- C. Network access layer
- D. Application layer
Answer: C
Explanation:
The protocols listed-Frame Relay, SMDS, Fast Ethernet, SLIP, PPP, FDDI, ATM, Ethernet, and ARP- belong to the portion of the TCP/IP model responsible forlocal network deliveryand direct interaction with the physical media and link-layer addressing. In TCP/IP terminology, this is theNetwork Access layer(also called the Link layer or Network Interface layer). It combines functions that map closely to the OSIData LinkandPhysicallayers.
This layer is essential for delivering frames within the same network segment because it governs how devices access the medium (e.g., Ethernet), how frames are formatted and transmitted, and how hardware addressing works.ARP (Address Resolution Protocol)is especially important here: it resolvesIP addresses to MAC addressesso that an IP packet can be encapsulated into a link-layer frame and delivered to the correct local host or next-hop gateway. Technologies like PPP/SLIP support point-to-point links, while Frame Relay/ATM represent WAN/link technologies, all of which still sit under IP and provide the mechanisms for moving data across the immediate network path.
TheInternet layerhandles IP routing between networks, theTransport layerprovides end-to-end host communications (TCP/UDP), and theApplication layerprovides user protocols. Therefore, the correct layer isNetwork access layer (A).
NEW QUESTION # 29
Sandra, a hacker, targeted Johana, a software professional, to steal her banking details. She started sending frequent, random pop-up messages with malicious links to her social media page. Johana accidentally clicked on a link, causing a malicious program to get installed in her system. Subsequently, when Johana attempted to access her banking website, the URL redirected her to a malicious website controlled by Sandra. Johana entered her banking credentials on the fake website, which Sandra then captured.
Identify the type of attack performed by Sandra on Johana.
- A. Dumpster diving
- B. Shoulder surfing
- C. Pharming
- D. Tailgating
Answer: C
Explanation:
The scenario describes a victim beingredirected from a legitimate banking URL to a fraudulent websitewithout intending to visit it, after malware is installed on the system. This behavior is characteristic ofpharming, an attack in which an adversarycauses redirectionto a malicious destination even when the user types the correct address or clicks a legitimate bookmark. In digital forensics references, pharming is commonly achieved by manipulatingname resolution or routing mechanisms, such as altering the localhosts file, changingDNS server settings, poisoning DNS responses, modifying browser proxy settings, or installing malware that intercepts and rewrites web requests. The key forensic indicator is that the victim's request for the real domain is transparently diverted to attacker-controlled infrastructure, where credentials are harvested through a convincing spoofed login page.
The other options do not match the redirection-and-fake-site mechanism.Tailgatingis physical access abuse (following someone into a secure area).Dumpster divinginvolves retrieving sensitive information from discarded materials.Shoulder surfingis observing credentials by watching the victim type. Because the essential action here ismalicious redirection to a fake site to steal credentials, the correct answer isPharming (A).
NEW QUESTION # 30
Jack, a forensic investigator, was appointed by an organization to perform a security audit on a Linux system.
In this process, Jack collected information about the present status of the system and listed all the applications running on various ports to detect malicious programs.
Which of the following commands can help Jack determine any programs/processes associated with open ports?
- A. ip r
- B. netstat -i
- C. netstat -rn
- D. netstat -tulpn
Answer: D
Explanation:
On Linux, a key step in a forensic triage or security audit is mappingopen/listening portsto theowning processso investigators can identify suspicious services (backdoors, unauthorized daemons, rogue remote- access tools) and correlate them with binaries, users, startup mechanisms, and timestamps. The command netstat -tulpnis designed for exactly this purpose. In this switch set:-tlimits output to TCP sockets,-uincludes UDP sockets,-lshows only listening sockets (open ports awaiting connections),-pdisplays the owningprocess name and PID, and-nprevents name resolution by showing numeric IP addresses and ports (faster and avoids altering evidence via DNS queries). This combination yields a concise list of active listening ports and the processes bound to them, which is highly valuable for detecting unexpected services and attributing network exposure to a specific executable.
