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Cisco Conducting Threat Hunting and Defending using Cisco Technologies for CyberOps Sample Questions (Q84-Q89):

NEW QUESTION # 84
What is the purpose of hypothesis generation in the threat hunting process?

A. To classify threat actors
B. To rule out false positives
C. To validate known threats
D. To identify potential threats

Answer: D

NEW QUESTION # 85
A threat hunter is performing a structured hunt usingCisco Secure Endpoint (AMP)telemetry to identify credential harvesting activity. Which data source is MOST critical during thedata collection and processing phaseof the hunt?

A. File reputation scores from Talos
B. User-reported suspicious activity
C. Endpoint process execution and memory access events
D. Threat intelligence reports from external vendors

Answer: C

Explanation:
The correct answer isendpoint process execution and memory access events. During thedata collection and processing phase, the goal is to gatherhigh-fidelity telemetrythat supports hypothesis validation.
Credential harvesting often occurswithout dropping malwareand instead relies on:
* Memory scraping
* LSASS access
* Credential dumping tools
* In-memory execution
Cisco Secure Endpoint provides deep visibility into:
* Process creation and parent-child relationships
* Memory access attempts
* Privilege abuse
* Fileless execution
Option A provides enrichment but not raw behavioral evidence. Option C supports context but does not replace endpoint telemetry. Option D is reactive and unreliable for structured hunts.
Within theCBRTHD threat hunting lifecycle, this phase emphasizesevidence over indicators. Without endpoint execution and memory telemetry, hunters cannot reliably confirm credential access techniques.
This aligns withMITRE ATT&CK Credential Accesstactics and Cisco's emphasis onendpoint behavioral analytics.
Thus,Option Bis the correct answer.

NEW QUESTION # 86
Which of the following is NOT a common outcome of successful threat hunting activities?

A. Enhanced knowledge of the threat landscape
B. Reduction in dwell time of threats
C. Decreased network visibility
D. Improved incident response capabilities

Answer: C

NEW QUESTION # 87
Which of the following indicates an authorized assessment rather than an attack?

A. A detailed report provided at the end of the activities
B. Quick escalation of privileges upon entry
C. Presence of a payload that encrypts data for ransom
D. Use of a known exploit tool

Answer: A

NEW QUESTION # 88

Refer to the exhibit. Which technique is used by the attacker?

A. Set up persistence by creating a shortcut for the malicious macro in the user's Startup directory
B. Use a base64-encoded VBScript that is decoded and executed on the endpoint.
C. Scan using a batch file created on the fly that contains the command.
D. Perform a preliminary check to verify if the victim has already been compromised.

Answer: B

Explanation:
The correct answer isC. Use a Base64-encoded VBScript that is decoded and executed on the endpoint.
The exhibit clearly shows aVBScript-based attack chainthat relies onBase64 encodingto obfuscate malicious content and evade basic detection mechanisms.
In the code snippet, the function call afghhha("aHR0cHM6Ly9z...") contains a string that is visiblyBase64- encoded. When decoded, Base64 strings commonly reveal URLs, commands, or additional script logic. The script then uses WinHttpReq.Open and WinHttpReq.Send to retrieve remote content over HTTP, extracts a specific portion of the response using string manipulation (InStr, Mid), and executes it dynamically using the execute() function. This is a strong indicator ofliving-off-the-land scripting abuse, where native Windows scripting engines are leveraged for malicious purposes.
From a MITRE ATT&CK perspective, this behavior aligns withCommand and Scripting Interpreter (T1059), specificallyVBScript (T1059.005), and includes elements ofObfuscated/Encoded Files or Information (T1027). Encoding payloads in Base64 helps attackers bypass signature-based detection tools and makes static analysis more difficult.
Option A is incorrect because the script does not perform checks to determine prior compromise; instead, it actively retrieves and executes payloads. Option B is incorrect because no batch file creation is shown. Option D is also incorrect, as there is no evidence of persistence mechanisms such as Startup folder modification or shortcut creation. The wscript.Sleep function indicates periodic execution or beaconing, but persistence itself is not established in the shown code.
For threat hunters and SOC analysts, this technique highlights the importance of monitoringscript interpreter usage,encoded command execution,suspicious WinHTTP requests, anddynamic code execution via execute(). Detecting encoded scripts and abnormal scripting behavior is critical, as these techniques are widely used in phishing payloads, malware loaders, and initial access tooling.
In professional environments, defenders should combine EDR behavioral detections, script block logging, AMSI integration, and network telemetry to effectively identify and disrupt this attack technique.

NEW QUESTION # 89
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Cisco 300-220 Exam Questions - The Advantages of PassExamDumps Preparation Material

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Cisco Conducting Threat Hunting and Defending using Cisco Technologies for CyberOps Sample Questions (Q84-Q89):