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Convert indexed Sigma rules into analyst-ready detections.

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CLI Versions

Newest: 2.0.2

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Active Rule

Renamed AutoIt Execution

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Renamed AutoIt Execution

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: Renamed AutoIt Execution
id: f4264e47-f522-4c38-a420-04525d5b880f
status: test
description: |
    Detects the execution of a renamed AutoIt2.exe or AutoIt3.exe.
    AutoIt is a scripting language and automation tool for Windows systems. While primarily used for legitimate automation tasks, it can be misused in cyber attacks.
    Attackers can leverage AutoIt to create and distribute malware, including keyloggers, spyware, and botnets. A renamed AutoIt executable is particularly suspicious.
references:
    - https://twitter.com/malmoeb/status/1665463817130725378?s=12&t=C0_T_re0wRP_NfKa27Xw9w
    - https://www.autoitscript.com/site/
author: Florian Roth (Nextron Systems)
date: 2023-06-04
modified: 2024-11-23
tags:
    - attack.defense-evasion
    - attack.t1027
logsource:
    category: process_creation
    product: windows
detection:
    selection_1:
        CommandLine|contains:
            - ' /AutoIt3ExecuteScript'
            - ' /ErrorStdOut'
    selection_2:
        Hashes|contains:
            - 'IMPHASH=FDC554B3A8683918D731685855683DDF'  # AutoIt v2 - doesn't cover all binaries
            - 'IMPHASH=CD30A61B60B3D60CECDB034C8C83C290'  # AutoIt v2 - doesn't cover all binaries
            - 'IMPHASH=F8A00C72F2D667D2EDBB234D0C0AE000'  # AutoIt v3 - doesn't cover all binaries
    selection_3:
        OriginalFileName:
            - 'AutoIt3.exe'
            - 'AutoIt2.exe'
            - 'AutoIt.exe'
    filter_main_legit_name:
        Image|endswith:
            - '\AutoIt.exe'
            - '\AutoIt2.exe'
            - '\AutoIt3_x64.exe'
            - '\AutoIt3.exe'
    condition: 1 of selection_* and not 1 of filter_main_*
falsepositives:
    - Unknown
level: high

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_renamed_autoit.yml