The other options do not provide process-to-port attribution:netstat -ishows interface statistics,ip rshows the routing table, andnetstat -rndisplays the routing table in numeric form. Therefore, the correct command is netstat -tulpn(D).
NEW QUESTION # 31
Which of the following acts was passed by the U.S. Congress in 2002 to protect investors from the possibility of fraudulent accounting activities by corporations?
- A. The Electronic Communications Privacy Act
- B. Information Privacy Act 2014
- C. Sarbanes-Oxley Act (SOX)
- D. General Data Protection Regulation (GDPR)
Answer: C
Explanation:
TheSarbanes-Oxley Act (SOX)was enacted by the U.S. Congress in2002in response to major corporate accounting scandals and was specifically designed toprotect investorsby improving the accuracy, reliability, and integrity of corporate disclosures and financial reporting. SOX strengthens governance and accountability by requiring executive management (notably the CEO and CFO) to certify the correctness of financial statements and by mandating stronger internal controls over financial reporting. From a digital forensics and compliance perspective, SOX is closely tied to the need for reliableaudit trails, properrecords retention, and demonstrable control over systems that store or process financial data. Investigators frequently rely on SOX- driven logging, access controls, and change management records to determine who accessed financial systems, what changes were made, and whether those actions align with authorized procedures.
The other options do not match the question's purpose or jurisdiction: theElectronic Communications Privacy Actaddresses interception and access to electronic communications,GDPRis an EU data protection regulation (not a 2002 U.S. act focused on investor protection), and "Information Privacy Act 2014" is not the 2002 U.S.
corporate anti-fraud legislation. Therefore, the correct answer isSarbanes-Oxley Act (SOX) (C).
NEW QUESTION # 32
Steve, a professional hacker, attempted to hack Alice's banking account. To accomplish his goal, Steve used an automated tool to guess Alice's login credentials. The tool uses a trial-and-error method by attempting all possible combinations of usernames and passwords to determine the valid credentials.
Identify the type of attack initiated by Steve in the above scenario.
- A. Phishing attack
- B. Brute-force attack
- C. Trojan horse attack
- D. Data manipulation attack
Answer: B
Explanation:
The scenario describes an automated, trial-and-error attempt that triesall possible combinations of usernames and passwordsuntil a correct credential pair is found. This is the defining characteristic of abrute-force attack.
In digital forensics terminology, brute force is a direct password-guessing method that relies on exhaustive attempts (or systematically generated candidates) rather than tricking the user or exploiting a software flaw.
Investigators commonly recognize brute-force activity through artifacts such as repeated authentication failures in security logs, high-frequency login attempts from a single IP or distributed sources, account lockout events, and abnormal spikes in authentication traffic. In banking and web environments, it may also appear as repeated POST requests to login endpoints with varying credential pairs and consistent user-agent patterns, sometimes accompanied by throttling or CAPTCHA triggers.
The other options do not match the described "attempting all possible combinations" behavior.
Phishingobtains credentials by deception (fake emails/sites). ATrojan horsesteals data by running malicious code on the victim's system.Data manipulationfocuses on altering data integrity rather than credential guessing. Therefore, the correct attack type isBrute-force attack (A).
NEW QUESTION # 33
Identify the malware analysis technique in which the investigators must take a snapshot of the baseline state of the forensic workstation before malware execution.
- A. Online malware scanning
- B. Monitoring host integrity
- C. File fingerprinting
- D. String search
Answer: B
Explanation:
The technique described-taking a snapshot of the baseline state of the forensic workstation before executing malware-aligns withMonitoring host integrity. In malware forensics, investigators often perform controlled execution (dynamic analysis) and need a reliable way to identifywhat changed on the systemas a direct result of the malware run. Host integrity monitoring is a structured approach where the examiner first captures aknown-good baselineof critical system elements such as file system state (key directories, system binaries), registry/configuration state, running services, installed drivers, scheduled tasks, and sometimes hash inventories of important files. After malware execution, the investigator captures a second snapshot and performsdifferential comparisonto determine newly created/modified files, persistence mechanisms, configuration changes, dropped payloads, and tampering attempts.
