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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security Operations | 34% | - Security Monitoring and Analysis
|
| Topic 2: Reporting and Communication | 16% | - Documentation and Stakeholder Communication
|
| Topic 3: Incident Response and Management | 24% | - Incident Handling and Investigation
|
| Topic 4: Vulnerability Management | 26% | - Vulnerability Assessment and Remediation
|
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NEW QUESTION # 157
Which of the following should a cybersecurity analyst utilize when a notification is inaccurate?
Answer: D
NEW QUESTION # 158
A security analyst must identify documents that contain encoded ActiveMime payloads in a directory containing thousands of files. The analyst runs the following command:
grep -rail ActiveMime *
The command returns no output. Which of the following Yet Another Recursive Acronym (YARA) rules should the analyst use to find the suspicious files?
Answer: C
Explanation:
The payload contains an encoded ActiveMime string, so the YARA base64 modifier searches for its Base64-encoded forms. A normal grep search cannot find the plaintext string.
NEW QUESTION # 159
A server was recently compromised. A security analyst needs to collect artifacts for further analysis before disconnecting the server from the network.
Which of the following artifacts should the analyst collect first?
Answer: D
Explanation:
The analyst should collect the Netstat output first because current network-connection information is highly volatile and will change immediately when the server is disconnected. netstat-type evidence can identify active TCP/UDP connections, listening services, remote endpoints, and potentially the communication channels associated with an attacker or command-and-control infrastructure.
Digital-forensic acquisition follows the order of volatility : evidence most likely to disappear or change should be captured before more persistent artifacts. RFC 3227 explicitly directs investigators to proceed from volatile to less-volatile evidence and identifies information such as routing data, ARP cache, process state, memory-related information, and network state as highly time-sensitive.
The ARP table is also volatile and should be captured early, but the wording "before disconnecting the server from the network" makes active connection state particularly important because those sessions will terminate when network connectivity is removed. ShellBags are persistent forensic artifacts stored within Windows Registry data and can be collected later from disk. A hard-disk image is critical but comparatively nonvolatile and should follow acquisition of live state.
Therefore, live network-session information takes priority.
Study Guide Reference: Incident Response and Management # Evidence Acquisition # Order of Volatility # Live Response # netstat # Network Connections # Forensic Preservation.
NEW QUESTION # 160
A security analyst discovers multiple log entries from a recently acquired tool that was bundled as a YUM package. Those entries point to attempts of privilege escalation. Which of the following Is the most likely explanation?
Answer: B
Explanation:
Installing a YUM package without performing a GPG signature check means its authenticity and integrity were never verified. This allows a tampered or malicious package to be installed, which can then attempt privilege escalation - matching the suspicious log entries observed by the analyst.
NEW QUESTION # 161
A security analyst uses a full pcap solution to extract all traffic from the last two days associated with the
10.213.4.27 file server.
This file server is under investigation due to concerns about potential data exfiltration using Domain Name System (DNS) traffic.
Which of the following commands should the analyst use to extract any potentially leaked data from the suspicious.pcap file?
Answer: B
Explanation:
Option D applies the correct packet-filtering logic to isolate DNS-related traffic associated with the suspected server . The -r suspicious.pcap option directs tcpdump to read packets from the existing PCAP rather than capture live traffic. The expression port 53 and host 10.213.4.27 then limits output to packets involving the specified system and DNS's conventional port 53.
This is directly relevant to suspected DNS exfiltration. Attackers can encode data within DNS queries or responses, including unusually long subdomains or other manipulated DNS fields. Isolating the target's port
53 traffic dramatically reduces the dataset and allows the analyst to examine relevant queries and responses for encoded or anomalous information.
strings suspicious.pcap | grep treats the capture primarily as raw printable data and does not accurately perform protocol-aware packet filtering. The Zeek option searches file.log, which is focused on files observed in network traffic and is not the most direct location for DNS-query analysis. The Snort syntax shown is also inappropriate for the required extraction workflow.
The essential skill is translating an investigative hypothesis- possible DNS exfiltration by a known host - into a precise PCAP filter.
Study Guide Reference: Security Operations # Network Traffic Analysis # Full Packet Capture # tcpdump # BPF Filters # DNS Analysis # Data Exfiltration Detection.
NEW QUESTION # 162
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