200-201 Host-Based Analysis Practice Question
An analyst is investigating a Windows host for malware persistence. Which TWO registry locations are commonly abused for persistence by modifying the 'Run' key? (Select TWO)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Both HKLM and HKCU Run keys are commonly used for persistence.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
Why it's wrong here
Winlogon persistence abuses the Shell, Userinit or Notify values, not a Run key, so it fails the stem's specific requirement. It is tempting because Winlogon is a well-known autostart location, and it would be correct if the question asked which key hosts Userinit rather than Run.
- ✓
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Why this is correct
The HKLM Run key executes programs at logon for all users and needs administrative privileges to modify. Malware with elevated access writes here for system-wide persistence, satisfying the scenario's requirement for a commonly abused Run-key location on the Windows host.
- ✓
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Why this is correct
The HKCU Run key loads programs at logon for the current user only, requiring no administrative rights. Malware writes here to achieve per-user persistence, satisfying the scenario's requirement for a commonly abused Run-key location on the investigated Windows host.
- ✗
HKLM\System\CurrentControlSet\Services
Why it's wrong here
The Services subkey stores installed service definitions, which malware can abuse, but it is not a Run key; persistence there requires creating or modifying a service. Run keys sit under CurrentVersion\Run in HKLM or HKCU, which is what the question asks for.
- ✗
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Why it's wrong here
User Shell Folders defines profile path locations, not autostart entries, so writing here does not execute code at logon. It is tempting because it sits under the same Explorer key tree as genuine Run keys, but it would only be the answer if the question asked where folder redirection paths are configured.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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