Detectionmediumtest

Windows Terminal Profile Settings Modification By Uncommon Process

Detects the creation or modification of the Windows Terminal Profile settings file "settings.json" by an uncommon process.

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Launch
François Hubaut, Nasreddine Bencherchali (Nextron Systems)Created Sat Jul 229b64de98-9db3-4033-bd7a-f51430105f00windows
Log Source
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event

Events for file system activity including creation, modification, and deletion.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        Image|endswith:
            # Note: Add other potential common applications
            - '\cmd.exe'
            - '\cscript.exe'
            - '\mshta.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\wscript.exe'
        TargetFilename|endswith: '\AppData\Local\Packages\Microsoft.WindowsTerminal_8wekyb3d8bbwe\LocalState\settings.json'
    condition: selection
False Positives

Some false positives may occur with admin scripts that set WT settings.

Rule Metadata
Rule ID
9b64de98-9db3-4033-bd7a-f51430105f00
Status
test
Level
medium
Type
Detection
Created
Sat Jul 22
Path
rules/windows/file/file_event/file_event_win_susp_windows_terminal_profile.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.t1547.015
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