This baseline-before/after comparison is fundamental for attributing changes to the sample, supporting repeatability, and documenting evidence in a defensible manner. The other options do not require a workstation baseline snapshot in this sense:online malware scanningchecks a file against signatures/reputation services;string searchextracts readable strings from binaries; andfile fingerprintingtypically refers to hashing to uniquely identify a file, not system-wide state comparison. Therefore, the correct answer isMonitoring host integrity (B).
NEW QUESTION # 34
Which of the following Tor relay nodes in the Tor circuit is designed to transfer data in an encrypted format?
- A. Middle relay
- B. Exit relay
- C. Entry relay
- D. Guard relay
Answer: A
Explanation:
In a standard Tor circuit, a client typically builds a three-hop path:Entry/Guard # Middle # Exit. Tor uses onion routing, where the client wraps the payload in multiple encryption layers-one for each hop. Each relay removes (decrypts) only its own layer to learn thenext hop, but not the complete route or the original payload in the clear. Themiddle relayis specifically positioned toforward traffic between the entry/guard and the exit while it remains onion-encrypted end-to-end within the Tor network. Because it neither connects to the user's local network (like the entry/guard) nor to the public destination (like the exit), its primary role isencrypted transit/forwarding, helping break the linkage between source and destination. By contrast, theexit relayis where traffic leaves Tor; unless the application layer uses TLS/HTTPS, the exit may deliver data to the destination inunencryptedform on the open Internet. Theentry/guardprotects against certain traffic-correlation risks by being stable, but it is not uniquely "the" encrypted-transfer node. Therefore, the best single answer isMiddle relay (D).
NEW QUESTION # 35
Which of the following techniques is used to compute the hash value for a given binary code to uniquely identify malware or periodically verify changes made to the binary code during analysis?
- A. Malware disassembly
- B. Local and online malware scanning
- C. Strings search
- D. File fingerprinting
Answer: D
Explanation:
File fingerprintingis the forensic technique of generating acryptographic hash(such as MD5, SHA-1, SHA-
256) for a file to create aunique, repeatable identifierfor that exact byte sequence. In malware forensics, analysts compute hashes to (1)uniquely identifya suspicious binary across cases and tools, (2) confirm whether two samples are identical or different variants, and (3)verify integrity over time-for example, ensuring the sample did not change during copying, extraction, sandbox handling, or during an analysis workflow that might inadvertently modify the file (e.g., patching, unpacking outputs, or tool-side normalization). Re-hashing at different stages provides a defensible way to demonstrate that the analyzed artifact is the same as the acquired artifact, supporting evidentiary integrity and chain-of-custody principles commonly emphasized in digital forensics documentation.
The other techniques do not primarily serve this purpose.Strings searchextracts readable text fragments but does not produce a unique integrity identifier.Local and online malware scanninguses signatures/reputation and may identify families, but it is not an integrity verification mechanism for the exact file bytes.Malware disassemblyhelps understand logic and instructions, not compute an identity hash. Therefore, the correct answer isFile fingerprinting (A).
NEW QUESTION # 36
Sam, a digital forensic expert, is working on a case related to file tampering in a system at the administrative department of an organization. In this process, Sam started performing the following steps to analyze the acquired data to draw conclusions related to the case.
1.Analyze the file content for data usage.
2.Analyze the date and time of file creation and modification.
3.Find the users associated with file creation, access, and file modification.
4.Determine the physical storage location of the file.
5.Generate a timeline.
6.Identify the root cause of the incident.
Identify the type of analysis performed by Sam in the above scenario.
