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CAS-005 · Question #257

A company's internal network is experiencing a security breach, and the threat actor is still active. Due to business requirements, users in this environment are allowed to utilize multiple machines a

The correct answer is C. user-c. User user-c is showing anomalous behavior across multiple machines, attempting to run administrative tools such as cmd.exe and appwiz.CPL, which are commonly used by attackers for system modification. The activity pattern suggests a lateral movement attempt, potentially indicatin

Submitted by takeshi77· Mar 6, 2026Security Operations

Question

A company's internal network is experiencing a security breach, and the threat actor is still active. Due to business requirements, users in this environment are allowed to utilize multiple machines at the same time. Given the following log snippet:

Which of the following accounts should a security analyst disable to best contain the incident without impacting valid users?

Exhibits

CAS-005 question #257 exhibit 1
CAS-005 question #257 exhibit 2

Options

  • Auser-a
  • Buser-b
  • Cuser-c
  • Duser-d

How the community answered

(35 responses)
  • A
    9% (3)
  • B
    20% (7)
  • C
    69% (24)
  • D
    3% (1)

Explanation

User user-c is showing anomalous behavior across multiple machines, attempting to run administrative tools such as cmd.exe and appwiz.CPL, which are commonly used by attackers for system modification. The activity pattern suggests a lateral movement attempt, potentially indicating a compromised account.

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