Phoenix Studio

Convert indexed Sigma rules into analyst-ready detections.

This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.

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Indexed Rules

3,707

Ready to search

Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

CodePage Modification Via MODE.COM

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

CodePage Modification Via MODE.COM

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: CodePage Modification Via MODE.COM
id: d48c5ffa-3b02-4c0f-9a9e-3c275650dd0e
related:
    - id: 12fbff88-16b5-4b42-9754-cd001a789fb3
      type: derived
status: test
description: |
    Detects a CodePage modification using the "mode.com" utility.
    This behavior has been used by threat actors behind Dharma ransomware.
references:
    - https://learn.microsoft.com/en-us/windows/win32/intl/code-page-identifiers
    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/mode
    - https://strontic.github.io/xcyclopedia/library/mode.com-59D1ED51ACB8C3D50F1306FD75F20E99.html
    - https://www.virustotal.com/gui/file/5e75ef02517afd6e8ba6462b19217dc4a5a574abb33d10eb0f2bab49d8d48c22/behavior
author: Nasreddine Bencherchali (Nextron Systems), Joseliyo Sanchez, @Joseliyo_Jstnk
date: 2024-01-19
tags:
    - attack.defense-evasion
    - attack.t1036
    - detection.threat-hunting
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\mode.com'
        - OriginalFileName: 'MODE.COM'
    selection_cli:
        CommandLine|contains|all:
            - ' con '
            - ' cp '
            - ' select='
    condition: all of selection_*
falsepositives:
    - Unknown
level: low

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules-threat-hunting/windows/process_creation/proc_creation_win_mode_codepage_change.yml