- A. Data analysis
- B. Case analysis
- C. Search and seizure
- D. Reporting
Answer: A
Explanation:
The listed actions describe theexamination and interpretation of acquired evidence, which aligns withdata analysisin the digital forensics investigation process. After collection and acquisition, examiners analyze evidence by validating what the data contains (file content and usage), interpretingMAC times(creation
/modification and related timestamps), attributing actions tousers and accounts(who created, accessed, or modified the file), and determiningwhere the file resides physically/logicallyon storage (path, volume, clusters
/blocks, and whether it appears in allocated/unallocated areas). Generating atimelineis a core analytical task used to correlate file events with system activity and other artifacts to reconstruct sequence and intent. Finally,
"identify the root cause of the incident" represents the analytical conclusion derived from correlating artifacts and timeline events.
The other choices do not match the described work.Search and seizureis the legal/field activity of locating and securing evidence sources, not interpreting artifacts.Reportingis the documentation phase after analysis, where findings and methods are written up.Case analysisis broader and can include overall strategy and interpretation, but the question's focus is explicitly on analyzing acquired data and producing forensic conclusions, which isdata analysis.
NEW QUESTION # 37
Which of the following steps in forensic readiness planning provides a backup for future reference and assists in presenting evidence in a court of law?
- A. Identifying the potential evidence required for an incident
- B. Creating a process for documenting the procedure
- C. Determining the sources of evidence
- D. Keeping an incident response team ready to review the incident
Answer: B
Explanation:
In forensic readiness planning, the goal is to ensure that when an incident occurs, the organization can collect, preserve, and present digital evidence in a manner that remainsreliable, repeatable, and legally defensible. A key requirement for courtroom acceptance is cleardocumentation-often referred to as proper documentation and chain-of-custody support-showing what actions were taken, by whom, when, using which tools, and under what conditions. Creating a defined process for documenting procedures ensures investigators consistently record acquisition steps, handling methods, hashing/verification results, storage locations, access history, and any changes in evidence possession. This documentation becomes a "backup" in the sense that it preserves institutional memory of the investigation steps, allowing future reviewers (auditors, opposing experts, courts) to reconstruct and validate what occurred even long after the incident.
While identifying potential evidence (B) and determining evidence sources (C) are important readiness tasks, they do not themselves create the structured record needed to defend evidence integrity. Keeping an incident response team ready (D) supports operational response, but does not directly ensure admissibility. Therefore, the step that provides future reference and supports court presentation isCreating a process for documenting the procedure (A).
NEW QUESTION # 38
An organization decided to strengthen the security of its network by studying and analyzing the behavior of attackers. For this purpose, Steven, a security analyst, was instructed to deploy a device to bait attackers.
Steven selected a solution that appears to contain very useful information to lure attackers and find their locations and techniques.
Identify the type of device deployed by Steven in the above scenario.
- A. Intrusion detection system
- B. Router
- C. Firewall
- D. Honeypot
Answer: D
Explanation:
Ahoneypotis a deliberately deployed decoy system or service designed toattract attackersby appearing valuable or vulnerable, thereby enabling defenders to observe malicious behavior in a controlled manner.
Digital forensics and incident response references describe honeypots as tools forthreat intelligence and evidence collection, because they can record interaction details such as connection sources, exploited services, commands executed, malware dropped, and attempted privilege escalation. This directly matches the scenario: Steven deployed something that "appears to contain very useful information" tolure attackersand help identify theirlocations and techniques. Honeypots are typically instrumented with extensive logging and monitoring, making them especially useful for building timelines, extracting indicators of compromise, and understanding adversary tactics, techniques, and procedures.
The other options do not align with the "bait attackers" goal. AnIDSprimarily detects and alerts on suspicious activity but is not intended to impersonate a valuable target. Afirewallenforces access control rules to block
/allow traffic, not entice attackers. Arouterforwards packets and provides network connectivity; it is not a deception platform. Therefore, the device type described is aHoneypot (C).
NEW QUESTION # 39
A government organization decided to establish a computer forensics lab to perform transparent investigation processes on highly sensitive cases. The organization also decided to establish strong physical security around the premises of the forensics lab.
Which of the following security measures helps the organization in providing strong physical security to the forensics lab?
