200-201 Host-Based Analysis Practice Question
An analyst uses 'sc query' on a Windows host and finds a service named 'WindowsUpdate' with a binary path pointing to 'C:\Users\Public\update.exe'. The service is running. Why is this suspicious?
⚠ Common exam trap
Cisco often tests the misconception that a service name or display name alone is the red flag, when in fact the critical indicator is the binary path location outside of system directories.
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
✓
The binary path is not in a system directory
Legitimate Windows services, especially those mimicking system components like Windows Update, should have their binary paths in protected system directories (e.g., C:\Windows\System32). A binary path pointing to C:\Users\Public\update.exe indicates the executable is in a user-writable location, which is a common technique used by malware to evade detection and maintain persistence. The 'sc query' command reveals the service configuration, and this abnormal path is a strong indicator of compromise.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The service is running
Why it's wrong here
Running is normal; suspicious is the location.
- ✗
The service name is misspelled
Why it's wrong here
It's the path that is suspicious, not the name.
- ✗
The service displays 'WindowsUpdate'
Why it's wrong here
Impersonating a legitimate name is suspicious, but the path is the key indicator.
- ✓
The binary path is not in a system directory
Why this is correct
Legitimate services normally run from system directories.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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