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

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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

BITS Transfer Job Downloading File Potential Suspicious Extension

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

BITS Transfer Job Downloading File Potential Suspicious Extension

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: BITS Transfer Job Downloading File Potential Suspicious Extension
id: b85e5894-9b19-4d86-8c87-a2f3b81f0521
status: test
description: Detects new BITS transfer job saving local files with potential suspicious extensions
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1197/T1197.md
author: frack113
date: 2022-03-01
modified: 2023-03-27
tags:
    - attack.defense-evasion
    - attack.persistence
    - attack.t1197
logsource:
    product: windows
    service: bits-client
detection:
    selection:
        EventID: 16403
        LocalName|endswith:
            # TODO: Extend this list with more interesting file extensions
            - '.bat'
            - '.dll'
            - '.exe' # TODO: Might wanna comment this if it generates tons of FPs
            - '.hta'
            - '.ps1'
            - '.psd1'
            - '.sh'
            - '.vbe'
            - '.vbs'
    filter_optional_generic:
        # Typical updates: Chrome, Dropbox etc.
        LocalName|contains: '\AppData\'
        RemoteName|contains: '.com'
    condition: selection and not 1 of filter_optional_*
falsepositives:
    - While the file extensions in question can be suspicious at times. It's best to add filters according to your environment to avoid large amount false positives
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/bits_client/win_bits_client_new_transfer_saving_susp_extensions.yml