- A. Do not maintain a log register at the entrance of the lab
- B. Never place fire extinguishers in and outside the lab
- C. Shield workstations from transmitting electromagnetic signals
- D. Never keep the lab under surveillance
Answer: C
Explanation:
Forensics labs handling highly sensitive investigations must protect evidence confidentiality and prevent unauthorized disclosure. Strong physical security includes not only access control and surveillance, but also protections againstelectromagnetic (EM) emanationrisks. Computers and displays can unintentionally emit electromagnetic signals that, under certain conditions, may be intercepted and reconstructed to reveal sensitive information (for example, case notes, recovered evidence content, or credentials). Digital forensics lab design guidance recognizes this as a real threat in high-sensitivity environments and recommendsEM shielding / TEMPEST-style controlswhere appropriate. Shielding workstations reduces the chance of data leakage through side-channel interception and helps ensure that confidential investigative activities cannot be monitored from outside controlled areas.
The other options directly weaken physical security and safety. Fire extinguishers are required for facility safety and risk management, so "never place" them is unsafe and contrary to secure lab standards. Not maintaining an entrance log register undermines chain-of-custody support and accountability by removing a basic access auditing mechanism. "Never keep the lab under surveillance" removes a core deterrent and detection control for unauthorized entry, evidence tampering, and theft. Therefore, shielding workstations from transmitting electromagnetic signals is the only option thatstrengthensphysical security for a sensitive forensics lab.
NEW QUESTION # 40
Jack, a forensic investigator, was appointed to investigate a Windows-based security incident. In this process, he employed an Autopsy tool to recover the deleted files from unallocated space, which helps in gathering potential evidence.
Which of the following functions of Autopsy helped Jack recover the deleted files?
- A. Multimedia
- B. Web artifacts
- C. Data carving
- D. Timeline analysis
Answer: C
Explanation:
When a file is deleted on common file systems, the operating system typically removes the directory reference and marks the previously used clusters/blocks asunallocated, but the underlying file content may remain on disk until it is overwritten. Digital forensics procedures emphasize that recovering such deleted content often requires examining unallocated space rather than relying only on file system metadata.Autopsy's "Data Carving"function is specifically intended for this purpose: it scans unallocated space (and sometimes slack space) forfile signatures(headers/footers and internal structure patterns) and reconstructs recoverable files even when the original filename, path, or metadata is missing.
This directly matches the scenario: Jack recovered deleted files fromunallocated space, which is the classic use case for carving. The other options in Autopsy support different investigative goals.Timeline analysiscorrelates timestamps from multiple artifacts to reconstruct sequences of activity, but it does not itself reconstruct deleted file content from raw disk areas.Web artifactsfocuses on browser history, downloads, cookies, and related traces.Multimediahelps categorize and analyze media files (e.g., images/videos), but it is not the primary mechanism for recovering deleted data from unallocated space. Therefore, the Autopsy function that enabled the recovery described isData carving (D)
NEW QUESTION # 41
Below are the various steps involved in forensic readiness planning.
Keep an incident response team ready to review the incident and preserve the evidence.
Create a process for documenting the procedure.
Identify the potential evidence required for an incident.
Determine the sources of evidence.
Establish a legal advisory board to guide the investigation process.
Identify if the incident requires full or formal investigation.
Establish a policy for securely handling and storing the collected evidence.
Define a policy that determines the pathway to legally extract electronic evidence with minimal disruption.
Identify the correct sequence of steps involved in forensic readiness planning.
- A. 3-->4-->8-->7-->6-->2-->5-->1
- B. 1-->2-->3-->4-->5-->6-->7-->8
- C. 3-->1-->4-->5-->8-->2-->6-->7
- D. 2-->3-->1-->4-->6-->5-->7-->8
Answer: A
Explanation:
Forensic readiness planning focuses on ensuring an organization canlegally, efficiently, and reliablycollect usable digital evidence before an incident occurs. The planning sequence typically begins by definingwhat evidence would be neededto support likely incidents (3) and then mappingwhere that evidence residesacross systems, services, logs, endpoints, and network components (4). Once evidence needs and sources are known, readiness requires alegally compliant extraction pathwaythat minimizes business disruption and prevents evidence contamination (8). After defining extraction, an organization must formalizesecure handling and storage policies(chain of custody, access control, retention, integrity protection) so collected evidence remains admissible and trustworthy (7).
