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CertNexus CyberSec First Responder (CFR)の疑問にお答えします

CertNexus CyberSec First Responder (CFR) 認定 CFR-310 試験問題：

問題 #1

A first responder notices a file with a large amount of clipboard information stored in it. Which part of the MITRE ATT&CK matrix has the responder discovered?

A. Exfiltration
B. Lateral movement
C. Collection
D. Discovery

問題 #2

It was recently discovered that many of an organization's servers were running unauthorized cryptocurrency mining software. Which of the following assets were being targeted in this attack? (Choose two.)

A. Computing resources
B. Financial resources
C. Network resources
D. Disk resources
E. Power resources

問題 #3

After imaging a disk as part of an investigation, a forensics analyst wants to hash the image using a tool that supports piecewise hashing. Which of the following tools should the analyst use?

A. hashdeep
B. sha256sum
C. md5deep
D. md5sum

問題 #4

A secretary receives an email from a friend with a picture of a kitten in it. The secretary forwards it to the
~COMPANYWIDE mailing list and, shortly thereafter, users across the company receive the following message:
"You seem tense. Take a deep breath and relax!"
The incident response team is activated and opens the picture in a virtual machine to test it. After a short analysis, the following code is found in C:
\Temp\chill.exe:Powershell.exe -Command "do {(for /L %i in (2,1,254) do shutdown /r /m Error! Hyperlink reference not valid.> /f /t / 0 (/c "You seem tense. Take a deep breath and relax!");Start-Sleep -s 900) } while(1)" Which of the following BEST represents what the attacker was trying to accomplish?

A. Taunt the user and then trigger a reboot every 900 minutes.
B. Taunt the user and then trigger a reboot every 15 minutes.
C. Taunt the user and then trigger a shutdown every 15 minutes.
D. Taunt the user and then trigger a shutdown every 900 minutes.

問題 #5

A web server is under a denial of service (DoS) attack. The administrator reviews logs and creates an access control list (ACL) to stop the attack. Which of the following technologies could perform these steps automatically in the future?

A. Blacklisting
B. Whitelisting
C. Intrusion prevention system (IPS)
D. Intrusion detection system (IDS)

解説：