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Convert indexed Sigma rules into analyst-ready detections.

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Indexed Rules

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Backends

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CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

Potentially Suspicious Child Process of KeyScrambler.exe

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Potentially Suspicious Child Process of KeyScrambler.exe

Using Splunk · Default · sigma-cli 2.0.2

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.2

title: Potentially Suspicious Child Process of KeyScrambler.exe
id: ca5583e9-8f80-46ac-ab91-7f314d13b984
related:
    - id: d2451be2-b582-4e15-8701-4196ac180260
      type: similar
status: test
description: Detects potentially suspicious child processes of KeyScrambler.exe
references:
    - https://twitter.com/DTCERT/status/1712785421845790799
author: Swachchhanda Shrawan Poudel
date: 2024-05-13
tags:
    - attack.persistence
    - attack.execution
    - attack.defense-evasion
    - attack.privilege-escalation
    - attack.t1203
    - attack.t1574.001
logsource:
    category: process_creation
    product: windows
detection:
    selection_parent:
        ParentImage|endswith: '\KeyScrambler.exe'
    selection_binaries:
        # Note: add additional binaries that the attacker might use
        - Image|endswith:
              - '\cmd.exe'
              - '\cscript.exe'
              - '\mshta.exe'
              - '\powershell.exe'
              - '\pwsh.exe'
              - '\regsvr32.exe'
              - '\rundll32.exe'
              - '\wscript.exe'
        - OriginalFileName:
              - 'Cmd.Exe'
              - 'cscript.exe'
              - 'mshta.exe'
              - 'PowerShell.EXE'
              - 'pwsh.dll'
              - 'regsvr32.exe'
              - 'RUNDLL32.EXE'
              - 'wscript.exe'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_keyscrambler_susp_child_process.yml