CAS-004 Security Operations Practice Question
A security team is analyzing a suspicious binary using static analysis. They run the strings command and observe references to 'CreateRemoteThread' and 'WriteProcessMemory'. Which technique is the binary likely employing?
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
✓
Process injection
CreateRemoteThread and WriteProcessMemory are commonly used for process injection, allowing code execution in another process's address space.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DLL sideloading
Why it's wrong here
DLL sideloading involves placing a malicious DLL in a search path, not these API calls.
- ✗
Reflective DLL loading
Why it's wrong here
Reflective DLL loading loads a DLL from memory, but the cited APIs are more specific to injection.
- ✓
Process injection
Why this is correct
These API calls are typical of process injection techniques.
- ✗
API hooking
Why it's wrong here
API hooking intercepts API calls, but the cited APIs are used to perform injection.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CAS-005 exam.