With those foundations in place, the organization can define decision criteria forwhen an event becomes a formal investigationand triggers deeper forensic procedures (6). A structureddocumentation processis then set so actions taken during acquisition and analysis are repeatable and defensible (2). Governance is reinforced by establishinglegal oversight/advisory supportto ensure compliance with jurisdictional requirements and internal policy (5). Finally, the plan is operationalized by ensuring anincident response team is preparedto preserve evidence promptly when incidents occur (1). Hence,3#4#8#7#6#2#5#1is the correct sequence.
NEW QUESTION # 42
A forensic investigator is collecting volatile data such as system information and network information present in the registries, cache, DLLs, and RAM of digital devices through its normal interface.
Identify the data acquisition method the investigator is performing.
- A. Static acquisition
- B. Dead acquisition
- C. Live acquisition
- D. Non-volatile data acquisition
Answer: C
Explanation:
The scenario describes the investigator collectingvolatileartifacts-specifically information inRAM, activeDLLs, system and network state, and transient data held incacheand similar runtime locations-through the device's normal interface while the system is running. In digital forensics documentation, this is the defining characteristic oflive acquisition(also called live response). Live acquisition is performed when the system remains powered on so that investigators can capture evidence that would be lost on shutdown, such as running processes, open network connections, logged-on sessions, loaded modules/DLLs, encryption keys, and portions of registry data that exist in memory or are actively changing.
By contrast,static acquisitionanddead acquisitionare conducted when the system is powered off (or the evidence drive is imaged outside the running OS), focusing primarily on persistent storage such as disk sectors and file system structures.Non-volatile data acquisitionrefers to collecting persistent data stored on media (e.g., files on disk), which does not match the emphasis on RAM and other volatile components in the question. Because the investigator is explicitly collecting volatile data from a running system via its normal interface, the correct method isLive acquisition (B).
NEW QUESTION # 43
Clark, a security professional, identified that one of the systems in the organization is infected with malware and was used for creating a backdoor. Clark employed an automated tool to analyze the system's memory and detect malicious activities performed on the system.
In the above scenario, which of the following tools did Clark employ to detect malicious activities performed on the system?
- A. Redline
- B. Wireshark
- C. Medusa
- D. Shodan
Answer: A
Explanation:
The question specifies anautomated tool to analyze the system's memoryand detect malicious activity associated with amalware backdoor. In malware forensics and incident response practice, memory analysis is used to identify artifacts that may not be reliably visible on disk, such as injected code, hidden processes, suspicious DLLs/modules, live network connections, persistence objects loaded in memory, and indicators of compromise tied to backdoors.Redline(commonly referenced in DFIR training) is purpose-built forhost investigation and memory analysis. It can collect and analyze volatile data, including running processes, loaded modules, handles, drivers, network sessions, and other runtime indicators that help investigators spot malicious behavior and attribute it to specific executables or injected components.
The other options do not align with memory forensics.Medusais primarily a credential brute-force/login auditing tool, not a memory analysis utility.Shodanis an Internet-wide device search engine used for external reconnaissance, not for local host RAM inspection.Wiresharkis a packet capture and protocol analysis tool focused on network traffic, not automated memory artifact collection and analysis. Therefore, the tool Clark used to analyze memory and detect malicious activity isRedline (B).
NEW QUESTION # 44
Below is an extracted Apache error log entry.
"[Wed Aug 28 13:35:38.878945 2020] [core:error] [pid 12356:tid 8689896234] [client 10.0.0.8] File not found: /images/folder/pic.jpg" Identify the element in the Apache error log entry above that represents the IP address from which the request was made.
