Andrew, a system administrator, is performing a UEFI boot process. The current phase of the UEFI boot process consists of the initialization code that the system executes after powering on the EFI system. This phase also manages platform reset events and sets up the system so that it can find, validate, install, and run the PEI.
Which of the following UEFI boot phases is the process currently in?
The scenario accurately describes the functions of the PEI phase within the UEFI boot process:
PEI Phase Key Characteristics:
Early Hardware Initialization:The PEI phase is responsible for finding and initializing essential hardware components, like the CPU and the minimum amount of RAM needed for the system to function.
Foundation for Later Stages:It establishes the groundwork for subsequent UEFI phases by creating data structures (Hand-Off Blocks or HOBs) that communicate vital information.
Focus on DXE Initiation:The primary goal of the PEI phase is to prepare the system for the Driver Execution Environment (DXE) phase.
A system that a cybercriminal was suspected to have used for performing an anti-social activity through the Tor browser. James reviewed the active network connections established using specific ports via Tor.
Which of the following port numbers does Tor use for establishing a connection via Tor nodes?
Tor Network Functionality:The Tor network is designed to protect user anonymity by routing traffic through a series of relays (nodes). This obfuscates the source of the traffic and makes it difficult to trace.
SOCKS Proxy:Tor primarily functions as a SOCKS proxy to facilitate this anonymization. Applications configured to use Tor's SOCKS proxy will have their traffic routed through the Tor network.
Default Ports:
9050:The standard SOCKS port used by standalone Tor installations.
9150:The typical SOCKS port for the Tor Browser Bundle, a self-contained package with Tor and a pre-configured browser.
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?
Comprehensive Explanation: TheAutopsytool is a digital forensics platform that assists investigators in analyzing and recovering evidence from various sources. One of its crucial functions isdata carving. Here's how it works:
Data Carving:
Data carving, also known asfile carving, is a technique used to retrieve files from unallocated space on storage devices.
When files are deleted, they may not be immediately overwritten. Instead, their remnants remain in unallocated areas of the storage medium.
Autopsy'sPhotoRec Carver moduleperforms data carving by scanning unallocated space, identifying file signatures, and recovering deleted files.
These files are often found in seemingly ''empty'' portions of the device storage.
By analyzing unallocated space, Autopsy can uncover potential evidence that was previously deleted.
EC-Council Certified Security Specialist (E|CSS) documents and study guide.
While investigating a web attack on a Windows-based server, Jessy executed the following command on her system:
C:\> net view <10.10.10.11>
What was Jessy's objective in running the above command?
This command does not verify users using open sessions, check file space usage, or check whether sessions have been opened with other systems. Instead, it specifically lists the shared resources, which can include file shares and printer shares, providing insight into what is being shared from the server in question. This information is crucial during a forensic investigation of a web attack to understand if and how the server's shared resources were compromised or utilized by the attacker.
Clark, a digital forensic expert, was assigned to investigate a malicious activity performed on an organization's network. The organization provided Clark with all the information related to the incident. In this process, he assessed the impact of the incident on the organization, reasons for and source of the incident, steps required to tackle the incident, investigating team required to handle the case, investigative procedures, and possible outcome of the forensic process.
Identify the type of analysis performed by Clark in the above scenario.
In the given scenario, Clark performed acase analysis. This involves assessing the impact of the incident, understanding its reasons and source, determining the necessary steps to address it, assembling an investigative team, defining investigative procedures, and considering potential outcomes of the forensic process. Case analysis is crucial in digital forensics to effectively handle incidents and gather relevant evidence.
https://www.eccouncil.org/train-certify/certified-soc-analyst-csa/
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