最新112-57題庫資訊 - 112-57考題寶典

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EC-COUNCIL 112-57 考試大綱：

主題簡介
主題 1
  • Data Acquisition and Duplication: This module focuses on methods for collecting and duplicating digital evidence. It explains acquisition techniques, formats, and procedures used to create forensic images and capture system memory.
主題 2
  • Computer Forensics Fundamentals: This module introduces the core concepts of computer forensics, including digital evidence, forensic readiness, and the role of investigators. It also explains legal and compliance requirements involved in forensic investigations.
主題 3
  • Dark Web Forensics: This module explains the investigation of dark web activities, including analyzing artifacts related to the Tor browser and identifying dark web usage on systems.
主題 4
  • Malware Forensics: This module introduces malware investigation techniques, including static and dynamic analysis, and examining system and network behavior to understand malicious activity.
主題 5
  • Investigating Web Attacks: This module focuses on analyzing web application attacks through server logs and detecting malicious activities targeting web servers and applications.
主題 6
  • Network Forensics: This module introduces network forensic concepts, including event correlation, analyzing network logs, identifying indicators of compromise, and investigating network traffic.
主題 7
  • Defeating Anti-forensics Techniques: This module discusses anti-forensic methods used to hide or destroy evidence. It also explains techniques investigators use to detect hidden data and recover deleted or protected information.
主題 8
  • Linux and Mac Forensics: This module explains forensic analysis techniques for Linux and Mac systems. It focuses on analyzing system data, file systems, and memory to recover digital evidence.

>> 最新112-57題庫資訊 <<

更新的EC-COUNCIL 最新112-57題庫資訊是行業領先材料＆有效的112-57：EC-Council Digital Forensics Essentials (DFE)

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最新的 EC-COUNCIL DEF 112-57 免費考試真題 (Q39-Q44):

問題 #39
Cooper, a forensic analyst, was examining a RAM dump extracted from a Linux system. In this process, he employed an automated tool, Volatility Framework, to identify any malicious code hidden inside the memory.
Which of the following plugins of the Volatility Framework helps Cooper detect hidden or injected files in the memory?

答案：D

解題說明：
In memory forensics, "hidden or injected" malicious code typically refers toprocess injection,code caves, unbacked executable mappings, or regions of memory that aremarked executablebut do not align with normal, file-backed program segments. The Volatility Framework provides specialized plugins to locate these suspicious patterns.linux_malfindis the plugin designed to detectpotentially injected codeby scanning a process's memory mappings for characteristics that commonly indicate malicious presence-such asexecutable anonymous mappings, unusual permissions (e.g., RWX), and memory regions that contain shellcode-like byte patterns. This is highly relevant when malware attempts to avoid disk artifacts by living in memory or by injecting payloads into legitimate processes.
By contrast,linux_netstatis used to enumerate network connections and sockets from memory (useful for C2 analysis), but it does not focus on injected code regions.ip addr showandnmap -sU localhostare live-system networking commands, not Volatility plugins, and they are not suitable for analyzing a captured RAM image.
Therefore, to detect hidden/injected malicious code in a Linux RAM dump using Volatility, the correct plugin islinux_malfind (A).


問題 #40
Bob, a network specialist in an organization, is attempting to identify malicious activities in the network. In this process, Bob analyzed specific data that provided him a summary of a conversation between two network devices, including a source IP and source port, a destination IP and destination port, the duration of the conversation, and the information shared during the conversation.
Which of the following types of network-based evidence was collected by Bob in the above scenario?

答案：C

解題說明：
The description matchessession data, often calledflow records(for example, NetFlow/IPFIX-style evidence).
In network forensics, session/flow evidence summarizes a communication "conversation" between two endpoints using the5-tuple(source IP, source port, destination IP, destination port, and protocol) and typically addsstart/end time or duration,bytes/packets sent, and sometimes directionality. This allows an investigator to reconstructwho talked to whom, when, and for how long, even when packet payloads are unavailable (because of encryption, storage limits, or privacy constraints).
"Full content data" refers to complete packet captures (PCAP) containing payload bytes; that is far more detailed and would include the actual transmitted content, not just a summary. "Statistical data" is broader aggregate metrics (overall bandwidth trends, interface counters) and generally lacks per-conversation attribution. "Alert data" comes from IDS/IPS/SIEM detections and represents triggered events or signatures, not a neutral conversation summary.
Because Bob's evidence contains per-connection identifiers (IPs/ports) and conversation duration-typical of flow/session summaries-the correct evidence type isSession data (C).


問題 #41
John, a forensic officer, was working on a criminal case. He employed imaging software to create a copy of data from the suspect device on a storage medium for further investigation. For developing an image of the original data, John used a software application that does not allow an unauthorized user to alter the image content on storage media, thereby retaining an unaltered image copy.
Identify the data acquisition step performed by John in the above scenario.

答案：C

解題說明：
The scenario emphasizes that John used an application (or mechanism) thatprevents alteration of the acquired image content, ensuring the image remainsunalteredand protected from unauthorized modification. In forensic acquisition standards, this corresponds toenabling write protectionduring imaging-commonly implemented using awrite blocker(hardware or controlled software write-protection) to prevent any writes to the source evidence and, where applicable, to protect the integrity of the evidence copy from accidental or unauthorized changes. The purpose is to preserve evidential integrity by ensuring that neither the original media nor the forensic image is modified during handling, analysis preparation, or transfer.
"Validated data acquisition" refers to confirming the image is an exact duplicate, typically by computing and comparing cryptographic hashes (e.g., MD5/SHA) of the source and the acquired image. While validation is essential, the question specifically highlightspreventing alteration, not verifying equality. "Sanitized the target media" is the step of wiping/clearing the destination drive before acquisition to avoid contamination, which is not what is described. "Planned for contingency" relates to operational planning for unexpected issues (equipment failure, encryption, power loss), not integrity protection. Therefore, the best match isEnabled write protection on the evidence media (A).


問題 #42
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?

答案：D

解題說明：
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)


問題 #43
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.

答案：C

解題說明：
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.


問題 #44
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