Detectionmediumtest

Potentially Suspicious Child Process Of ClickOnce Application

Detects potentially suspicious child processes of a ClickOnce deployment application

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Mon Jun 1267bc0e75-c0a9-4cfc-8754-84a505b63c04windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        ParentImage|contains: '\AppData\Local\Apps\2.0\'
        Image|endswith:
            # Add more suspicious processes
            - '\calc.exe'
            - '\cmd.exe'
            - '\cscript.exe'
            - '\explorer.exe'
            - '\mshta.exe'
            - '\net.exe'
            - '\net1.exe'
            - '\nltest.exe'
            - '\notepad.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\reg.exe'
            - '\regsvr32.exe'
            - '\rundll32.exe'
            - '\schtasks.exe'
            - '\werfault.exe'
            - '\wscript.exe'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
67bc0e75-c0a9-4cfc-8754-84a505b63c04
Status
test
Level
medium
Type
Detection
Created
Mon Jun 12
Path
rules/windows/process_creation/proc_creation_win_dfsvc_suspicious_child_processes.yml
Raw Tags
attack.executionattack.defense-evasion
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