- A. 10.0.0.8
- B. 0
- C. 13:35:38.878945
- D. 1
Answer: A
Explanation:
Apache error logs record key metadata about server-side events in a structured format that is widely used in web attack investigations. In the provided entry, each bracketed field represents a specific attribute: the first bracket contains the timestamp, the next contains the module and severity (e.g.,core:error), then the process
/thread identifiers (pidandtid), followed by the client identifier. The client field is explicitly labeled[client ...], and it captures thesource IP address(or sometimes hostname) that initiated the HTTP request which resulted in the logged error.
Here,[client 10.0.0.8]indicates that the request originated from IP address10.0.0.8. This is the critical element investigators use to attribute suspicious activity (such as probing for missing files, scanning directories, or exploitation attempts) to a specific network source. The other values are not the client IP:13:35:38.878945is the time component of the timestamp,12356is the Apache process ID, and8689896234is the thread ID handling the request. Therefore, the IP address from which the request was made is10.0.0.8 (C).
NEW QUESTION # 45
Kelly, a professional hacker, used her laptop to perform illegal cyber activities for monetary gain on many victims. She securely locked her laptop using BitLocker software. Using this tool, she locked an entire volume using a secret key to deny access to the system.
Identify the anti-forensic technique used by Don in the above scenario.
- A. Artifact wiping
- B. File carving
- C. Encryption
- D. Trail obfuscation
Answer: C
Explanation:
The scenario describes the use ofBitLockerto lock an entire disk volume with asecret key, preventing access to the contents. In digital forensics, this is a classic example ofencryption as an anti-forensics technique. Full- disk or full-volume encryption transforms readable data into ciphertext using cryptographic algorithms so that, without the correct key (password, recovery key, TPM-bound protector, etc.), the data is computationally infeasible to interpret. This directly obstructs evidence acquisition and analysis because a forensic image of the drive will largely contain encrypted blocks rather than interpretable file system structures and user data.
This differs from the other options:file carvingis a forensic recovery method (often used by investigators) that reconstructs files from unallocated space; it is not an anti-forensics method used to block access.Artifact wipingattempts to erase traces by deleting or overwriting files, logs, or free space, but it does not inherently prevent access to remaining data if wiping is incomplete.Trail obfuscationinvolves misleading or altering logs and traces to confuse investigators, whereas encryption primarilydenies content visibilityby design. Because BitLocker is explicitly a volume encryption mechanism used here to deny access, the correct anti-forensic technique isEncryption (D).
NEW QUESTION # 46
Benoy, a security professional at an organization, extracted Apache access log entries to view critical information about all the operations performed on a web server. The Apache access log extracted by Benoy is given below:
"10.10.10.10 - Jason [17/Aug/2019:00:12:34 +0300] "GET /images/content/bg_body_1.jpg HTTP/1.0" 500
1458"
Identify the HTTP status code in the Apache access log entry above that indicates the response was successful.
- A. +0300
- B. 0
- C. 1.0
- D. 1
Answer: D
Explanation:
In the Apache Combined/Custom access log format, the value immediately after the quoted request (here," GET ... HTTP/1.0") is theHTTP status codereturned by the server. In the provided entry, that field is500.
From a forensic analysis standpoint, recognizing field positions matters because investigators correlate client IPs, timestamps, requested resources, and server outcomes to reconstruct attack timelines and identify failed exploitation attempts or misconfigurations.
It is important to note thatsuccessful HTTP responses are typically in the 2xx range, most commonly200 (OK), while3xxindicates redirects,4xxindicates client-side errors (such as 404 Not Found), and5xxindicates server-side failures. Specifically,500represents anInternal Server Error, meaning the server encountered an unexpected condition and could not fulfill the request successfully.
The other options are not HTTP status codes in this entry:+0300is the timezone offset in the timestamp,1.0is the HTTP protocol version, and2019is part of the date. Therefore, the only HTTP status code present-and the correct choice among the options-is500 (B), even though it reflects an error rather than success.
