Question Analysis
A suspicious file modification on a Linux device targeted the ~/.bash_profile file, apparently adding a new line. What was the full command string that was appended?
94500ae1-7e31-47e3-886b-c328da46872f
Question ID
5/16
Models Correct
1
Valid Answer
31%
Success Rate
Reference Answer
Human-validated correct answer for this question
echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004
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 | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0290 |
| 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 | 0.2337 |
| gpt-4.1 | echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004 | DeviceFileEvents
| where FileName == ".bash_profile"
| where FolderPath startswith "/home/" or FolderPath endswith "/.bash_profile"
| where ActionType in ("FileCreated", "FileModified", "FileWrite", "FileWritten")
| project TimeGenerated, DeviceName, InitiatingProcessAccountName, InitiatingProcessCommandLine, FolderPath, FileName, AdditionalFields
| extend AppendedContent = tostring(AdditionalFields.content_added)
| project TimeGenerated, DeviceName, InitiatingProcessAccountName, InitiatingProcessCommandLine, FolderPath, AppendedContent | Correct | 2 | 17.45s | 0.0233 |
| gpt-4.1-finetuned | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0334 |
| gpt-4.1-mini | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0075 |
| gpt-4.1-nano | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0015 |
| gpt-4o | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0634 |
| grok-3-beta | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0907 |
| grok-3-mini-beta | echo 'echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004' | DeviceFileEvents
| where FolderPath endswith '/.bash_profile' and ActionType in~ ('FileCreate', 'FileCreated', 'FileModify', 'FileModified')
| join kind=inner (DeviceInfo | where OSPlatform == 'Linux') on DeviceId
| project Timestamp, DeviceName, FolderPath, InitiatingProcessCommandLine
| order by Timestamp desc
| take 10 | Correct | 2 | 27.78s | 0.0032 |
| o1-high | sh -c 'echo 'echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004' >> ~/.bash_profile' | DeviceProcessEvents
| join kind=inner (
DeviceInfo
| where tolower(OSPlatform) == "linux"
) on DeviceId
| where tolower(ProcessCommandLine) has ".bash_profile"
// Filter for known shell appends like >>. You can broaden or adjust as needed.
// If you specifically suspect 'echo "content" >> ~/.bash_profile', you might do:
// where tolower(ProcessCommandLine) has " >> "
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine
| order by TimeGenerated desc | Correct | 3 | 98.27s | 0.7446 |
| o1-low | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.7346 |
| o3-mini-high | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0431 |
| o3-mini-low | No answer provided | No query generated | Incorrect | 5 | 0.00s | 0.0427 |
| o4-mini-high | sh -c 'echo 'echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004' >> ~/.bash_profile' | // 1. Identify all Linux devices
let LinuxDeviceIds = DeviceInfo
| where OSPlatform == "Linux"
| distinct DeviceId;
// 2. Find .bash_profile file events on Linux devices
DeviceFileEvents
| where DeviceId in (LinuxDeviceIds)
| where FileName == ".bash_profile"
| where ActionType in ("FileCreated", "FileModified", "FileOverwritten")
// 3. Filter for append operations
| where InitiatingProcessCommandLine has ">>" or InitiatingProcessCommandLine has "tee -a"
// 4. Project relevant details
| project TimeGenerated,
DeviceName,
FilePath = strcat(FolderPath, "/", FileName),
AppendingProcess = InitiatingProcessFileName,
AppendingCommandLine = InitiatingProcessCommandLine
// 5. Sort by time
| sort by TimeGenerated desc | Correct | 5 | 154.74s | 0.0492 |
| o4-mini-low | echo "Hello from Atomic Red Team T1546.004" > /tmp/T1546.004 | DeviceFileEvents
| where FileName == ".bash_profile"
| where ActionType in ("FileModified", "FileCreated")
| extend FullPath = strcat(FolderPath, "/", FileName)
| where FullPath endswith "/.bash_profile"
| project TimeGenerated, DeviceName, InitiatingUser = strcat(InitiatingProcessAccountName, "@", InitiatingProcessAccountDomain), InitiatingProcessFile = InitiatingProcessFileName, InitiatingProcessId, CommandLine = InitiatingProcessCommandLine
| sort by TimeGenerated desc | Correct | 2 | 72.81s | 0.0226 |