Question Analysis
A suspicious actor appears to have removed the USN change journal on a Windows workstation. Investigate process start records to find out exactly which command was used to delete the journal. What was the full command line invoked?
b4115c7a-0e92-47f0-a61e-17e7218b2435
Question ID
13/16
Models Correct
1
Valid Answer
81%
Success Rate
Reference Answer
Human-validated correct answer for this question
fsutil usn deletejournal /D C:\\
Model Performance Comparison
See how different AI models performed on this question
| Model | Answer | KQL Query | Status | Attempts | Time | Cost |
|---|---|---|---|---|---|---|
| gemini-2.5-flash-preview-04-17 | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ActionType == "ProcessCreated"
| where ProcessCommandLine contains "fsutil usn deletejournal"
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine
| order by TimeGenerated asc | Correct | 1 | 10.54s | 0.0045 |
| gpt-35-turbo | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0110 |
| gpt-4-turbo-2024-04-09 | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ActionType == 'ProcessCreated'
| where InitiatingProcessCommandLine has 'fsutil' and InitiatingProcessCommandLine has 'usn' and InitiatingProcessCommandLine has 'deletejournal'
| project DeviceName, InitiatingProcessCommandLine, ProcessCreationTime | Correct | 3 | 22.02s | 0.1429 |
| gpt-4.1 | fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ProcessCommandLine has_any ("usn deletejournal", "fsutil usn deletejournal")
| project TimeGenerated, DeviceName, AccountName, FileName, ProcessCommandLine, InitiatingProcessAccountName, InitiatingProcessCommandLine | Correct | 1 | 5.80s | 0.0121 |
| gpt-4.1-finetuned | fsutil usn deletejournal /D C: | DeviceProcessEvents // Use DeviceProcessEvents for process-level details
| where ProcessCommandLine contains "usn" and ProcessCommandLine contains "deletejournal"
| project TimeGenerated, DeviceName, InitiatingProcessAccountName, ProcessCommandLine, ActionType, FolderPath
| order by TimeGenerated desc
| take 1 // Ensure you only get the most recent event | Correct | 4 | 14.93s | 0.0305 |
| gpt-4.1-mini | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ProcessCommandLine has_any ("fsutil usn deletejournal", "fsutil usn delete", "$UsnJrnl")
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, ProcessCreationTime
| order by TimeGenerated desc | Correct | 1 | 3.49s | 0.0023 |
| gpt-4.1-nano | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0013 |
| gpt-4o | fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ActionType =~ "ProcessCreated" and (ProcessCommandLine contains "delete" and ProcessCommandLine contains "USN" and ProcessCommandLine contains "journal")
| project DeviceName, ProcessCommandLine, InitiatingProcessCommandLine, InitiatingProcessFileName, InitiatingProcessId, InitiatingProcessCreationTime, InitiatingProcessAccountName, InitiatingProcessAccountDomain
| limit 100 | Correct | 5 | 30.24s | 0.0694 |
| grok-3-beta | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ProcessCommandLine contains "fsutil" and ProcessCommandLine contains "deletejournal"
| project Timestamp, DeviceName, AccountName, ProcessCommandLine
| order by Timestamp desc | Correct | 1 | 8.38s | 0.0207 |
| grok-3-mini-beta | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ProcessCommandLine contains "fsutil" and ProcessCommandLine contains "usn" and ProcessCommandLine contains "deletejournal"
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine
| order by TimeGenerated desc
| limit 10 | Correct | 1 | 11.21s | 0.0016 |
| o1-high | fsutil usn deletejournal /D C: | union DeviceProcessEvents, DeviceEvents
| where ActionType in~ ("CreateProcess","ProcessCreated")
| where isnotempty(ProcessCommandLine) or isnotempty(InitiatingProcessCommandLine)
| where (ProcessCommandLine has "fsutil" or InitiatingProcessCommandLine has "fsutil")
and ((ProcessCommandLine has_any ("usn", "deletejournal") or InitiatingProcessCommandLine has_any ("usn", "deletejournal")))
| project TimeGenerated, DeviceName, AccountName, FileName, ProcessCommandLine, InitiatingProcessCommandLine
| order by TimeGenerated desc | Correct | 3 | 99.25s | 0.7405 |
| o1-low | fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ProcessCommandLine has_any ("deletejournal", "usn")
| project TimeGenerated, DeviceName, AccountName, FileName, ProcessCommandLine, FolderPath, InitiatingProcessCommandLine, InitiatingProcessAccountName, InitiatingProcessFileName
| order by TimeGenerated desc | Correct | 1 | 60.66s | 0.3655 |
| o3-mini-high | cmd.exe /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where InitiatingProcessCommandLine has_cs "fsutil" and InitiatingProcessCommandLine has_cs "deletejournal"
| project TimeGenerated, DeviceName, InitiatingProcessCommandLine
| sort by TimeGenerated asc | Correct | 1 | 17.47s | 0.0079 |
| o3-mini-low | "cmd.exe" /c fsutil usn deletejournal /D C: | DeviceProcessEvents
| where InitiatingProcessCommandLine contains "fsutil" and InitiatingProcessCommandLine contains "deleteJournal"
| project TimeGenerated, DeviceName, InitiatingProcessCommandLine
| sort by TimeGenerated asc | Correct | 1 | 49.38s | 0.0098 |
| o4-mini-high | fsutil usn deletejournal /D C: | DeviceProcessEvents
| where ActionType == "ProcessCreated"
// Look specifically for the fsutil usn deletejournal command
| where tolower(FileName) == "fsutil.exe"
and tolower(ProcessCommandLine) contains "usn"
and tolower(ProcessCommandLine) contains "deletejournal"
// Show the relevant details including the full command line
| project TimeGenerated, DeviceName, AccountName, ProcessId, ProcessCommandLine
| sort by TimeGenerated asc | Correct | 2 | 44.55s | 0.0174 |
| o4-mini-low | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0332 |