NEW QUESTION # 47
Given below is a regex signature used by security professionals for detecting an XSS attack:
/((%3C)|<)[^\n]+((%3E)|>)/i
Which of the following types of XSS attack does the above regex expression detect?
- A. CSS attack
- B. In-line comment XSS attack
- C. Simple XSS attack
- D. HTML tags-based XSS attempt
Answer: D
Explanation:
The regex/((%3C)|<)[^\n]+((%3E)|>)/iis designed to detectHTML tag injection patterns, which are a common indicator of XSS payloads. It matches either a literal"<"character or its URL-encoded form"%3C"(case- insensitive due to theiflag), followed by one or more characters that are not a newline ([^\n]+), and then either a literal">"or its encoded form"%3E". This pattern essentially looks foranything that resembles an HTML tag, such as<script>,<img ...>,<svg ...>, or other element constructs that attackers frequently use to execute JavaScript via attributes likeonerror,onload, etc.
In web-attack investigations, this kind of signature is used during log review and input validation checks to flag requests containing tag delimiters, because many reflected/stored XSS attempts rely on injecting markup into an HTML context. It does not specifically target CSS-only payloads, nor inline comments, and "simple XSS" is too vague; the expression is explicitly focused onangle-bracket (or encoded) tag structures, which correspond most directly toHTML tags-based XSS attempts.
NEW QUESTION # 48
Which of the following network protocols creates secure tunneling through which content obfuscation can be achieved?
- A. UDP
- B. SNMP
- C. ARP
- D. SSH
Answer: D
Explanation:
SSH (Secure Shell)is specifically designed to provide anencrypted channelover an untrusted network. In digital forensics and incident response, SSH is well known for supportingtunneling/port forwarding, where traffic for another protocol (for example, HTTP, database connections, or remote desktop) is encapsulated inside an SSH session. Because the SSH session encrypts payload data (and can also protect authentication and command content), the tunneled traffic becomesobfuscated to network monitoring toolsthat can only see metadata such as source/destination IPs, port numbers (often TCP/22), timing, and byte counts. This capability is frequently discussed in forensic references as a mechanism that can hinder content inspection and complicate attribution of user actions purely from packet payload analysis.
By contrast,SNMPis primarily for network management and monitoring, not secure tunneling.ARPresolves IP- to-MAC addresses on local networks and does not provide encryption or tunneling.UDPis a transport protocol that can carry data for many applications but provides no built-in security or tunneling features by itself.
Therefore, the protocol that creates secure tunneling enabling content obfuscation isSSH (C).
event logs) to establish user intent and sequence of actions. Therefore, the correct option isBrowsingHistoryView (B).
NEW QUESTION # 49
Which of the following file systems is developed by Apple to support Mac OS in its proprietary Macintosh system and replace the Macintosh File System (MFS)?
- A. Hierarchical File System
- B. Apple File System
- C. Filesystem Hierarchy Standard
- D. New Technology File System
Answer: A
Explanation:
Apple's original Macintosh computers initially usedMFS (Macintosh File System), which had important limitations, including a relatively flat directory model and constraints that became problematic as storage sizes and file organization needs grew. To address these limitations, Apple introducedHFS (Hierarchical File System)-explicitly designed to replace MFS and provide a truehierarchical directory structure(folders within folders), improved metadata handling, and better scalability for the Macintosh platform. From a digital forensics perspective, this historical transition matters because examiners may encounter legacy Macintosh media or disk images where understanding the file system family helps interpret catalog structures, allocation behavior, and metadata artifacts.
The other options do not fit the "replace MFS" requirement.NTFSis Microsoft's Windows file system.APFS (Apple File System)is Apple's modern file system introduced much later (primarily for SSDs, with features like snapshots and strong encryption support) and it replaced HFS+ in newer macOS versions-not MFS.
Filesystem Hierarchy Standard (FHS)is a UNIX/Linux directory layout standard, not a Macintosh disk file system. Therefore, the Apple-developed file system that replaced MFS isHierarchical File System (HFS), which corresponds toOption D.
NEW QUESTION # 50
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