Question Analysis
On a Linux system, attackers may use timestamp manipulation to hide malicious changes. Investigate relevant logs to identify which file’s modification timestamp was altered by such a command.
20ef1523-8758-4898-b5a2-d026cc3d2c52
Question ID
7/16
Models Correct
1
Valid Answer
44%
Success Rate
Reference Answer
Human-validated correct answer for this question
T1070.006-modification.txt
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 | /etc/rc.local | DeviceFileEvents | where InitiatingProcessCommandLine contains "touch " | project Timestamp, DeviceName, FolderPath, FileName, InitiatingProcessCommandLine | Incorrect | 1 | 14.59s | 0.0068 |
| gpt-35-turbo | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0112 |
| gpt-4-turbo-2024-04-09 | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.2316 |
| gpt-4.1 | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| where ProcessCommandLine has "touch" and (ProcessCommandLine has "-t" or ProcessCommandLine has "-d" or ProcessCommandLine has "--date")
| extend TargetedFile = extract(@'touch\s+(?:-[td]|--date\s+[^ ]+)?\s*([^ ]+)', 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, InitiatingProcessAccountName, ProcessCommandLine, TargetedFile, FileName, FolderPath, ProcessId
| order by TimeGenerated desc | Correct | 4 | 26.69s | 0.0491 |
| gpt-4.1-finetuned | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0490 |
| gpt-4.1-mini | /etc/rc.local | DeviceFileEvents
| where ActionType has "FileTime changed" or ActionType has "File Modified" or InitiatingProcessCommandLine has "touch" or InitiatingProcessCommandLine has "date"
| project DeviceName, FileName, FolderPath, Timestamp, InitiatingProcessCommandLine
| sort by Timestamp desc | Incorrect | 2 | 20.47s | 0.0041 |
| gpt-4.1-nano | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0022 |
| gpt-4o | art-timer.timer | DeviceFileEvents
| where InitiatingProcessCommandLine has_any ("touch", "timestamp_modification", "modify")
| extend ModifiedTimestamp = tostring(parse_json(AdditionalFields).timestamp_changed)
| project FileName, FolderPath, PreviousFileName, PreviousFolderPath, ModifiedTimestamp, InitiatingProcessCommandLine, InitiatingProcessAccountName, TimeGenerated | Incorrect | 4 | 28.65s | 0.0609 |
| grok-3-beta | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| join kind=inner DeviceInfo on DeviceId
| where OSPlatform contains "Linux"
| where ProcessCommandLine has "touch" and (ProcessCommandLine has "-t" or ProcessCommandLine has "-r")
| project Timestamp, DeviceName, FileName, ProcessCommandLine, AccountName, DeviceId
| order by Timestamp desc
| limit 50 | Correct | 3 | 20.08s | 0.0574 |
| grok-3-mini-beta | /etc/systemd/system/art-timer.timer | DeviceInfo
| where OSPlatform == 'Linux'
| join kind=inner (DeviceFileEvents) on DeviceId
| where InitiatingProcessCommandLine contains 'touch' or InitiatingProcessCommandLine contains 'date -s' or InitiatingProcessCommandLine contains 'utimensat'
| project DeviceName, FileName, FolderPath, InitiatingProcessCommandLine, Timestamp
| summarize FilesAltered=make_set(FileName), LastTimestamp=max(Timestamp) by DeviceName, FolderPath
| order by LastTimestamp desc | Incorrect | 2 | 23.28s | 0.0031 |
| o1-high | /tmp/T1070.006-modification.txt | DeviceInfo
| where OSPlatform == "Linux"
| distinct DeviceId
| join kind=inner (
DeviceProcessEvents
| where ActionType == "ProcessCreated"
| where InitiatingProcessCommandLine has "touch"
| where InitiatingProcessCommandLine matches regex @"touch\s+.*(-a|-c|-m|-r|-t|--date).*"
| extend ModifiedFile = extract(@"touch\s+(\S+)", 1, InitiatingProcessCommandLine)
| project TimeGenerated, DeviceId, DeviceName, AccountName, InitiatingProcessCommandLine, ModifiedFile
) on DeviceId
| order by TimeGenerated desc | Correct | 2 | 58.62s | 0.6487 |
| o1-low | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| where Timestamp >= ago(7d)
| join kind=inner (
DeviceInfo
| where Timestamp >= ago(7d)
| where OSPlatform == "Linux"
| distinct DeviceId
) on DeviceId
| where ProcessCommandLine has "touch"
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, FolderPath, FileName
| order by TimeGenerated desc | Correct | 1 | 40.30s | 0.4528 |
| o3-mini-high | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| where InitiatingProcessCommandLine contains "touch"
| project TimeGenerated, DeviceName, FolderPath, FileName, InitiatingProcessCommandLine
| order by TimeGenerated desc | Correct | 1 | 14.89s | 0.0283 |
| o3-mini-low | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| where InitiatingProcessCommandLine has "touch"
| project TimeGenerated, DeviceName, InitiatingProcessCommandLine, FileName, FolderPath
| order by TimeGenerated desc | Correct | 1 | 22.82s | 0.0248 |
| o4-mini-high | /tmp/T1070.006-modification.txt | DeviceProcessEvents
| where FileName == "touch"
// split the command line into tokens
| extend args = split(ProcessCommandLine, " ")
// calculate the index of the last element
| extend idx = array_length(args) - 1
// extract the target file path (last token)
| extend TargetFile = tostring(args[idx])
// select the fields of interest
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, TargetFile | Correct | 1 | 36.12s | 0.0163 |
| o4-mini-low | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0472 |