Quick Answer
The correct answer is to clear the system event log, as the command 'wevtutil cl system' is specifically designed to erase the System log on a Windows target. After successfully exploiting a system, an attacker uses this command to erase tracks of their activities, such as log entries generated by privilege escalation tools or remote access connections, effectively hindering forensic analysis. On the Certified Ethical Hacker CEH exam, this concept tests your understanding of post-exploitation anti-forensics techniques, often appearing in questions about covering tracks or log tampering. A common trap is confusing 'cl' with querying logs, but remember that 'cl' stands for 'clear log', not 'check log'. For a quick memory tip, think of "Clear Logs" as "Covering Leftovers"—the attacker wipes the System log to remove evidence of their intrusion.
This CEH practice question tests your understanding of enumeration and system hacking. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
After successfully exploiting a system, an attacker uses the command 'wevtutil cl system' on a Windows target. What is the MOST likely purpose of this command?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
To export event logs to a file
Why wrong: Exporting uses 'e' or 'export-log'.
To disable Windows event logging
Why wrong: Disabling logging requires different commands or Group Policy.
To clear the system event log
wevtutil cl system clears the system log.
To create a new event log entry
Why wrong: 'cl' is for clearing, not creating.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
To clear the system event log
The command 'wevtutil cl system' is used to clear the System event log on a Windows system. After successfully exploiting a target, an attacker would use this command to erase traces of their activities, such as log entries generated by their tools or actions, thereby hindering forensic analysis. The 'cl' parameter stands for 'clear log', and 'system' specifies the System log.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
To export event logs to a file
Why it's wrong here
Exporting uses 'e' or 'export-log'.
To disable Windows event logging
Why it's wrong here
Disabling logging requires different commands or Group Policy.
To clear the system event log
Why this is correct
wevtutil cl system clears the system log.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
To create a new event log entry
Why it's wrong here
'cl' is for clearing, not creating.
Common exam traps
The trap here is that candidates may confuse 'wevtutil cl' with exporting or disabling logs, but the 'cl' parameter specifically means 'clear', and the command is a common post-exploitation anti-forensics technique tested in CEH.
Trap categories for this question
Command / output trap
Disabling logging requires different commands or Group Policy.
Detailed technical explanation
The wevtutil.exe utility interacts with the Windows Event Log API, and the 'cl' command truncates the specified log file (e.g., %SystemRoot%\System32\winevt\Logs\System.evtx) by removing all records, though the file itself remains. In a real-world scenario, an attacker might clear the Security log as well (e.g., 'wevtutil cl security') to remove evidence of authentication failures or privilege escalation, but the System log often contains driver and service-related events that could reveal exploitation artifacts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CEH exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Enumeration and System Hacking — This question tests Enumeration and System Hacking — Read the scenario before looking for a memorised answer..
The correct answer is: To clear the system event log — The command 'wevtutil cl system' is used to clear the System event log on a Windows system. After successfully exploiting a target, an attacker would use this command to erase traces of their activities, such as log entries generated by their tools or actions, thereby hindering forensic analysis. The 'cl' parameter stands for 'clear log', and 'system' specifies the System log.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This CEH practice question is part of Courseiva's free EC-Council 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 CEH exam.
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